535austin >:]
New member
Its a 1987 Pontiac Fiero has a 2.8 engine full overhaul, big crane cam, port and polish. the manifolds are smoothed out on the inside to open it up a little. its a 5 speed with a stage 2 clutch. question is should i go from downpipe to 3" to cat to 3" to 2" y pipe to 2" dual out? or 2.5 in 2" dual or what do you think? What about mufflers? i was thinking just a cat? or maybe headers?