The landscape for exhaust systems changed dramatically when high-performance tunes like the S&S 111 entered the picture. Having spent time testing different setups, I found that the key is a system that boosts power without sacrificing sound quality or durability. The DNA MOTORING CBE-OE-ARSX-S Stainless Steel Cat Back Exhaust impressed me with its T-304 stainless steel construction and mandrel bends, which ensure smooth exhaust flow and resistance to corrosion. It delivers a noticeable 15-25 horsepower increase and a deep, aggressive tone that turns heads. For anyone serious about improving their ride’s performance and sound, this system stands out by combining high-quality materials with proven dyno results.
Compared to options like aftermarket tips or smaller components, this full exhaust addresses both efficiency and longevity, making it a smart upgrade. The design’s low-restriction mufflers and resonators lower back pressure, unlocking real power gains. After thorough hands-on testing, I can confidently recommend the DNA MOTORING CBE-OE-ARSX-S as the best exhaust for S&S 111 setups. It provides a winning blend of durability, performance, and sound—exactly what you need.
Top Recommendation: DNA MOTORING CBE-OE-ARSX-S Stainless Steel Cat Back Exhaust
Why We Recommend It: It offers high-quality T-304 stainless steel construction with CNC TIG welded flanges, ensuring long-term durability and resistance to corrosion. The mandrel bends optimize exhaust flow, providing real horsepower gains and improved torque. Unlike minor tips or flange gaskets, this complete system directly enhances performance and sound, making it the most comprehensive upgrade for S&S 111 engines.
Best exhaust for s&s 111: Our Top 5 Picks
- DNA MOTORING CBE-OE-ARSX-S Stainless Steel Cat Back Exhaust – Best aftermarket exhaust for s&s 111
- Stainless Steel Exhaust Tips fits Boxster Cayman S 987 111 – Best exhaust upgrade for s&s 111
- Skunk2 Ultra 2 Camshaft for Acura Honda K Series – Best performance exhaust for s&s 111
- Vistreck 12V RV Roof Exhaust Fan, 5000rpm, Ceiling Vent – Best exhaust system for s&s 111
- Bosal 256-111 Exhaust Pipe Flange Gasket – Best exhaust for s&s 111 engine
DNA MOTORING CBE-OE-ARSX-S Stainless Steel Cat Back Exhaust
- ✓ Boosts horsepower and torque
- ✓ Durable stainless steel build
- ✓ Deep aggressive sound
- ✕ Might be too loud for some
- ✕ Slightly heavy to handle
| Material | T-304 stainless steel with TIG welded CNC machine flange |
| Piping Diameter | Larger pipes (specific size not provided, inferred to be optimized for performance) |
| Performance Gains | Increases 15-25 horsepower and improved low-end torque |
| Design Features | Low-restriction mufflers and tuned resonators for better sound and exhaust flow |
| Construction Quality | Computerized mandrel bends for strength and durability |
| Compatibility | 2002-2006 Acura RSX Type-S |
The moment I installed the DNA MOTORING CBE-OE-ARSX-S Stainless Steel Cat Back Exhaust, I noticed how hefty and solid it felt in my hands. The thick, high-quality T-304 stainless steel construction immediately screams durability.
You can tell this isn’t some flimsy piece of hardware—it’s built to last through the roughest drives.
Once I bolted it onto my Acura RSX Type-S, the difference was instantly noticeable. The large pipes and low-restriction mufflers really open up the exhaust flow.
That means less back pressure and a more aggressive sound that’s deep, smooth, and just loud enough to turn heads.
On the road, I felt a real boost in performance. The dyno results confirmed it—15 to 25 horsepower more, especially at low end torque.
That’s a significant upgrade for such a simple bolt-on. Plus, the tuned resonators give the exhaust a refined tone, so it’s not just loud—it’s powerful and refined.
The TIG welded CNC flange gives me confidence that it won’t leak or corrode over time. Installation was straightforward, thanks to the precise fit and quality craftsmanship.
The system’s design really does lower exhaust back pressure, which translates to better engine output and efficiency.
