[Dark_5.0]

Originally Posted by Dog5ohfun

If you are worried about emissions get a nice aftermarket h or x pipe with cats. There is not a big difference between high flow and offroad h pipes. Do not get 3 inch exhaust. When I ordered my Spintechs the rep told me that 3 inch pipes are a way to big and offer no backpressure on a 302 which equals no torque which equals no fun. Good luck with the Dyno tuning

I have a 2 3/4 exhaust system that goes to 3 inch after the H section and I made 295 ft lbs at the wheels.

With a good H/C/I package 3 inch exhaust is sweet IMO.