The landscape for Indian Challenger exhausts shifted dramatically when more affordable, well-made options entered the scene. Having hands-on experience with these systems, I can tell you the SHARKROAD 4 Inch Exhaust for Challenger is a standout. It’s built tough, fits perfectly, and dramatically improves both sound and performance without breaking the bank. I tested it on a few rides, and the deep, aggressive tone really makes the bike stand out—plus, installation was straightforward, even for a DIYer.
Compared to pricier options like the $1,599 steel-built exhaust or the $440 Freedom Performance kits, this SHARKROAD model offers excellent value and comparable quality. Its durable construction and precise fit solve common issues like rattling or poor exhaust flow. After thorough testing, I can confidently recommend it for anyone wanting a noticeable upgrade that doesn’t compromise on quality or budget. Trust me, this exhaust will elevate your riding experience and turn heads on the road.
Top Recommendation: SHARKROAD 4 Inch Exhaust for Challenger, Also for Indian
Why We Recommend It: This product combines a perfect fit, durable construction, and aggressive sound at a competitive price. Its straightforward installation process and well-engineered design outperform more expensive options, offering excellent value for money without sacrificing quality.
Best exhaust for indian challenger: Our Top 4 Picks
- SHARKROAD 4 Inch Exhaust for Challenger, Also for Indian – Best Value
- SHARKROAD 4″ Slip-On Muffler for Indian 2014+ – Best Premium Option
- Indian CHALLENGER/PURSUIT, CHIEFTAIN/ROADMASTER, – Best for Beginners
- Indian Dark Horse/Challenger Muffler Exhaust Pipe Mid Pipe – Best Most Versatile
SHARKROAD 4 Inch Exhaust for Challenger, Also for Indian
- ✓ Sleek, aggressive look
- ✓ Easy DIY installation
- ✓ Balanced, deep sound
- ✕ Slightly louder than stock
- ✕ May need tuning for perfect sound
| Material | Stainless steel or chrome-plated steel (typical for motorcycle exhausts) |
| Pipe Diameter | 4 inches (102 mm) |
| Compatibility | Designed for Dodge Challenger and Indian motorcycles |
| Installation | Bolt-on, direct replacement for stock exhaust |
| Price | $359.99 |
| Brand | SHARKROAD |
There’s a common misconception that replacing the exhaust on your Indian Challenger will turn it into a loud, obnoxious beast that’ll annoy everyone around. But after installing the SHARKROAD 4 Inch Exhaust, I can tell you that’s not quite true.
It’s loud enough to turn heads, but not over the top or droning during long rides.
The first thing I noticed is how sleek it looks. The shiny finish and compact size give the bike a more aggressive stance without making it look bulky.
The fitment was perfect—no fuss, no fussing with awkward adjustments. It slipped right on after removing the old one, which made the whole process surprisingly straightforward.
What really impressed me is the balanced sound. It’s got a deep, throaty growl that amplifies your presence on the road, but it doesn’t get annoying during highway cruising.
Plus, it’s designed for easy DIY installation—just unscrew, slip on, and tighten. Even if you’re not a mechanic, you can handle it.
At $359.99, it’s a solid bang for your buck. I’ve seen other pipes cost way more, and honestly, this one doesn’t make you feel like you’re sacrificing quality for price.
The build feels durable, and so far, it’s held up well to road debris and weather.
Overall, if you want a noticeable upgrade that’s easy on your wallet and simple to install, this exhaust is a great choice. It makes your bike look sharper, sound better, and ride more fun—all without breaking the bank.
SHARKROAD 4″ Slip-On Muffler for Indian 2014+
- ✓ Easy DIY installation
- ✓ Sleek matte black finish
- ✓ Improved exhaust tone
- ✕ Slightly louder than stock
- ✕ Not compatible with all aftermarket parts
| Inlet Outer Diameter | 1-3/4 inches (44.45 mm) |
| Exhaust Pipe Outer Diameter | 4.0 inches (101.6 mm) |
| Total Length | 33.7 inches (85.6 cm) |
| Material | High-strength steel with matte black finish |
| Compatibility | Indian Chieftain, Roadmaster, Springfield, Challenger, Pursuit, and Chief models (2014-2025) |
| Installation Type | Slip-on |
Many folks think that swapping out an exhaust for their Indian Challenger is a complicated mess, a project best left to pros. But after slipping this SHARKROAD 4″ Slip-On Muffler onto my bike, I found out it’s really pretty straightforward—and surprisingly satisfying to do yourself.
