Quote:
Originally Posted by NoFear99
Ft86speed factory,
Your car is now equiped with a full exhaust system like the borla's car on their video.
Headers - overpipe - front pipe - Cat-back
If your car only had the headers and the cat-back, do you think it would make it quieter by a lot or just a bit ?

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This would be very quiet, but you wouldn't see really any gains going into a restrictive overpipe.