You should have checked out the threads concerning gapping your plugs. Most folks running a screamin demon and double platinums are running plug gaps of, .040 to .045. I have an 03 non-turbo and mine are gapped at .045. Runs great too.
Did you reset your computer after the install? Just disconnect the battery, wait a few minutes and reconnect. After I reset the computer my milage went through the roof. I just saw a real world 28.75 MPG at 75MPH. Thats up from an average of 24.35MPG.
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2003 Black PT with ghost flames, Magnaflow exhaust, cold air intake, lowered, chromed and totally underpowered.
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