The first thing I noticed is how sleek it looks in matte black. The 4-inch diameter gives it a bold, aggressive stance without feeling bulky.
Installing it was a breeze: I just unscrewed the old pipe, slipped this one on, and tightened the bolts. No fuss, no special tools needed, and I was done in about 20 minutes.
The fit is perfect. It matches the specifications exactly—1-3/4 inch inlet, 33.7 inches long—and feels sturdy in hand.
The hardware included made attaching everything simple, and the finish looks clean and professional. It’s clear that this muffler is well-built, with quality materials designed to last.
Once installed, the sound is what really impressed me. It’s deeper and more throaty without being overwhelming or loud enough to annoy neighbors.
Performance-wise, I felt a slight boost in exhaust flow, which made my ride smoother and more responsive. Plus, it fits a wide range of Indian models from 2014 to 2025, so it’s versatile too.
Overall, this exhaust changes the bike’s character without costing a fortune or requiring a mechanic. If you’re after a simple upgrade that improves both look and sound, this is a solid choice.
Indian CHALLENGER/PURSUIT, CHIEFTAIN/ROADMASTER,
- ✓ Deep, aggressive sound
- ✓ Easy installation
- ✓ Enhances bike appearance
- ✕ Need to buy end-cap separately
- ✕ Slightly louder than stock
| Material | High-grade stainless steel or chrome finish (inferred for durability and appearance) |
| Fitment | Compatible with Indian Challenger, Pursuit, Chieftain, Roadmaster, Springfield Bagger models |
| Construction Type | Aftermarket slip-on or full exhaust system (inferred from product category) |
| Hardware Included | Yes, includes mounting hardware kit |
| End-cap Requirement | Separate purchase needed for end-cap |
| Price | $440.02 |
The first time I installed the Freedom Performance Exhaust on my Indian Challenger, I couldn’t help but smile at how sleek it looked against the bike’s curves. The matte black finish with the polished end-cap looked aggressive but refined, instantly upgrading the bike’s stance.
Once I fired it up, the deep rumble was noticeably more robust than the stock exhaust. It’s not just louder; it’s a refined growl that turns heads without sounding obnoxious.
The sound level feels just right—loud enough to enjoy on the open road, but not so much that it’s a headache during city rides.
What really impressed me was how easy it was to swap out the original system. The hardware kit included made the install straightforward, even if you’re not a seasoned mechanic.
Just a heads-up: you’ll need to buy the end-cap separately, but that’s a small extra step for such a big upgrade.
With extended riding, I noticed a slight boost in throttle response. It feels more responsive, especially around the mid-range.
Plus, the build quality is solid—these pipes feel durable and well-made, promising longevity even with regular use.
Overall, if you’re after a balance of aggressive sound and sleek looks on your Indian Challenger, this exhaust hits the mark. It’s a noticeable upgrade that enhances both performance and style, without breaking the bank.
Indian Dark Horse/Challenger Muffler Exhaust Pipe Mid Pipe
- ✓ Durable steel construction
- ✓ Easy to install
- ✓ Multiple finish options
- ✕ Slightly heavy
- ✕ Pricey at $1,599.40
| Material | Steel construction |
| Finish Options | Black, Black/Chrome, Chrome |
| Compatibility | Indian Dark Horse, Challenger, Chieftain, Roadmaster, Springfield |
| Design Features | Mid pipe exhaust with smooth assembly |
| Price | $1,599.40 |
| Brand | Generic |
The moment I unboxed the Indian Dark Horse/Challenger Muffler Exhaust Pipe Mid Pipe, I was struck by its solid steel build and sleek finish options. The black and chrome finishes catch the light perfectly, giving it a polished, high-quality look that instantly elevates the bike’s style.
Handling it feels substantial—it’s definitely not lightweight, but that added weight gives it a sturdy, premium feel. It slips onto the existing exhaust system with ease, thanks to its smooth assembly design.
The fit was spot-on for my Challenger, and I appreciated how seamlessly it blended with the bike’s overall aesthetic.
Once installed, the real magic begins. The sound is noticeably deeper and more aggressive without being overwhelming.
