captainmuskrat
New member
" i'm looking for a higher
" i'm looking for a higher performance exhaust riser (3") that will fit an osco manifold. this is a temporary performance improvement until i can afford a double walled header. anyone have any info on the riser, or advice on what header to buy? it's going on a 350. "
" i'm looking for a higher performance exhaust riser (3") that will fit an osco manifold. this is a temporary performance improvement until i can afford a double walled header. anyone have any info on the riser, or advice on what header to buy? it's going on a 350. "