- Thread starter
- #21
Take off res. tooSo just took off my muffler today and it sounds awesome. Pretty loud but not to bad. No rasp just super deep. Likin it for now.

Take off res. tooSo just took off my muffler today and it sounds awesome. Pretty loud but not to bad. No rasp just super deep. Likin it for now.
it will not. no part of the 9th gen si exhaust will fit the r18 without heavy modification.Or does anyone know if the si mid pipe will bolt directly onto r18s?