Optimized BMW 135i Downpipe for Enhanced Performance

Maximizing the performance potential of your BMW 135i starts with precision engineering—enter the BMW 135i downpipe, a critical component designed to enhance airflow and optimize engine efficiency.

Upgrade Your BMW 135i with a High-Performance Downpipe

The BMW 135i downpipe is engineered to replace the factory exhaust system with a high-flow, lightweight design that reduces backpressure and increases volumetric efficiency. This upgrade enhances throttle response, accelerates acceleration, and supports better fuel combustion—delivering measurable gains in both power and drivability without compromising reliability.

Materials, Fitment, and Custom Fit

Manufactured from premium stainless steel, the BMW 135i downpipe offers superior durability and corrosion resistance. Its precision-machined design ensures a direct fit with factory mounting points, eliminating the need for custom modifications. This ensures a seamless installation that preserves the vehicle’s integrity while boosting performance characteristics tailored specifically to the 135i’s powertrain.

Benefits of Installing a BMW 135i Downpipe

Beyond raw performance gains, installing a high-quality downpipe improves exhaust scavenging, contributes to cleaner emissions, and enhances the vehicle’s acoustic character with a more aggressive, refined sound. It’s a reliable upgrade that aligns with modern performance expectations while maintaining the 135i’s iconic driving dynamics.

Elevate your BMW 135i’s performance with a precision-engineered downpipe designed to deliver cleaner power, better efficiency, and a more responsive driving experience. Upgrade today and unlock the full potential of your engine—engineered for excellence, built for performance.

VRSF Ceramic Coated Downpipe Upgrade for your N55 2010 - 2013 BMW 135i, 335i & X1. Gains from 25. More About Performance Downpipes 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. The ARM N54 catless downpipes eliminate the restrictive oem converters on the stock downpipes allowing the exhaust to flow more freely, increasing power and torque. Because higher boost levels generate more heat, the ARM catless downpipes allows your 135i to run boost settings of Stage 2 tunes and beyond.

CTS Turbo is proud to announce our BMW N54 135i/335i (RWD ONLY) CAST downpipes. Made from 2.5″ 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 engine.

A wideband oxygen sensor bung is included on each pipe. Product Details. The VRSF 3.5″ downpipe upgrade is THE best bang for the buck mod available for your N55 135i & 335i/xi.

By eliminating the restrictive catalytic converter in the factory downpipe, back pressure is significantly reduced which results in faster spool, an increase in power & a more aggressive exhaust note. Upgrade your BMW N55 135i or 335i with the VRSF downpipes for 15+whp gains, exhaust sounds, and better turbo spool. N55 bolt.

Give your 2010-2013 BMW 135i Downpipes a facelift with these Downpipes from us! Perfect fitment and High quality these Downpipes will not disappoint. The Raceland BMW 135i Down Pipes have a enlarged pipe diameter in order to allow gasses leaving the turbo to flow at a more rapid rate than the restrictive OEM down pipe. This improved exhaust flow will result in more horsepower and torque by allowing the turbo to spool quicker and stronger.

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.

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