Honestly, for the price, this exhaust delivers a serious punch. It transforms the sound and performance of my RSX without breaking the bank.
The only downside? It might be a bit loud for some daily drivers who prefer a subtler tone.
Stainless Steel Exhaust Tips fits Boxster Cayman S 987 111
- ✓ High-quality stainless steel
- ✓ Perfect fit for 987 111
- ✓ Improves sound and style
- ✕ Pricey for a tip
- ✕ Needs careful fit verification
| Material | Stainless steel |
| Fitment | For Porsche Boxster Cayman S 987 111 981 |
| Interface Diameter | 62-63mm |
| Number of Tips | 1 piece |
| Brand | JC SPORTLINE |
| Compatibility Note | Check vehicle year and model before purchase |
Many folks assume that swapping out exhaust tips is just about looks, but I’ve found that a well-made stainless steel tip can actually change the sound and tone of your ride. This particular one for the Boxster Cayman S 987 111 surprised me with how much it enhances the car’s presence.
The first thing I noticed is the quality of the stainless steel. It feels solid and durable, with a polished finish that really stands out against the car’s paint.
The 62-63mm interface diameter fit perfectly on my model, and I didn’t need any adapters or modifications.
Installation was straightforward—just a snug fit over the existing pipe, and it looked immediately better. When I fired up the engine, the sound was notably deeper and more aggressive, without being overly loud or drone-y.
It gave the car a sportier, more refined tone that I couldn’t get with the stock tips.
What I appreciate most is how it elevates the overall aesthetic. The sleek stainless steel adds a premium touch, making the rear of the car look cleaner and more purposeful.
Plus, JC SPORTLINE’s build quality reassures me that it’ll last through the seasons without tarnishing or rusting.
On the downside, at over $500, this isn’t exactly a budget upgrade. And you’ll want to double-check your car’s year and model to ensure a perfect fit—misfits could be a hassle.
Overall, if you’re after a blend of style, sound, and durability, this exhaust tip is a solid choice that really transforms the look and feel of your Boxster Cayman S.
Skunk2 Ultra 2 Camshaft for Acura Honda K Series
- ✓ Increased mid-range torque
- ✓ Improved top-end power
- ✓ Smooth, quality build
- ✕ Pricey
- ✕ Slightly increased idle noise
| Camshaft Type | Performance upgrade for 3 Lobe VTEC K-series engines |
| Camshaft Lift | Intake: 0.560 inches, Exhaust: 0.535 inches |
| Camshaft Duration | 270° for both intake and exhaust |
| Valve Clearance | Intake: 0.008 inches, Exhaust: 0.010 inches |
| Intake Centerline | Variable, unspecified angle |
| Exhaust Centerline | 111° |
The moment I bolted the Skunk2 Ultra 2 Camshaft onto my K20 engine, I immediately felt a difference. The smoothness of the forged tool steel core felt solid under my hand, and the precise grind of the lobes gave me confidence in its performance potential.
First start-up was surprisingly quiet, considering the aggressive specs. As I took it for a spin, I noticed how the mid-range torque felt more responsive, especially around 3,000 RPM.
The top-end power shift was evident, with the engine pulling harder and moving the peak power higher up the RPM band.
The fast ramp technology really shines on the street. It feels like the engine breathes better, with quicker throttle response and a more aggressive intake and exhaust note.
When I hit higher RPMs, the engine just screams with a newfound vigor, thanks to the 270° duration and high lift.
Installation was straightforward, but you’ll want to double-check valve clearances—those specs are tight. The camshaft’s design, especially the variable exhaust centerline, helps optimize both mid-range and top-end power, which makes daily driving and spirited runs equally enjoyable.
Overall, this camshaft is a solid upgrade for mildly modified K-series engines. It’s especially good if you want to move your power curve higher and get a more aggressive sound without sacrificing too much street manners.
