Any #'s from the QTP headers yet?
#1
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I was just wondering if QTP has any dyno #'s on their headers. Just wondering if they have anything to offer over my TPIS headers.
#3
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I just had mine installed, car was 311hp/320tq before headers/catted y, 322/333 after headers, and 348/359 after tuning. Not bad for a car that only has the headers, cat back and an air lid. Y pipe didn't fit so great, alot of interference with the spohn torque arm mount, but the shop got it on, and it definately sounds killer with the loudmouth.