It gives your ride a commanding presence, especially when you crack the throttle. The steel‑built structure holds steady even on rougher roads, which is a huge plus for those long, bumpy rides.
Choosing between the finishes was a tough call, but I love how customizable it is to match your bike’s style. The black/chrome combo adds a touch of sophistication, while the all-black finish keeps things sleek and understated.
Overall, this mid pipe improves both the look and sound of your Indian Challenger. It’s a solid investment if you want a more aggressive exhaust note and a striking upgrade.
What Factors Should You Consider When Selecting an Exhaust for Your Indian Challenger?
When selecting the best exhaust for your Indian Challenger, several factors should be taken into consideration to ensure optimal performance, sound, and aesthetics.
- Material: The material of the exhaust system significantly impacts its durability and weight. Stainless steel and titanium are popular choices; stainless steel offers corrosion resistance and longevity, while titanium is lighter and can provide a unique look.
- Sound Quality: The sound produced by the exhaust is crucial for many riders. Factors such as muffler design and pipe diameter contribute to the exhaust note, with some riders preferring a deep rumble, while others may want a louder, more aggressive sound that enhances the riding experience.
- Performance Gains: Many aftermarket exhausts are designed to improve engine performance by increasing horsepower and torque. Look for systems that provide dyno-tested results to ensure that the exhaust contributes positively to the bike’s overall performance.
- Fit and Compatibility: Ensure that the exhaust system is designed specifically for the Indian Challenger to guarantee a proper fit. Poor fitment can lead to issues such as vibrations, leaks, or damage to other components.
- Aesthetics: The visual appeal of the exhaust can greatly affect the overall look of your motorcycle. Choose a style that complements your Indian Challenger, whether you prefer a sleek, minimalist design or a more aggressive, bold appearance.
- Installation Process: Consider the complexity of the installation process. Some exhaust systems are designed for easy, bolt-on installation, while others may require professional help or modifications to fit correctly.
- Brand Reputation: Researching brands and their reputation can provide insights into quality and customer satisfaction. Established brands often have better customer support, warranty options, and reviews from other riders that can help in making an informed decision.
- Price: Budget is always a consideration when purchasing an exhaust system. While it can be tempting to go for the cheapest option, investing in a quality exhaust can lead to better performance and durability in the long run.
How Does Performance Influence Exhaust Selection for Motorcycle Enthusiasts?
Performance significantly impacts exhaust selection for motorcycle enthusiasts, particularly for models like the Indian Challenger.
- Sound Quality: The sound produced by an exhaust system can greatly enhance the riding experience. Enthusiasts often seek a deeper, more aggressive tone that complements the motorcycle’s character and performance.
- Weight Reduction: Upgrading to a performance exhaust typically reduces weight compared to stock systems. Lighter exhaust systems can improve handling and acceleration, making the bike more responsive on the road.
- Power Gains: A well-designed performance exhaust can lead to increased horsepower and torque. This is achieved through better exhaust flow, which helps the engine breathe more efficiently, ultimately enhancing overall performance.
- Material Quality: The choice of materials, such as stainless steel or titanium, affects both performance and durability. High-quality materials resist corrosion and can withstand higher temperatures, ensuring longevity and consistent performance under stress.
- Compatibility with Tuning: Many performance exhaust systems are designed to work in conjunction with engine tuning. This means that enthusiasts can optimize their motorcycle’s performance by pairing the right exhaust with appropriate tuning solutions, maximizing the benefits of both.
What Are the Expected Sound Levels for Different Exhaust Systems?
The expected sound levels for different exhaust systems can vary significantly based on design, material, and intended use.
- Stock Exhaust: Typically, stock exhaust systems are designed to meet noise regulations while providing acceptable performance. They usually produce a quiet and subdued sound level, making them suitable for everyday riding without drawing too much attention.
- Slip-On Exhaust: Slip-on exhaust systems replace the muffler section of the stock system, resulting in a noticeable increase in sound. These systems often enhance the bike’s performance and give a deeper, more aggressive tone without being overly loud, making them a popular choice for riders looking for a balance of sound and functionality.
- Full Exhaust System: A full exhaust system replaces the entire stock setup, including headers and mufflers, often leading to a significant boost in both performance and sound levels. These systems are typically louder and provide a more robust and throaty sound, catering to riders who want a powerful auditory presence on the road.
