$360.00
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.
Available on backorder
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.
Catless Design for Maximum Flow
Designed to remove the factory catalytic converter, the Untd. Performance Catless Downpipe drastically improves exhaust flow and reduces turbo backpressure. This upgrade is essential for enthusiasts seeking serious performance gains and sharper turbo response. The 3-inch diameter piping ensures your N55 breathes freely under boost, giving you the power edge you’ve been looking for.
Aggressive Exhaust Note
Enjoy the unfiltered sound of performance. The catless design unleashes a bold, aggressive exhaust tone with enhanced turbo spool sounds, sharper throttle burbles, and that signature N55 crackle. This is the sound of performance—raw, refined, and unmistakably BMW.
Power & Turbo Response Unleashed
With improved exhaust gas evacuation, your turbocharger can spool faster and maintain boost more efficiently. That translates to increased horsepower, faster throttle response, and a more responsive driving experience. Whether you’re carving up canyon roads or accelerating on the freeway, the difference is immediate and addictive.
Built to Last
Constructed from high-grade 304 stainless steel and precision TIG-welded, this downpipe is built for durability under extreme temperatures and pressure. CNC-machined flanges provide a secure, leak-free connection to your factory components, ensuring long-term reliability and high performance, no matter how hard you drive.
Track-Focused Performance
Designed for off-road and motorsport use, this downpipe is for drivers who want to extract every ounce of performance from their N55. Perfect for custom-tuned builds or track-prepped vehicles, it’s a serious upgrade for serious enthusiasts.
Easy, Bolt-On Installation
No cutting or welding required. This downpipe is engineered as a direct bolt-on replacement for your factory unit, making installation straightforward. Pair it with a proper ECU tune to fully realize the performance benefits.
BMW F10/F11 535i / 535xi (2011–2016)
BMW F07 535i GT (2011–2017)
BMW E70 X5 35i (2011–2013)
BMW E71 X6 35i (2011–2014)
✅ PWG (Pneumatic Wastegate) only — Does NOT fit EWG (Electronic Wastegate) models from 2014+
For those looking to awaken the true character of their N55-powered BMW, the Untd. Performance Catless Downpipe offers a no-compromise path to greater power, sharper response, and a race-inspired exhaust note that sets your build apart.
⚠️ Note: This product is intended for off-road and track use only. Not emissions-compliant for street use in all regions. Please verify local regulations before installation.
