Fabspeed California T XperTune Performance Software Suspension Cat-Back 100% emissions legal inall

Cat-Back 100% emissions legal inall 50 states and worldwide

Simply flash your M3 with a Fabspeed ECU Tune utilizing the included handheld tuner

With Sport mode activated burbles and backfires erupt in abundance on overrun

recommended for track and off-road use

This yields high performance gains and longevity so it wont deteriorate over time like lower grade catalytic converters

Fabspeed California T XperTune Performance Software Suspension Cat-Back 100% emissions legal inallAchieve maximum power gains without sacrificing drivability or reliability. Maps are available for completely stock cars and modded alike. Increase the power and drivability by optimizing the ECU. We've had ample time with California T's on our in house Dynojet to unlock extra power on both stock vehicles and optimize performance with Fabspeed exhaust components. Once we receive your ECU, our tuner bench flashes it with the upgraded ECU map and we