Catless Downpipe for BMW 328i 2008 – Expert Install & Performance Upgrade

For 2008 BMW 328i enthusiasts seeking a blend of authentic style and enhanced performance, the catless downpipe offers a refined, modern alternative to factory parts—styled for precision and power.

The catless downpipe eliminates the bulky exhaust cat while preserving exhaust flow and sound. This lightweight, custom-designed upgrade enhances aerodynamics, reduces drag, and gives your 328i a sleek, aggressive presence—without compromising reliability or drivability. Perfect for track days or daily driving with a premium touch.

Designed specifically for the 2008 BMW 328i, this catless downpipe integrates seamlessly with the vehicle’s exhaust system, maintaining compatibility with stock components. Made from high-grade stainless steel, it resists corrosion, delivers lasting durability, and ensures optimal exhaust flow—preserving engine performance while elevating visual appeal.

Easy to install with minimal modifications, this downpipe requires no welding and fits standard exhaust lengths. Professional-grade mounting ensures a snug, secure fit, with clean finishes that complement your car’s sporty character. Many owners report faster installation times and immediate confidence in both performance and aesthetics.

Upgrade your 2008 BMW 328i with a catless downpipe to achieve a flawless blend of form and function. Whether for daily elegance or track-ready precision, this premium modification enhances your car’s character and performance. Explore authentic parts today and take your BMW to the next level.

The ARM Motorsports N20 Downpipe is the best hardware upgrade to get the most power from your 320i or 328i. Similar to it's brother the N55, the N20 has a stock downpipe with a catalyst that drastically restricts exhaust flow. This limits not only the amount of power N20 can make on the stock tune, but also prevents upgrading to a stage 2 tune due to excessive back.

The CTS Turbo downpipe for the BMW N26 is made to maximize exhaust flow for the highest power gains. Do not compromise performance and sound with factory parts - unleash your BMW's potential! Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. Manufactured from.

Upgrade to the CenCal BMW N20 catless downpipe to eliminate the backpressure caused by your stock catalytic converters. By upgrading to our downpipe, your turbo can now spool faster and achieve maximum power. Upgrade your BMW 328i with a high-performance downpipe.

Improve horsepower, turbo response, and sound with a catless BMW 328i downpipe. Downpipes used to only apply to aftermarket turbo builds for BMWs, but are now found on all modern BMW turbo engines. The downpipe attaches to the turbo and begins the exit flow of exhaust gases.

This little bit of factory BMW exhaust piping leaves HUGE room for impressive power gains. We've got the highest quality, result. Upgrade from the stock N20 downpipe to the MAD N20 4" catless downpipe for maximum airflow, power, and sound! Upgrade to the MAD BMW N20 4" downpipe to eliminate the backpressure caused by your stock catalytic converters.

Unlock the true performance potential of your BMW N26-powered vehicle with the ARM Motorsports N26 Catless Downpipe. The factory N26 downpipe contains a large, restrictive catalyst that significantly limits exhaust flow. Upgrade your BMW F30/F31 320i/328i performance with our catless downpipe.

Experience increased exhaust flow, improved throttle response, and enhanced horsepower and torque. Perfect for enthusiasts seeking optimal engine performance and a more exhilarating driving experience. Product Description - 100% SUS-304 Stainless Steel - Direct bolt on to oem turbo or after market turbo with oem exhaust exit - Eliminated the oem catalytic converter for maximum exhaust flow - 4″ v band / Pipe diameter tapered design to increase velocity - TIG Weld for Strength and Durability - Gain 15hp / 25 tq - Will fit all factory 02 sensors / bracket.

This downpipe is compatible with the following models: 2012-2015 BMW 320i, 320ix L4 2.0T (F30, F31, F34) 2012-2015 BMW 328i, 328ix L4 2.0T (F31, F34) 2012-2015 BMW 328ix L4 2.0T (F30) Important Note: This downpipe is NOT compatible with vehicles equipped with N26 engines, which are the SULEV (Super Low Emission) version of N20 engines.