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11-07-2004, 10:29 PM
6.1 - 6.4%. This would be 20 hp +/- It this correct? Any one ever checked? If all I change is the stock for SS Race will I gain that much?

2004 Cab/6-sp

11-07-2004, 10:31 PM

11-07-2004, 10:33 PM

11-07-2004, 10:42 PM
That and this little passage gives them wiggle room.

"Average % HP gains are as follows: (note: numbers may vary based on the make and model of your vehicle)"

I think most here just kind of read over the performance fluff when it comes to exhausts. That and have conservative expectations on picking up power. 8-10HP being the absolute max for any given muffler on the stock exhaust system.

results not typical :) MCJ
11-07-2004, 11:12 PM

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