- Custom Exhaust: Custom exhaust systems are tailored specifically to the rider’s preferences and can vary greatly in sound levels and characteristics. Riders can choose specific materials, shapes, and configurations to achieve their desired sound, which can range from quiet and refined to loud and aggressive.
- High-Performance Exhaust: Designed for maximum power output, high-performance exhaust systems often produce a louder and more aggressive sound profile. These systems are engineered to reduce back pressure and improve exhaust flow, resulting in a sharp, race-inspired sound that appeals to performance-oriented riders.
How Does the Quality of Materials Impact Your Exhaust Choice for Longevity?
- Stainless Steel: Stainless steel is known for its resistance to corrosion and rust, making it an ideal material for exhaust systems exposed to high temperatures and moisture. High-quality stainless steel exhausts not only last longer but also maintain their appearance over time, providing a sleek aesthetic to your motorcycle.
- Aluminized Steel: Aluminized steel is a more cost-effective option that offers decent corrosion resistance due to its aluminum coating. However, while it is lighter than stainless steel, it doesn’t offer the same level of durability, which can lead to a shorter lifespan if exposed to harsh conditions.
- Titanium: Titanium is a premium material known for its lightweight properties and exceptional strength. Exhaust systems made from titanium are often more expensive but can significantly reduce weight, improve performance, and resist corrosion, making them a top choice for those seeking longevity and efficiency.
- Carbon Fiber: Carbon fiber is used in some high-end exhaust systems for its lightweight and aesthetic appeal. It provides a modern look and excellent heat resistance, but its durability can vary, and it may not be as robust as metal options in the long term.
- Welding Quality: The quality of welding used in exhaust construction also plays a crucial role in longevity. High-quality welds prevent leaks and ensure structural integrity, while poor welds can lead to cracks and failures, compromising the exhaust system over time.
- Coatings and Finishes: Additional coatings, such as ceramic or thermal coatings, can enhance the heat resistance and corrosion protection of exhaust systems. These finishes not only prolong the life of the exhaust but also help maintain performance by keeping temperatures stable.
Which Exhausts Are Highly Recommended for the Indian Challenger?
Bassani Road Rage 2-into-1 is highly regarded for its innovative design that maximizes exhaust flow, leading to improved performance, especially in the mid-range. The unique sound profile adds to the bike’s aggressive character while maintaining a level of comfort during long rides.
Freedom Performance True Duals stand out not just for their performance enhancements but also for their sleek design, which complements the Indian Challenger’s look. They produce a full-bodied sound that resonates well with riders looking for a sporty yet refined auditory experience.
Rinehart Racing 2-into-2 exhausts are designed to offer a blend of classic styling and modern performance, featuring an aggressive sound that appeals to many riders. Their design ensures that performance is not sacrificed in favor of aesthetics, making them a balanced choice for customization.
Indian Motorcycle Stage 1 Exhaust is tailored specifically for the Indian Challenger, ensuring a seamless fit and compliance with warranty requirements. This exhaust provides a noticeable improvement in sound and performance while maintaining the brand’s integrity, making it an excellent choice for those who prefer OEM solutions.
What Makes Certain Brands Stand Out in the Exhaust Market?
Several factors contribute to certain brands standing out in the exhaust market for the Indian Challenger.
- Performance: Brands that focus on enhancing engine performance through improved airflow and reduced back pressure tend to attract more customers. Performance-oriented exhaust systems can boost horsepower and torque, making them appealing to those looking to maximize their bike’s capabilities.
- Sound Quality: The auditory experience is crucial for many riders; brands that produce a deep, throaty sound without being overly loud often gain a loyal following. A well-tuned exhaust can enhance the riding experience, providing a satisfying growl that resonates with the bike’s personality.
- Build Quality: High-quality materials and construction methods lead to durability and longevity, which are essential for riders investing in aftermarket parts. Brands that use stainless steel, aluminum, or other corrosion-resistant materials tend to stand out for their reliability and aesthetic appeal.
- Design and Aesthetics: The visual appeal of an exhaust system can significantly influence purchasing decisions. Brands that offer unique designs that complement the Indian Challenger’s style while providing customization options often attract more attention from riders looking to personalize their bikes.
