BMW M240i XperTune Performance Software Exterior DELETED or Butchered catalytic converters

DELETED or Butchered catalytic converters then do yourself a favor and UPGRADE your car with a set of Fabspeed HJS German high-flow trimetallic OBD2 European Certified Homologated catalytic converters

Expect an intoxicating and menacing barrage of pops and crackles upon deceleration

Fits the McLaren 650S 2014+ and MP4-12C 2011+

With just this simple modification we saw a +7

BMW M240i XperTune Performance Software Exterior DELETED or Butchered catalytic convertersAchieve maximum power from the M240i without sacrificing drive ability or reliability by optimizing the engine's air fuel ratios, timing, and more. We set out to extract maximum possible gains out of the M240i while keeping the operating parameters safely within the confines of reliability and longevity. Fabspeed Motorsport offers an alternative tuning method for vehicles equipped with ECU's that traditionally required bench flashing. No longer do you