Quote:
Originally Posted by nmjaxx9
Yes i know about the hiss, which I heard is more with the test pipes. But really less than 5-8?  Thought it would be more, like 12-14 range, thats what I have heard most of these give, anyways thanks for the input.  |
I think if you do HFC/TP as the first breather mod, it does indeed give that much wheel horsepower. Doing them after Intakes or Exhaust will give less - they don't add together like a linear equation.