Charge Pipe Kit for 2009-10 (Long Version) 135i/335i/1M N54 Engine (TIAL BOV) 1/8" NPT Bung (Meth):No Bung Introducing our new Competition Series

Introducing our new Competition Series Catless Downpipes for your twin turbo S55 engine

Our downpipes are designed to fit perfectly with either the factory exhaust system or your aftermarket exhaust system

We include only high-quality parts and accessories in our SMIC kit

we incorporate a flex section into our downpipe

Charge Pipe Kit for 2009-10 (Long Version) 135i/335i/1M N54 Engine (TIAL BOV) 1/8" NPT Bung (Meth):No Bung Introducing our new Competition SeriesIntroducing our Charge Pipe for the 2009 10 (Long Version) 135i 335i and 2011 12 1M with the N54 Twin Turbo Engine. Key Features: Made in the USA! Manufactured in house. Increase throttle response and decreases turbo lag. Compatible with TIAL Blow of Valve or TIAL BOV compatible flange (Turbosmart) Lightweight High Grade 6061 Aluminum Piping. Throttle body matched 3" piping. Retains factory style o ring throttle body lock flange. Precision CNC