Quote:
Originally Posted by ModularSpeed  It will give you about 15rwhp. Sometimes less, sometimes more. It will depend on how bad it throws off your fuel trims in your tune. A good tune with the off road pipe will give you the best performance.
The general rule of thumb as far as sound is:
X-pipe with straight thru mufflers
H-Pipe with chambered mufflers. |
Now that is good to know!!!
Good info Kelly!