COBB TUNING MITSUBISHI SS 3" CATTED MID-PIPE EVO X 2008-2015, RALLIART 2009-2015 FUEL SYSTEM 2011 BMW 135 i AT

2011 BMW 135 i AT USDM

Plus upgraded HPFP internals to keep the fuel supply happy and lastly

Accessport V3 - included OTS maps make tuning quick and easy

KW Dealer Provides OTS Maps for Stage 1 vehicles

COBB TUNING MITSUBISHI SS 3" CATTED MID-PIPE EVO X 2008-2015, RALLIART 2009-2015 FUEL SYSTEM 2011 BMW 135 i ATDESCRIPTION The COBB Tuning Mitsubishi "Mid Pipe" features a custom spun metal substrate high flow catalytic converter. This one piece 400 grade stainless steel cat has a much higher flow rate and longer lifespan compared to ceramic or "brick" style cats. It also reaches operating temperature faster than other style cats for cleaner cold start emissions. An O2 sensor bung is located after the cat to be used by the second OEM O2 sensor. All tubing used