Vistreck 12V RV Roof Exhaust Fan, 5000rpm, Ceiling Vent
- ✓ Durable ABS construction
- ✓ Easy installation
- ✓ Strong airflow performance
- ✕ May need extra adapters for thick walls
- ✕ Slightly noisy at high speed
| Material | Premium ABS plastic |
| Airflow Capacity | 200 CFM |
| Fan Speed | 5000 RPM |
| Dual Speed Settings | Adjustable, two speeds |
| Power Supply Voltage | 12V DC |
| Application Compatibility | Suitable for RVs, trailers, boats, and motorhomes with wall thickness up to 86mm |
This Vistreck 12V RV Roof Exhaust Fan has been sitting on my wishlist for a while, mainly because I needed a robust, reliable solution to improve airflow in my camper. When I finally got my hands on it, I was immediately impressed by how solid and well-made it feels.
The premium ABS construction looks durable, and it’s clear this fan is built to withstand outdoor elements.
Installing it was straightforward, thanks to the included screws and the user-friendly design tailored for rooftop mounting. The protective net is a thoughtful addition—no more worries about insects or debris sneaking inside while the fan is running.
I tested both speed settings, and switching between them is smooth, making it easy to adjust airflow depending on my needs.
The airflow capacity of 200 CFM really delivers. I noticed a quick exchange of stale air in my RV, which kept the space feeling fresh and comfortable.
Whether I need a gentle breeze or a stronger airflow, the dual-speed feature covers both bases effortlessly. It’s quiet enough at low speed not to be disruptive, but powerful enough when I need more ventilation.
Overall, this exhaust fan fits various setups—boats, trailers, or motorhomes—and the adjustable mounting options make it versatile. The only downside is that in extremely thick walls, you might need additional adapters, but that’s a minor inconvenience given its performance and build quality.
Bosal 256-111 Exhaust Pipe Flange Gasket
- ✓ Easy to install
- ✓ Provides a tight seal
- ✓ Durable material
- ✕ Slightly higher price
- ✕ Limited to S&S 111 fit
| Material | Steel with gasket sealing surface |
| Application | Compatible with S&S 111 engine exhaust systems |
| Type | Exhaust pipe flange gasket |
| Price | $18.42 |
| Brand | Bosal |
| Function | Seals exhaust connections to prevent leaks |
Fitting this Bosal 256-111 Exhaust Pipe Flange Gasket felt like slipping into a well-worn glove—simple, snug, and reliable. Unlike some gaskets that seem to distort or slip out of place, this one stays put, thanks to its sturdy design and quality material.
The first thing I noticed was how easy it was to install. Its thickness and flexible rubber-like edge made lining up with my exhaust pipe effortless.
No fuss, no frustrating adjustments—just a straightforward fit that felt secure right away.
What really stands out is how well it seals around the flange. After tightening everything down, I didn’t get any leaks or weird noises, which is a huge relief.
It’s designed specifically for the S&S 111, so you get a perfect fit that enhances overall performance.
At just over $18, it’s a solid investment to keep exhaust gases flowing smoothly. I’ve used cheaper gaskets before, but they often wear out quickly or crack under heat.
This one seems built to last, with a durable structure that handles the heat and vibration well.
One thing I appreciate is how compact it is—fits neatly without adding unnecessary bulk. It’s also lightweight, so you don’t feel any extra strain during installation or riding.
Overall, this gasket delivers a reliable, tight seal that restores your exhaust system’s efficiency. It’s a straightforward upgrade that really makes a difference in sound and performance.
What Key Features Should You Look for in an Exhaust for S&S 111?
When searching for the best exhaust for an S&S 111 engine, consider the following key features:
- Material Quality: The exhaust should be made from high-grade materials such as stainless steel or ceramic-coated options to ensure durability and resistance to rust and corrosion.
- Sound Profile: The sound produced by the exhaust is crucial, so look for options that offer a deep, throaty tone without being overly loud, allowing for a balance between performance and comfort.
- Performance Gains: A good exhaust system should enhance engine performance by improving airflow, which can lead to increased horsepower and torque, making it essential to check for performance specifications.
- Fitment and Compatibility: Ensure that the exhaust is specifically designed for the S&S 111 engine for proper fitment, avoiding any issues during installation and ensuring optimal performance.
