Showing 1–12 of 261 results
The Untd. Performance Catless Downpipe for Audi A3 8P, Audi TT Mk2 Quattro, and VW Golf R Mk6 is a premium performance upgrade designed to unlock the full potential of your turbocharged engine. Engineered for optimal exhaust flow, this catless downpipe delivers substantial power gains and an exhilarating driving experience.
Upgrade your VW Golf MK4 1.8T with the Untd. Performance Catless Downpipe—engineered to dramatically increase exhaust flow, boost turbo efficiency, and deliver a raw, motorsport-inspired sound. Designed for performance enthusiasts and built to handle the demands of tuned or track-driven setups, this downpipe removes the factory catalytic converter, opening the door to quicker spool, higher power output, and an aggressive exhaust tone that brings your 1.8T to life.
Transform the front end of your 2022 BMW M3 or M4 with the Untd. Performance Carbon Grill V. This striking upgrade not only enhances the aesthetics of your vehicle but also improves airflow and cooling efficiency, making it an essential modification for performance enthusiasts.
The piping is constructed from premium 16-gauge(1.5mm) austenitic T304 stainless steel for superior durability. It is fully mandrel bent to maintain high flow rate. TIG welded at all joints, it also combines a cracking and corrosion resistant surface and an obstacle free internal wall. The surface is polished to add an extra layer of protection against wearing in various operating environment.
Unlock raw, unfiltered performance from your Audi S6, RS6, S7, or RS7 (C7 platform) with the Untd. Performance 2.75″ Catless Downpipe. Purpose-built for the twin-turbo 4.0T V8, this downpipe removes the restrictive factory catalytic converters to maximize exhaust flow, unleash horsepower, and transform your driving experience. Whether you’re carving corners or chasing numbers on the dyno, this downpipe delivers the performance, sound, and response you’ve been looking for.
Unlock the true potential of your Audi S6/RS6 and S7/RS7 C7 with the Untd. Performance 200 Cell 3″ Downpipe + Mid-Pipe. Specifically engineered for the 4.0T twin-turbo V8, this high-performance downpipe and mid-pipe combination provides significant power gains, faster turbo spool, and an aggressive exhaust sound, all while maintaining a level of emissions compliance with the 200-cell high-flow catalytic converters. This premium upgrade improves exhaust flow and reduces backpressure, allowing your V8 engine to breathe more freely, delivering exceptional throttle response and a thrilling driving experience.
Elevate your driving experience with the Untd. Performance 200 Cell Catted Downpipe, built for the Audi A3 2.0T, TT Mk2, and VW Golf GTI MK5/MK6. Designed for enthusiasts who want noticeable performance gains without sacrificing emissions compliance, this high-flow downpipe replaces the restrictive factory unit with a larger, freer-flowing pipe and an integrated 200 cell high-flow catalytic converter. The result is improved turbo response, increased horsepower, and a refined yet aggressive exhaust note—making this the perfect upgrade for spirited street driving or light track use.
Enhance the performance and sound of your Mercedes-Benz AMG GLC63 (2018) with the Untd. Performance Catted Downpipe W/Shield. Designed specifically for the M177 4.0L twin-turbocharged V8 engine, this high-performance downpipe features a 200-cell high-flow catalytic converter and an integrated heat shield to significantly improve exhaust flow, reduce backpressure, and increase horsepower and torque. The catted design maintains emissions compliance while still providing substantial performance gains, making this an ideal upgrade for those looking to increase performance without sacrificing the vehicle’s ability to meet emissions regulations.
Unlock the true potential of your Mercedes-Benz AMG X290 GT43/GT50/GT53, W213 E53, C257 CLS43/CLS53, or W167 GLE53 with the Untd. Performance Catted Downpipe W/Shield. Engineered for the M256 3.0L turbocharged inline-6 engine, this downpipe utilizes a 200-cell high-flow catalytic converter to significantly enhance exhaust flow, reduce backpressure, and increase overall power output. Paired with an integrated heat shield, this downpipe improves turbo efficiency, accelerates turbo spool, and provides a more aggressive exhaust note—all while maintaining emissions compliance.
For RS owners who want real power without going fully catless, the Untd. Performance 200 Cell Downpipe is the perfect balance of flow, sound, and street-friendly performance. Designed for the twin-turbo 4.0T V8 in the Audi C8 RS6 and RS7, this high-performance downpipe replaces the restrictive factory setup with a premium 200 cell sport catalytic converter—unlocking sharper throttle response, stronger midrange torque, and a deeper, more aggressive tone.
Elevate the power and presence of your S-Class AMG with the Untd. Performance 200 Cell Downpipe w/ Heat Shield. Engineered for the M177 4.0L twin-turbo V8 in the W222 S63, this downpipe is designed to drastically improve flow, reduce turbo lag, and enhance exhaust tone—while keeping things refined with a high-flow catalytic converter and integrated thermal shielding.
Showing 1–12 of 261 results