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		Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars > The Garage - Tech Forums > Exhaust
info on the size of exhausts on a 3.9 CFI

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05-23-2004, 19:45	#1 (permalink)
SWIFT_05 Registered User Join Date: May 2004 Posts: 5	info on the size of exhausts on a 3.9 CFI i put up a post reasently asking about the size of the exhaust system and everyone told me that i should purchase a 2.5 for a 3.9 but i forgot to mention that i have a CFI so will a 2.5 be too much or will a 2.5 be a good size

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05-23-2004, 20:59	#2 (permalink)
EAtDUST Registered User Join Date: Sep 2003 Location: perth Age: 33 Posts: 295	Re: info on the size of exhausts on a 3.9 CFI 2.5' is perfect. The fuel delivery has no effect on exhaust unless you're boosting.

05-23-2004, 22:02	#3 (permalink)
Mike Gayner Proud Ford Owner Join Date: Jul 2003 Location: New Zealand Posts: 799	Re: info on the size of exhausts on a 3.9 CFI EAtDUST, you're kidding, right? Fuel delivery has no effect on exhaust? The things some people come up with....

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