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Active Autowerke is proud to introduce our B58 catted downpipe available for the MKV Supra. We are utilizing a GESI catalytic converter that is 49-state legal and will pass emissions testing. Our downpipe begins at 4.5" until it tapers down to a 3.5" flex section, and then it tapers back down...

Hi all! I've created this thread to document the build on our 2020 MKV Supra. We are an established BMW tuner/manufacturer and have been modifying them since the 1980s. We have extensive experience with building and tuning turbocharged engines and also possess in-house manufacturing...

We've had our exhaust system completed and installed on the car for about a week now. It retains the stock valve motor so that comfort and sport modes have different exhaust notes. We used a true 3.5" diameter pipe from the downpipe back to the Y.