Quote:
Originally Posted by FR-S Matt
The header is actually the most crucially important part of the exhaust when running N/A. Overpipe and downpipe/frontpipe help a bit here and there. The back half of the exhaust is mostly for sound.
|
HI,
Which brand or design ex. 4-1 or 4-2-1 you recommend for the AT version?
How about the over pipe also?
Thanks a lot.