Quote:
Originally Posted by BarryJI
I am also in CA and have the Dinan catback pipes. Small HP bump, great sound compared with stock, well worth it. FWIW, I wouldn't dream of getting a cosmetic twin exhaust setup. For a start, would there even be a compatible diffuser?
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Quote:
Originally Posted by Scibike1874
It's a slightly challenging process. I could either have the stock diffuser cut to accommodate the other exhaust tip. I could aslo find a stock or a carbon fiber M235i rear diffuser. I saw a post not long ago online of someone using an M235i M performance exhaust on a 228i. It sounded great in a parking garage. I have an msport x drive 228i. My options are limited. It's costly just for the second exhaust tip.
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All M235i stock and aftermarket diffusers are compatible with the 228i/220i diffusers provided you have the M Sport rear bumper and matching exhaust. 35i exhausts will fit directly except for the midpipe connection which will require some custom work as the diameters are different