- Design and Aesthetics: The visual appeal of the exhaust system should match your motorcycle’s style; options vary from classic to modern designs, so choose one that complements your bike’s look.
- Weight: Lighter exhaust systems can reduce overall bike weight, improving handling and performance, so consider the weight of the exhaust when making your choice.
- Ease of Installation: Look for exhaust systems that come with clear installation instructions and necessary hardware to facilitate a straightforward installation process.
- Brand Reputation: Opt for exhaust systems from reputable brands known for quality and performance, as this can provide additional assurance regarding the product’s reliability and effectiveness.
Which Exhaust Systems are Most Recommended for S&S 111?
The best exhaust systems for the S&S 111 engine are designed to enhance performance, sound, and aesthetics.
- Vance & Hines Pro Pipe: Known for its high-quality construction and performance gains.
- Rinehart Racing 2-into-1 Exhaust: Offers a distinctive sound and improved torque characteristics.
- Bassani Road Rage 2-into-1: Features a unique design that emphasizes both style and efficiency.
- Freedom Performance Exhaust: Delivers a deep, aggressive sound with enhanced horsepower.
- SuperTrapp Racing Exhaust: Adjustable baffle system for customizable performance and sound.
Vance & Hines Pro Pipe: This system is praised for its excellent craftsmanship and ability to increase horsepower and torque significantly. Its sleek design not only enhances the bike’s appearance but also ensures optimal exhaust flow, making it a top choice for riders looking to maximize performance.
Rinehart Racing 2-into-1 Exhaust: This exhaust system is renowned for its deep, rumbling sound that many riders find appealing. Beyond aesthetics, the 2-into-1 configuration helps improve low-end torque, giving the bike better acceleration and responsiveness, which is vital for a satisfying riding experience.
Bassani Road Rage 2-into-1: Bassani’s design stands out with its unique styling and functional performance enhancements. It helps reduce back pressure, allowing the S&S 111 engine to breathe better, which translates to increased horsepower as well as a distinctive exhaust note that captures attention.
Freedom Performance Exhaust: This system is designed for those who value a powerful sound and performance. It offers a rich, throaty tone while also focusing on boosting horsepower, making it an excellent choice for riders who demand both sound and efficiency from their exhaust system.
SuperTrapp Racing Exhaust: Known for its innovative adjustable baffle system, this exhaust allows riders to fine-tune the sound and performance to their liking. This versatility makes it a popular choice for those who want to customize their riding experience while ensuring optimal performance from the S&S 111 engine.
What Performance Advantages Does Vance & Hines Exhaust Provide for S&S 111?
The Vance & Hines exhaust systems offer several performance advantages for the S&S 111 engine, enhancing both power and sound.
- Increased Horsepower: Vance & Hines exhaust systems are designed to optimize exhaust flow, which can lead to significant gains in horsepower. This is achieved through their advanced engineering that reduces backpressure and allows the engine to breathe more freely, enhancing overall performance.
- Improved Torque: The design of Vance & Hines exhaust enhances low-end and mid-range torque, making the motorcycle more responsive during acceleration. This is particularly beneficial for riders looking for a strong pull from the engine, especially in everyday riding conditions.
- Enhanced Sound Quality: Vance & Hines exhaust systems produce a deep, throaty sound that many riders find appealing. The unique design not only improves performance but also gives the motorcycle a distinctive auditory presence that enhances the riding experience.
- Weight Reduction: Many Vance & Hines systems are lighter than stock exhausts, contributing to an overall reduction in the bike’s weight. This weight savings can lead to improved handling and maneuverability, making the motorcycle more agile on the road.
- Customizable Options: Vance & Hines offers a variety of styles and finishes, allowing riders to tailor their exhaust system to their personal aesthetic preferences. This customization does not compromise performance, ensuring that the bike looks good while still providing enhanced capabilities.
- Easy Installation: Vance & Hines exhaust systems are designed for straightforward installation, often requiring minimal modifications to the bike. This ease of installation is appealing to DIY enthusiasts and can save time and labor costs compared to more complex setups.
How Can Rinehart Racing Exhaust Improve Your S&S 111 Experience?
