Quote:
Originally Posted by mike@x-ph.com
Dont think any company makes 228i quad exhaust so you will need to it yourself. If you are building a true quad exhaust, it will be an expensive project ( depends on the quality of the exhaust).
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Is there a diffuser that fits the 228i with the sport line bumper or do i have to change the whole bumper to an m sport bumper in order to get a dual exhaust?