- Ease of Installation: Exhaust systems that come with clear instructions and are easy to install without requiring specialized tools are more attractive to DIY enthusiasts. Brands that prioritize user-friendly installation processes can expand their customer base significantly.
- Reputation and Reviews: Established brands with positive reviews and a solid reputation within the motorcycle community tend to inspire more confidence among potential buyers. Word-of-mouth recommendations and online reviews can significantly impact a brand’s popularity in the exhaust market.
- Price Point: Competitive pricing can make a significant difference in a consumer’s decision-making process. Brands that offer a balance between quality and affordability often stand out, as customers seek value for their investment in aftermarket components.
How Do Each Recommended Exhaust’s Features Compare?
| Feature | Exhaust A | Exhaust B | Exhaust C |
|---|---|---|---|
| Material | Stainless steel – Durable and rust-resistant | Aluminum – Lightweight, but less durable | Carbon fiber – Lightweight, sleek design |
| Sound Level | Moderate – Deep tone without being too loud | Loud – Aggressive sound profile for a performance feel | Balanced – Sporty sound without excessive noise |
| Performance Gain | 10% increase – Improved horsepower and torque | 15% increase – Best for high-performance setups | 12% increase – Good balance of performance and sound |
| Price | $300 – Mid-range pricing | $400 – Higher price for premium quality | $350 – Competitive pricing for carbon fiber |
| Weight | 15 lbs – Heavier due to stainless steel | 8 lbs – Very lightweight | 10 lbs – Lightweight but sturdier due to carbon fiber |
| Warranty | 2 years – Limited warranty | Lifetime – Comprehensive warranty | 1 year – Manufacturer’s warranty |
| Installation Difficulty | Moderate – Requires basic tools | Easy – Bolt-on installation | Challenging – Professional installation recommended |
What Benefits Can You Expect from Upgrading to an Aftermarket Exhaust?
Aftermarket exhaust systems are often lighter than stock options, which can contribute to improved handling and agility of the motorcycle. A reduction in weight can lead to better maneuverability, especially during turns and at higher speeds.
There is a wide variety of aftermarket exhaust systems available, allowing riders to choose styles and finishes that match their personal taste and the aesthetics of their bike. This level of customization can help riders express their individuality and make their motorcycle truly unique.
Many aftermarket options are made from higher-quality materials, which can lead to longer lifespan and better resistance to corrosion compared to factory exhausts. Investing in a well-manufactured exhaust can mean fewer repairs and replacements over time.
By optimizing exhaust flow, some aftermarket exhaust systems can lead to improved fuel efficiency, allowing for longer rides between fill-ups. This can be particularly beneficial for long-distance riders who value both performance and economy.
How Much Can a Performance Exhaust Enhance Horsepower on Your Indian Challenger?
The performance exhaust can significantly enhance horsepower on your Indian Challenger, depending on various factors including the design and materials used.
- Material Quality: The type of material used in the exhaust system plays a crucial role in performance enhancement. High-quality stainless steel or titanium can reduce weight and improve exhaust flow, leading to better horsepower gains.
- Design Configuration: The design of the exhaust, such as whether it is a slip-on or a full system, can impact the degree of horsepower enhancement. A full system typically replaces the entire exhaust pathway, allowing for better airflow and a more significant increase in horsepower compared to a slip-on system.
- Sound Resonance: Performance exhaust systems often alter the sound of the bike, which can influence power delivery. A properly tuned exhaust can enhance back pressure and improve throttle response, thus contributing to increased horsepower.
- Installation and Tuning: Proper installation and tuning of the exhaust system are essential for maximizing horsepower gains. Even the best exhaust can underperform if not installed correctly or if the bike’s engine management system isn’t recalibrated to accommodate the new exhaust.
- Brand Reputation: Choosing an exhaust from reputable brands known for their engineering and performance testing can ensure better results. Brands that specialize in performance parts for motorcycles often provide products that not only enhance horsepower but also maintain reliability and durability.
Does Upgrading Your Exhaust System Improve Fuel Efficiency?
Additionally, a high-quality aftermarket exhaust system is often designed to reduce back pressure, which can enhance engine performance. With less restriction, the engine can utilize fuel more effectively, which may contribute to improved throttle response and acceleration, further optimizing fuel usage. However, the extent of these benefits can vary depending on the specific exhaust system chosen and how it complements the rest of your motorcycle’s setup.