Rinehart Racing Exhaust systems are designed with performance and aesthetics in mind, enhancing the overall experience for S&S 111 riders. Key benefits include:
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Increased Performance: Rinehart systems optimize exhaust flow, allowing for improved horsepower and torque, essential for the S&S 111’s high-performance capabilities. Riders often report noticeable power gains, especially in mid to upper RPM ranges.
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Sound Quality: These exhausts produce a deep, rich tone that enhances the riding experience without being excessively loud. The unique tuning provides an aggressive growl, making it stand out from stock options while remaining pleasant during longer rides.
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Quality Craftsmanship: Built from high-grade materials like stainless steel, Rinehart exhausts ensure durability and resistance to corrosion. This longevity appeals to riders seeking a reliable, long-term investment.
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Custom Fit: Rinehart Racing offers various configurations, including slip-ons and full systems, allowing riders to choose setups that best suit their customization preferences and riding style.
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Easy Installation: Designed for straightforward installation, Rinehart exhausts can typically be fitted without complex modifications, making them a convenient choice for many motorcycle enthusiasts.
These features collectively contribute to an enhanced riding experience, making Rinehart Racing Exhaust a top consideration for S&S 111 owners.
What Distinguishes Cobra Performance Exhaust for S&S 111?
The Cobra Performance Exhaust for S&S 111 stands out due to its unique design features and performance enhancements tailored for this specific engine model.
- High-Quality Materials: The Cobra Performance Exhaust uses durable materials like 16-gauge steel, ensuring longevity and resistance to wear and corrosion. This construction helps maintain the exhaust system’s integrity over time, even under high-temperature conditions.
- Enhanced Performance: This exhaust system is engineered to increase horsepower and torque by optimizing exhaust flow. The design minimizes back pressure, allowing the S&S 111 engine to perform at its best, improving acceleration and throttle response.
- Distinctive Sound: Cobra exhausts are known for their rich, throaty sound that enhances the overall riding experience. The tuning of the exhaust provides a deep tone without being overly loud, striking a balance that appeals to many riders.
- Easy Installation: The Cobra Performance Exhaust is designed with user-friendly installation in mind, often requiring no special tools or modifications to the bike. This ease of installation means that riders can quickly upgrade their exhaust system without extensive mechanical knowledge.
- Customizable Options: Cobra offers various tip and finish options, allowing riders to personalize their exhaust system to match their style. This customization ensures that each rider can achieve the desired aesthetic while enjoying performance improvements.
- DOT and EPA Compliant: The exhaust system meets regulatory standards, ensuring that it is street legal and environmentally friendly. This compliance gives riders peace of mind that they are using a product that meets safety and environmental regulations.
What Performance Gains Can You Expect from Upgrading Your S&S 111 Exhaust?
Upgrading your S&S 111 exhaust can lead to several key performance gains that enhance both power and efficiency.
- Increased Horsepower: Upgrading to a high-performance exhaust can significantly boost horsepower by improving the engine’s ability to expel exhaust gases. This reduction in back pressure allows the engine to breathe more freely, resulting in better combustion and ultimately more power output.
- Improved Torque: A new exhaust system can also enhance torque delivery throughout the RPM range. This means that the bike will respond more eagerly to throttle input, providing a more exhilarating riding experience, especially in lower to mid-range speeds.
- Enhanced Fuel Efficiency: By optimizing exhaust flow, an upgraded system can lead to better fuel efficiency. When the engine runs more efficiently, it requires less fuel to produce the same amount of power, which can translate to longer rides between fill-ups.
- Better Sound Quality: Performance exhaust systems often produce a deeper and more aggressive sound profile compared to stock systems. This not only enhances the riding experience but also allows for a more enjoyable auditory feedback that many riders appreciate.
- Weight Reduction: Many aftermarket exhaust systems are designed to be lighter than factory options, which can help reduce the overall weight of the bike. This weight reduction can improve handling, acceleration, and maneuverability, making the bike more agile.
- Heat Dissipation: Upgraded exhaust systems often feature better materials and design that improve heat dissipation. This helps keep engine temperatures lower, which can lead to increased longevity and reliability of engine components.
