cp-e™ BMW 135i Exhaust System $699
Fits 2008+ 135i including N54 & N55 motors. Bolt on more horsepower & torque! The Perfect blend of Performance, Sound, and Appearance. It gives the 135i a more aggressive character without becoming overwhelming.
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cp-e™ BMW 135i / 335i 3" Downpipes $579
cp-e™ is very proud to offer cast stainless steel performance downpipes for the BMW N54 twin-turbo engine. The cp-e™ downpipes are the product of nearly 10-months of design work, and represent the latest in reverse-engineering and manufacturing technology. The downpipes are constructed from heavy gauge American-made 304-stainless steel, and also carry a lifetime warranty. Cats also available.
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NEW! BMS N55 Downpipe Intro Price $369
Fits 2011+ BMW 135 & 335. We are pleased to introduce the BMS N55 catless downpipe. Not only does removing the factory downpipe eliminate a huge exhaust restriction allowing more power but it also provides a deeper and more exotic exhaust tone. Average gains are 15-20hp and 20-30tq to the wheels with the additional benefit of reduced turbo lag. This 3.5" catless downpipe features CNC flanges and stainless steel construction for long life.
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ar design BMW 135i 335i 4" Hi-Flo Downpipe $659
Fits 2011+ BMW 135 & 335. BMS is thrilled to present ar design's new 135i / 335i / 335xi 4" Hi-Flo™ catless downpipe for the BMW N55 engine! The only 4" downpipe currently on the market! In addition to an intoxicating and exotic sound, these downpipes add significant power and virtually eliminate turbo lag!
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ar design BMW 135 / 335 3" Downpipes $799
Burger Motorsports is extremely excited to present ar design's BMW 135 and 335i 3" Hi-Flo™ Premium downpipes! The only TRUE 3" downpipes currently on the market! In addition to an intoxicating and exotic sound, these downpipes add significant power and virtually eliminate turbo lag, making the N54 engine even more responsive!
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Active Autowerke 135 335 Downpipes (N54) $599
A turbo impeller wheel speed is mostly limited by the exhaust back pressure within the system. If one could eliminate some or most of this exhaust back pressure, the turbo will spool that much faster and effortlessly resulting in quicker engine revs and increase HP. The Active Autowerke Signature down pipe is designed with the intent to maximize in power.
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