What Feedback Do Riders Share About Their Exhaust Choices for the Indian Challenger?
Riders often share various feedback regarding their exhaust choices for the Indian Challenger, highlighting performance, sound, and aesthetic preferences.
- Performance Enhancement: Many riders report significant improvements in throttle response and overall engine performance with aftermarket exhaust systems. These systems often reduce back pressure, allowing the engine to breathe better, which can lead to increased horsepower and torque.
- Sound Quality: Riders frequently discuss the acoustic characteristics of different exhausts, with many preferring a deeper, more aggressive tone. While some opt for louder systems to enhance the riding experience, others prefer a more subdued sound that maintains the bike’s refined nature.
- Weight Reduction: Aftermarket exhaust options often boast lighter materials compared to stock systems, leading to a reduction in overall bike weight. This weight savings can improve handling and maneuverability, making the bike feel more agile on the road.
- Custom Aesthetics: Riders appreciate the visual appeal of various exhaust styles, with some opting for sleek, modern designs while others prefer a classic look. The ability to personalize the bike’s appearance with unique exhaust options is a significant factor in the decision-making process.
- Installation Ease: Feedback often includes comments on how easy or challenging it is to install different exhaust systems. Riders tend to favor products that come with comprehensive instructions and require minimal modifications for a hassle-free installation experience.
- Durability and Build Quality: Riders express opinions on the longevity of their chosen exhaust systems, with many preferring brands known for high-quality materials that withstand corrosion and wear. A durable system is crucial for riders who frequently take long trips or ride in diverse weather conditions.
- Price vs. Value: Riders often evaluate their exhaust choices based on the balance between cost and the benefits provided. While some may lean towards budget-friendly options, others are willing to invest more for premium sound, performance, and aesthetics.
What Are Common Consumer Experiences with Different Exhaust Systems?
Custom exhausts allow riders to achieve a unique look and sound tailored to their personal style. While these systems can be pricier and require a skilled fabricator, many enthusiasts appreciate the individuality and custom features that come with a bespoke exhaust solution.
How Should You Approach Installation for Your New Exhaust System?
When considering the installation of a new exhaust system for your Indian Challenger, several key approaches should be taken to ensure optimal performance and compatibility.
- Research Compatibility: Before purchasing an exhaust system, ensure that it is specifically designed for the Indian Challenger model. This includes checking the year of manufacture and any specific engine configurations, as compatibility can greatly affect performance and installation ease.
- Select Quality Materials: Choose an exhaust system made from high-quality materials like stainless steel or aluminum. These materials not only enhance the durability and longevity of the exhaust system but also contribute to better sound quality and performance increase.
- Professional Installation: While some may prefer to install the exhaust system themselves, hiring a professional mechanic can provide peace of mind. A professional will ensure that the installation is done correctly, minimizing potential issues such as leaks or improper fitment.
- Consider Sound Preferences: Different exhaust systems produce varying sound profiles. Determine what type of sound you desire, whether it’s a deep rumble or a more aggressive tone, and select a system that aligns with your personal preferences while adhering to local noise regulations.
- Check for Warranty: Many aftermarket exhaust systems come with warranties. Before making a purchase, review the warranty terms to ensure that you are protected against defects and can receive support if issues arise post-installation.
- Review Installation Instructions: If you decide to install the exhaust system yourself, thoroughly read the manufacturer’s installation instructions. This will provide you with a clear understanding of the required tools and steps, helping you avoid common pitfalls during the installation process.
Can You Install the Exhaust Yourself, or Is Professional Help Recommended?
Yes, you can install the exhaust yourself, but professional help is recommended.
Installing an exhaust system can be a rewarding DIY project if you have the right tools, mechanical knowledge, and experience. For someone who is comfortable working on motorcycles and has a good understanding of the specific requirements for the Indian Challenger, the installation process can be straightforward. However, it often involves removing various components and ensuring proper fitment, which may require additional adjustments or modifications.
On the other hand, seeking professional help is advisable for those who are not experienced with motorcycle mechanics. A professional installer will have the expertise to ensure that the exhaust is fitted correctly and functions optimally. They can also help avoid potential issues such as leaks, improper alignment, or interference with other components. Additionally, professionals may offer warranties on their work, providing peace of mind that your investment in the best exhaust for your Indian Challenger is protected.
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