These headers:

Chevrolet/Pontiac: 1982-92 305/350, Camaro/Firebird, 1 1/2 in. primary tubes, 2 1/2 in. collectors, painted, headers

Dynomax headers are computer bent and leak tested, have die-cut exhaust port flanges, and machine formed and hand welded primary tube ends for unrestricted exhaust flow. They come with a black painted finish.

http://store.summitracing.com/global.../WLK-85001.jpg

and,

This cat-back system:

Performance you can feel and hear!

Chevrolet/Pontiac: 1983-92 2.8L/3.1L/5.0L, Camaro/Firebird, 2 1/2 in. dual rear exit, Super Turbo exhaust system

This Super Turbo cat-back exhaust system includes a Super Turbo muffler, aluminized, mandrel-bent exhaust pipe, and mounting hardware. The system fits OEM mounting and hanger positions for easy installation and there's a limited lifetime warranty on the muffler.

http://store.summitracing.com/global.../WLK-17423.jpg

Would this work? How would the cat play into all of that? If anyone can give me ANY information on this, I can use it ALL. Thanks so much.

Chris