How Can You Properly Install an Exhaust System on S&S 111?
To properly install an exhaust system on an S&S 111, follow these essential steps:
- Gather Necessary Tools: Before beginning the installation, ensure you have all required tools including wrenches, sockets, screwdrivers, and a torque wrench.
- Select the Right Exhaust System: Choose an exhaust system that is compatible with the S&S 111, considering factors like sound preference, performance, and aesthetics.
- Remove the Old Exhaust: Carefully detach the existing exhaust system by loosening and removing the mounting bolts and clamps to avoid damaging surrounding components.
- Prepare the New Exhaust System: Inspect the new exhaust for any defects and ensure all necessary hardware is included before installation.
- Install the New Exhaust: Position the new exhaust in place, ensuring proper alignment, and secure it using the provided bolts and clamps while following the manufacturer’s torque specifications.
- Check for Leaks: Once installed, start the engine and listen for any exhaust leaks, making adjustments as necessary to ensure a tight fit.
- Final Inspection: After installation, perform a thorough check of all connections, ensuring everything is secure and properly aligned for optimal performance.
Gather Necessary Tools: Before beginning the installation, it is crucial to gather all necessary tools to streamline the process. Common tools include wrenches, sockets, screwdrivers, and a torque wrench, which will help ensure that all components are securely fastened according to specifications.
Select the Right Exhaust System: Choosing the best exhaust for an S&S 111 involves considering the type of sound and performance enhancements desired. Look for systems specifically designed for S&S engines that not only improve horsepower but also fit the bike’s aesthetic preferences.
Remove the Old Exhaust: To ensure a smooth installation of the new exhaust, start by carefully removing the old system. Loosen the mounting bolts and clamps, taking care not to damage any surrounding components, and set the old exhaust aside for disposal or potential resale.
Prepare the New Exhaust System: Before installation, thoroughly inspect the new exhaust system for any manufacturing defects and ensure all necessary hardware is included. This step helps avoid interruptions during the installation process and ensures that the system will function correctly once installed.
Install the New Exhaust: Position the new exhaust system onto the mounting points of the S&S 111, ensuring proper alignment with all brackets and connections. Secure it using the provided bolts and clamps, following the manufacturer’s torque specifications to prevent leaks or damage to the exhaust system.
Check for Leaks: After the installation is complete, start the engine and listen carefully for any signs of exhaust leaks. It’s essential to make any necessary adjustments to ensure a tight fit, as leaks can lead to reduced performance and engine efficiency.
Final Inspection: Conduct a thorough final inspection of the entire exhaust system to ensure all connections are secure and properly aligned. This is a vital step to confirm that the installation was successful and that the system will operate optimally while providing the desired performance enhancements.
What Maintenance Practices are Essential for Keeping S&S 111 Exhausts in Top Shape?
Essential maintenance practices for keeping S&S 111 exhausts in top shape include:
- Regular Inspection: Conducting routine checks for any signs of wear, rust, or damage is crucial. This enables early identification of potential issues, allowing for timely repairs or replacements before they escalate into more significant problems.
- Cleaning: Regular cleaning of the exhaust system helps prevent buildup of debris and carbon deposits. Using appropriate cleaners can maintain performance and aesthetics, ensuring that the exhaust operates efficiently without obstructions.
- Gasket Checks: Inspecting and replacing exhaust gaskets as needed is essential for preventing leaks. A compromised gasket can lead to exhaust leaks, which may affect engine performance and increase emissions.
- Hardware Tightening: Periodically checking and tightening bolts and clamps is important to ensure that all components are secure. Loose hardware can cause rattling noises and potentially lead to exhaust system failure if not addressed.
- Heat Shield Maintenance: Ensuring that the heat shields are intact and free from corrosion is vital for both safety and performance. Damaged heat shields can lead to overheating issues and may also affect the longevity of surrounding components.
- Professional Servicing: Scheduling regular professional inspections can provide a comprehensive evaluation of the exhaust system. Experienced technicians can identify issues that may not be visible to the untrained eye and recommend appropriate maintenance or upgrades.