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Old 01-19-2013, 04:58 AM   #32
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Join Date: Nov 2011
Location: British Columbia, Canada eh
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My Ride: Turbo M3 7168 27PSI
Originally Posted by E85head View Post
Where does the HPF downpipe meet up with the factory exhaust? Is it to the section after the headers or rear section? European cars have the stock cats in the section right after the headers..
HPF setup replaces the factory section 1 with a straight 3inch pipe along with the wastage dump tube and then splits into a duel pipe connecting to the factory section 2 which in turn is connected to the stock muffler configuration.
"Horsepower is how fast you hit the wall. Torque is how far you go through it."
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