Header Question

[garver]

Are than any Stainless Steel headers that allow me to keep my stock Cats? Also will I need to get an aftermarket y-pipe?

[Sunset T/A]

No. You will have to choose a brand of headers, and then get their
High flow catted Y-pipe to match them. Example: Kook's Headers and Kook's Catted Y-Pipe. I will say, I love my Kook's set-up, IF you can afford it. It's really expensive, but you only get what you pay for.

[nhraformula]

stock cats will not work

[INMY01TA]

Only headers you can use with stock y/cats are shorties and, well, why bother? Long tubes and mid lengths will require new y/cats.

[jag42420]

Only headers you can use with stock y/cats are shorties and, well, why bother? Long tubes and mid lengths will require new y/cats.

Exactly, and your stock manifolds flow better than most shorties.

[Z ROADSTER]

Exactly, and your stock manifolds flow better than most shorties.

Right ! I've read where the 2002's come with the 02 / Z06 exhaust manifolds which flow much better than earlier year LS1's.