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Old 12-16-2007, 08:48 PM   #6 (permalink)
J-(Chicago)
Seasoned beater pilot.
 
Join Date: Jan 2007
Location: Chicago
Posts: 1,646
Take a crayon and draw a thick line down your exhaust until about the middle of the car.
Then start it up and go race a 1/4 mile.
Where ever the crayon is still left unmelted, is where it's safe to dump your exhaust off at.
My opinion only, though.

I believe having an X pipe and full exhaust is worth more horsepower than straight dual exhaust, however.
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