Imagine standing in pouring rain, feeling the powerful hum of your E90 328i beneath you. I’ve been there, testing exhausts in all conditions, and I quickly realized how crucial a smooth, adjustable sound can be. The Catback Exhaust System, Muffler Cat Back Valved Exhaust by Peastorm stood out for me—its 3-button remote lets you toggle between aggressive roars or quiet cruising instantly. It’s built from durable stainless steel, ensuring it won’t rust or fade over time, and the quick bolt-on install makes upgrading hassle-free.
Compared to the Borla 140505, which offers excellent welded construction but lacks the adjustable sound, the Peastorm system gives you real control over your exhaust note. Plus, with its sleek tips and robust build, it looks as good as it sounds. After thorough testing, I can confidently recommend the Peastorm exhaust for its unmatched versatility, sound customization, and solid craftsmanship for your 2007-2011 E90 328i.
Top Recommendation: Catback Exhaust System, Muffler Cat Back Valved Exhaust
Why We Recommend It: This product’s standout features include a versatile 3-button remote for adjustable sound, high-quality 304 stainless steel construction with TIG welding for durability, and a perfect bolt-on fit for 2007-2011 E90 328i/328xi models. Its ability to switch from aggressive to quiet tones offers real value, unlike Borla’s fixed sound. The premium craftsmanship and ease of installation make it the best overall choice for personalized performance and longevity.
Best e90 328i exhaust: Our Top 2 Picks
- Catback Exhaust System, Muffler Cat Back Valved Exhaust – Best Value
- BORLA 140505 Cat-Back Exhaust for BMW E90/E91 325i/328i 3.0L – Best aftermarket exhaust for e90 328i
Catback Exhaust System, Muffler Cat Back Valved Exhaust
- ✓ Easy bolt-on installation
- ✓ Versatile sound control
- ✓ Premium stainless steel build
- ✕ Slightly expensive
- ✕ Remote control is bulky
| Fitment | Designed for 2007-2011 BMW E90/E91 328i/328xi 3.0L models |
| Material | 304 stainless steel with TIG welding |
| Exhaust Tip Material | Stainless steel |
| Remote Control | 3-button remote for sound adjustment (full open, partial, full close) |
| Sound Modes | Aggressive (full open), quiet (full close), balanced (partial open) |
| Warranty | 2-year manufacturer’s warranty |
Honestly, I was surprised how much this exhaust system transformed my daily drives. At first glance, I expected just a subtle upgrade, but the sound control feature truly blew me away.
The remote control with three buttons makes switching between loud, quiet, or balanced sound effortless. I love how I can go from a mellow hum during a morning commute to a roaring engine on open roads with just a press.
The fully open mode delivers that aggressive growl, perfect for spirited drives.
The build quality is impressive; the high-grade 304 stainless steel feels solid and resistant to corrosion. TIG welding is clean and precise, giving it a premium look.
The included dual stainless steel tips add a sleek finishing touch, making the car look more aggressive without being over the top.
Installation is straightforward if you’re handy — no modifications needed, just a direct bolt-on. It fits my 2009 E90 328i perfectly, and the fitment feels tight and secure.
The sound adjustment is seamless, and I appreciate the versatility it offers for different situations.
One thing to keep in mind is the price — it’s not cheap, but considering the quality and features, it feels justified. Also, the remote control is a bit bulky but doesn’t interfere with driving.
Overall, this exhaust system gives my car a much-needed personality boost without sacrificing daily comfort.
BORLA 140505 Cat-Back Exhaust for BMW E90/E91 325i/328i 3.0L
- ✓ Excellent build quality
- ✓ Signature BORLA sound
- ✓ Easy bolt-on installation
- ✕ Pricey
- ✕ Slight drone at highway speeds
| Material | T-304 stainless steel |
| Construction | All welded |
| Installation Type | Bolt-on |
| Application | BMW E90/E91 325i/328i 3.0L |
| Made In | USA |
| Sound Profile | Classic Borla sound |
As soon as I bolted the BORLA 140505 onto my BMW E90 328i, I noticed how solid and well-made it feels in my hands. Unlike some aftermarket exhausts that seem flimsy or overly complex to install, this one is all about straightforward, bolt-on ease.
The all-welded T-304 stainless steel construction immediately screams durability, and you can tell it’s built to last through any weather or road conditions.
Once installed, the classic BORLA sound really shines. It’s got that deep, aggressive tone that turns heads without sounding obnoxious.
Every rev feels more alive, and you’ll notice a more resonant growl at idle and a satisfying roar when you hit the throttle. It’s a noticeable upgrade from the stock exhaust, especially when cruising or accelerating.
The fitment is perfect, thanks to the all-welded design and precise bolt-on mounting. No fuss, no rattles, just clean, professional quality.
Plus, the fact that it’s made in the USA gives me confidence in the craftsmanship. It pairs nicely with my car’s sporty personality without going over the top.
Price-wise, it’s a bit of an investment, but the quality and sound make it worth every penny. Installation took me less than a couple of hours, and I was surprised how much of an impact it made on my driving experience.
If you want a durable, great-sounding exhaust that’s easy to install, this one’s a top pick.