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- T304 Seamless Stainless Steel tubing
- Improve Exhaust flow
- 100% TIG Welded
- Great Sound
BMW E82 E88 E90 E92 N55
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Unlock the hidden performance of your BMW N55-powered 535i, 535xi, X5, or X6 with the Untd. Performance Catless Downpipe. Engineered specifically for PWG turbo-equipped models, this high-flow downpipe eliminates the restrictive factory catalytic converter to deliver raw power, quicker turbo response, and a deeper, more aggressive exhaust note. Whether you’re chasing lap times or building a daily street machine with bite, this upgrade brings the full potential of the N55 3.0L turbocharged inline-six to life.
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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.
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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.
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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.