| Re: exhaust question
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.
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'98 N/A Cobra
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