3.5" has a higher critical speed limit than a 3".
Yeah if you haven't welded up the exhaust yet you're golden, just will be slightly lower is all.
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1970 GTO Judge Tribute Pro-Tour Project 535 IA2
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1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car
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