Active Autowerke Supra MKV A90/A91 3.0 Signature Active Aflow Catted Downpipe m340i It is for RACE and

It is for RACE and OFF-ROAD USE ONLY

but it will also help with your gas mileage

resetting the device after being flashed back to OEM-specs by a BMW dealer became quite problematic

Actual dyno measure results with gains of 7+ WHP over stock configuration

year-2014-make-bmw-model-228i

Active Autowerke Supra MKV A90/A91 3.0 Signature Active Aflow Catted Downpipe m340i It is for RACE andNO PERFORMANCE TUNE NEEDED. Active Autowerke Supra MKV (B58) Aflow Catted Downpipe now includes turbo flange gasket SHIPPING NOW. Please note that we install the gasket into the downpipe flange as some customers were damaging the gasket on installation. In 2012, Toyota approached BMW with a proposal for a joint development effort for a new sports car that would replace the venerable and beloved Supra MK4 which was retired from production in 2002.