I've got a 72 Formula... had it since high school (1985) and just want a great sounding header back system to complement my 420hp 400cid. Some say the Pypes Crossflow others say dual muffler set up... 2.5" or 3" system?
Would appreciate your thoughts and comments...
V/R,
Ty
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US Air Force Retired
"FREEDOMBIRD"
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