Originally Posted by fast99tl
They aren't as bad as everbody been saying they are. You can usually expect about a 10 horsepwer on some cars a 20-25 horsepwer gain can be evident.
and a intake will give you 15 H.P.
and a muffler will give you 10 H.P.
:huh: Man my car must be puttin out 130 H.P. then!
Ssssuuurrrrreee it does.
:huh: