*Please email us any special requests* For stronger power and the full voice of the N55 on your 2010-2012 BMW 335i, these performance downpipes are one of the most impactful bolt-ons you can make to the later E90 generation. Unlike earlier models, the N55 runs a single twin-scroll turbo and this downpipe is built specifically for that setup, opening up flow straight off the turbo where the factory system holds everything back. The catless design drops back pressure significantly, which translates into sharper throttle, stronger mid-range pull, and a real bump in horsepower and torque if you pair it with a supporting tune. It also brings the N55's straight-six character out with a deeper, more aggressive tone and proper turbo spool and whooshes the factory downpipe keep heavily muted. They’re constructed from T304 stainless steel with smooth mandrel bends to handle the heat and hold up long term. We Stand Behind Our Products All items from us have a 1-Year Warranty! Specs Fits: 2010 2011 2012 E90 E91 E92 E93 BMW 335i I6 Turbo N55 Engine Material: High Quality T304 Stainless Steel Precision TIG welds for high strength and perfect fitment 100% Reversible, always able to go back to stock at any time *Comes with ALL necessary mounting hardware* Shipping FREE SHIPPING to the lower 48 States! 5-8 Business Days depending on location We ship all of our products through UPS or FedEx Current processing time (FOR FRONT RACE PIPES ONLY!) from when you place your Order to the Order being shipped is 5 Business Days We always recommend Professional Installation. Emissions Non-Compliance. Removing, disabling, or altering emissions equipment on a pollution-controlled road vehicle is illegal. Installing devices or software that trick, disable, or modify emissions controls and monitors on a pollution-controlled road vehicle is also illegal. This product is sold only for racing, competition, track, hobby, or other off-road use. Its use is prohibited in any motor vehicle that is subject to emissions inspection or control. Legal in California only for racing vehicles that may never be used, or registered or licensed for use, upon a highway. DISCLAIMER: This product removes the OEM catalytic converters from the vehicle, and as such, is strictly intended for closed track events and off-road use only, never to be driven on public roads. This product is or contains a Racing Cat Bypass Pipe, which will give you check engine lights on OBD2 cars. We suggest pairing this product with racing software to prevent fault codes and check engine lights. Racing Cat Bypass Pipes are solely intended for track and race cars as they are NOT California Air Resources Board Certified (CARB) and not EPA certified. You are hereby informed and warned to check your local, state, and federal laws before buying and installing these or any aftermarket parts to be sure whether usage is in violation. All installation-risk and use-risk is borne by the end-user and installer of these parts.
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