2011 BMW 335is Catless Downpipe – Performance Upgrade Without Catalytic Converter
The 2011 BMW 335is catless downpipe represents a strategic performance enhancement for enthusiasts seeking to unlock the car’s true exhaust character without installing a full catless system. Designed for the 2011 335is model, this high-flow exhaust upgrade replaces the factory catalytic converter with a precision-engineered catless design that maintains emissions compliance while boosting sound and exhaust efficiency. Engineered from durable stainless steel, the downpipe improves airflow, reduces backpressure, and enhances throttle response—delivering a more aggressive, sport-tuned exhaust note that resonates with driving passion. Ideal for those who want authenticity and performance, this upgrade preserves the integrity of the vehicle while delivering noticeable gains in acceleration and auditory presence. Installed easily by experienced mechanics, it’s a preferred choice for BMW enthusiasts who value both style and substance in a clean, factory-supporting package.
This catless solution stands apart by avoiding permanent catalytic converter removal, keeping the vehicle compliant for inspections and future resale. Its sleek design complements the 335is’ aggressive styling, making it a visible symbol of upgraded performance. Whether you're tuning for track days or daily driving, the 2011 BMW 335is catless downpipe offers a balanced blend of power, compliance, and authenticity.
For those ready to elevate their driving experience without sacrificing reliability, this catless downpipe delivers a powerful, emissions-compliant upgrade that honors the 335is’ legacy while enhancing its performance front to front.
Elevate your 2011 BMW 335is with a catless downpipe that delivers performance, authenticity, and compliance. Enhance exhaust flow and sound without losing the integrity of your classic sports car. Upgrade now and drive with greater power and precision.
VRSF Ceramic Coated Downpipe Upgrade for your N55 2010 - 2013 BMW 135i, 335i & X1. Gains from 25. 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 2011-2012 perfectly with stock turbo or an aftermarket turbo using the stock V-Band Clamps. Fits all the 335i Coupes, Convertibles, and Sedans as long as it's the single turbo N55 motor. We have the largest selection of 2011-2012 BMW 335i Catless Downpipes and BMW N55 Catted Downpipes.
Browse our BMW N55 335i Downpipes from VRSF, Vishnu, CPE, BMS and more! PROFILE Take your N54-powered BMW 335i to the next level with ARM Motorsports 3" catless downpipes. 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 335i to run boost settings of Stage 2 tunes. Boost horsepower and sound with the FLASHARK N55 Catless Downpipe for 2011-2012 BMW 135i/335i. High.
Catless Downpipe BMW N55 E90 E92 E93 335i 335xi E82 E88 135i. 100% handcrafted from premium 304 Stainless Steel. The Mad N55 Catless Downpipe is a high-quality aftermarket performance part designed to enhance the power and sound of your BMW.
Made from premium-grade stainless steel, this downpipe is engineered to deliver maximum performance gains by optimizing exhaust flow. Rev9 TURBO DOWNPIPE increase horsepower, torque and throttle response by eliminating the restrictive catalyst converter. Full SUS.
Downpipes used to only apply to aftermarket turbo builds for BMWs, but are now found on all modern BMW turbo engines. The downpipe attaches to the turbo and begins the exit flow of exhaust gases. This little bit of factory BMW exhaust piping leaves HUGE room for impressive power gains.
We've got the highest quality, result. Catless Downpipe for BMW 335i/135i w/N55B30 engines This downpipe fits only BMW 135i, E82 and E88 models and 335i E90, E92 models with N55B30 Motor 2011-2013. Downpipe is a full 4" with 2 @ 2.5" collectors.TIG welded and manufactured out of 304 stainless steel with polished finish.