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Power Strokes
7.3 Aftermarket
When is 4" exhaust not enough??
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[QUOTE="SoCalPSD, post: 59481, member: 1408"] If i remember correctly when i had my exhaust slipped off from the cat (thanks to a retread laying on the free way) and let it blow straight out i had around 21psi at 2500 and with the stack 5in from the cat Im at around 13psi at 2500. Ill see if i can get the two print outs from my trans guy. I noticed these when he was looking at my truck two seperate times. [/QUOTE]
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When is 4" exhaust not enough??
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