Quote:
Originally Posted by J GLASGO
HO cars also got bigger engine pipes. 2 1/4 vs 2
|
Wow. Didnt catch that, ever. 2" on STD GTO?!. Maybe 2 1/4" headpipes. Would guess 2 1/2 headpipes. After decades of non-stock EXH, Im caught flatfooted for stock headpipe diameters.
i thought 68+ used 2 1/2 with 2" tails.