Originally Posted by 03MachMe
how much did you gain. been wondering how much power you would gain with those since the 5.0 already has a shorty type header
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With cats id say roughly 20HP, but it picked up more low end than anything.
I did a o/r x with my previous 11 6M car and while cost/gain is best with this option, you cant beat the sound 5.0's make with a headers.
with the kooks catback the car made 370HP 332TQ through a 6A
headers, kooks, and airaid and TSM tune 391HP 371TQ.
Thanks to PLASMAN i have recently moved to VMP tune
. Lets just say that my previous tune was less than worthy.