BMW E90 N55 Downpipe – Boost Performance & Efficiency
The BMW E90 N55 downpipe is a precision-engineered modification designed to unlock hidden performance potential in one of BMW’s celebrated N55-powered sedans. This upgrade replaces the stock exhaust system with a streamlined, high-flow downpipe that reduces backpressure, allowing the engine to breathe more freely and deliver sharper acceleration and improved throttle linearity. Beyond raw power gains, the N55 downpipe enhances fuel efficiency by optimizing exhaust flow, making it a practical yet impactful choice for performance enthusiasts.
This component is engineered with durability in mind, using heavy-gauge stainless steel to withstand high exhaust temperatures and prolonged use without degradation. Installation is typically straightforward, compatible with most E90 N55 models, and supports both street and track performance. Users consistently report a more responsive engine, deeper low-end torque, and a noticeably more engaging driving experience after installation.
Whether you're preparing your E90 N55 for a weekend rally or simply seeking to refine your daily drive, the BMW E90 N55 downpipe delivers proven performance enhancements with reliable build quality. For those demanding more from their N55, this upgrade is a smart, measurable improvement.
Conclusion: Upgrading to a BMW E90 N55 downpipe unlocks superior performance, efficiency, and driving satisfaction. Experience the difference with every drive—optimize your E90 today and push your limits with confidence.
The ARM E-Series N55 Downpipe is designed to increase power and performance of your N55 equipped BMW by optimizing exhaust flow and reducing back pressure. Upgrading the downpipe on your N55 increases power, improves turbo spool, and allows you to run stage 2+ tuning, all while making your 135i or 335i sound better. CTS Turbo is proud to announce our BMW E90/E92 N55, /E81/E82 N55 135i/335i/X1 cat-less downpipe.
NOTE: These are for late E-series models with N55 "twin-power" single turbo engine. Made from T304 stainless steel, these downpipes offer far superior flow compared to the OEM pipes. Increase your throttle response, power and improve the sound of the.
The downpipe carries exhaust gas from the hot side of your turbo to the rest of the exhaust system. Replace a faulty catted downpipe with an OEM downpipe or upgrade for more performance with our selection of aftermarket performance downpipe options. Circuit Werks latest Satin / Brush Finish for the BMW 335i N55 2011-2012 Turbo 4" Downpipe.
Fits all E90/E91/E92/E93 N55B30 motors from 2011. What are the best N55 downpipes for your 135i, 235i, 335i, and 535i? Should you go catless downpipes or high-flow catted? Read our full guide on N55 DP's! BMW Downpipes for BMW 3 Series E90 (2006-2011) Clear BMW chassis When BMW began to offer more and more forced induction vehicles, some enthusiasts were upset and others were excited about the big power potential.
While we love older, naturally aspirated BMWs, we LOVE forced induction BMWs. Catless Downpipe BMW N55 E90 E92 E93 335i 335xi E82 E88 135i. 100% handcrafted from premium 304 Stainless Steel.
Fitment: For BMW 1 Series E82 E88 - 135i N55 Engine 2011-2012 For BMW 3 Series E90 E91 E92 E93 - 335i N55 Engine 2011-2012 Package including: 1× Pipe 2× Gaskets 5× Screws NOTE Not for sale or street use on a licensed vehicle in the State of California and New York & does meet CARB states. All products we sold are deemed for "Off. CTS Turbo is proud to announce our BMW E90/E92 N55, /E81/E82 N55 135i/335i/X1 catless downpipes.
NOTE: These are for late E-series models with N55 "twin-power" single turbo engine. Made from T304 stainless steel, these downpipes offer far superior flow compared to the oem pipes.