Quote:
Originally Posted by frank@WSTO
The Hartge 4 tip exhaust will not work on US Model cars due to the carbon canister interfering.
The only options at this point are RPI and the new 3D Design exhaust. The Bastuck and Eisenmann will fit with some modification.
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Hey Frank, how much performance gain do you think would there be for the 128i with the 3d quad exhaust??? And speaking on that note, how much are you guys getting on ur 135i?
