Showing 37–48 of 65 results
Unlock the true potential of your BMW M3 F80 or BMW M4 F82 with the Untd. Performance 3″ Catless Downpipe. Designed specifically for the S55 3.0L Twin-Turbo Inline-6 engine, this downpipe removes the restrictive factory catalytic converters, allowing for maximum exhaust flow, quicker turbo spool, and significant performance gains. Whether you’re aiming for higher power levels, faster throttle response, or an aggressive exhaust sound, this catless downpipe is built to deliver the ultimate performance experience.
Take your BMW M2, M3, or M4 (G80/G82) to the next level with the Untd. Performance Catless Downpipe with Heat Shield, designed specifically for the high-performance S58 twin-turbo 3.0L inline-6 engine. Built for maximum flow, power, and sound, this downpipe is a must-have for enthusiasts looking to unleash the full potential of their modern M car. With integrated thermal shielding and a catless design, it’s made for drivers who demand unfiltered performance.
Take your EA839-powered Audi B9 S4 or S5 to the next level with the Untd. Performance Catless Downpipe w/ Heat Shield. Designed for maximum power and thermal management, this upgrade removes the restrictive factory catalytic converter and adds integrated heat shielding for cooler engine bay temps and reliable long-term performance. Whether you’re building a weekend weapon or prepping for the track, this downpipe is the foundation of your power setup.
Unlock the true performance of your twin-turbo V6 with the Untd. Performance Catless Downpipe w/ Heat Shield for the Audi B9 RS4 and RS5. Engineered for maximum flow and thermal efficiency, this premium upgrade replaces the restrictive factory catalytic converters with a high-velocity, shielded system that delivers raw power, quicker spool, and an aggressive exhaust note—all while managing heat under extreme driving conditions.
Unlock the full potential of your BMW B58-powered F20, F30, F31, F32, F33, F34, F36, G30, G11, and G12 with the Untd. Performance Catless Downpipe with Heat Shield. Designed for enthusiasts looking to maximize power, turbo efficiency, and exhaust flow, this catless downpipe eliminates the restrictive factory catalytic converter while featuring an integrated heat shield to protect your engine bay from excessive heat. With a large 4.5″ diameter, this downpipe significantly enhances turbo performance, reduces turbo lag, and delivers a more aggressive exhaust note.
Unleash the full potential of your BMW M235i or 435i with the Untd. Performance Catless Downpipe w/ Heat Shield. Built for the N55 turbocharged inline-six, this high-performance upgrade eliminates factory restrictions to deliver maximum exhaust flow, quicker turbo spool, and a deep, aggressive sound. Whether you’re carving corners or dominating straightaways, this catless downpipe with integrated heat shielding is engineered to give your BMW the performance edge it deserves.
Unlock a new level of performance for your BMW M340i, M440i, M240i, X5, X7 40i, and xDrive G20 / G22 / G26 / G05 / G07 with the Untd. Performance Catted Downpipe. Featuring a 200-cell high-flow catalytic converter, this downpipe offers significant improvements in exhaust flow, turbo efficiency, and overall engine performance. Designed to optimize power delivery and reduce backpressure, the downpipe ensures your engine operates at its full potential, enhancing throttle response, turbo spool, and overall acceleration.
Take your BMW E82/E88 135i or E90/E92 335i equipped with the legendary N55 engine to the next level with the Untd. Performance Catted Downpipe. Designed to increase performance, improve throttle response, and unlock a deeper, more aggressive exhaust note, this high-flow downpipe is engineered to maximize the potential of your turbocharged inline-six while maintaining reliability and longevity. Featuring a high-flow 200-cell catalytic converter, this downpipe is the perfect upgrade for enthusiasts looking to reduce turbo lag and boost overall driving excitement.
Maximize the power and sound of your BMW M5 F90 or BMW M8 F91/F92/F93 with the Untd. Performance Catted Downpipe. Designed for the powerful S63 engine, this high-flow downpipe features a 200-cell high-performance catalytic converter and integrated heat shield for superior durability and performance gains. Crafted from high-quality SS 304 stainless steel, the downpipe is built to withstand the heat and pressure of high-performance applications while providing a noticeable boost in horsepower, turbo response, and exhaust sound.
Elevate your BMW N55’s performance with the Untd. Performance Catted Downpipe. Purpose-built for enthusiasts who want more power, faster spool, and a throatier exhaust tone—without the full commitment of a catless setup—this high-flow catted downpipe delivers serious gains while maintaining a more emissions-conscious design. Perfect for daily-driven builds, weekend warriors, and tuned street machines.
Elevate your BMW’s performance and sound without sacrificing refinement or emissions-conscious design with the Untd. Performance Catted Downpipe with Heat Shield, tailored for the S58-powered G80 M3, G82 M4, and G87 M2. Featuring a high-flow 200 cell catalytic converter and integrated heat shielding, this downpipe strikes the perfect balance between power, tone, and drivability—ideal for high-performance builds where quality and control matter.
Unlock the full potential of your BMW M3 F80 or BMW M4 F82 with the Untd. Performance Catted Downpipe with Shield. Designed specifically for the S55 3.0L Twin-Turbo Inline-6 engine, this downpipe offers significant performance improvements while maintaining legal emissions compliance. Whether you’re a street enthusiast or a track-day warrior, this downpipe is the perfect upgrade to improve your vehicle’s power, turbo response, and overall driving experience, all while keeping emissions in check.
Showing 37–48 of 65 results