To those that have T.E.S Headers, what diameter cat do I need. It has been so long since I replaced this cat that I can't seem to remember? Is it a 3"? Thanks.

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1991 Camaro Z28
305TPI Auto
S/R Torquer Heads
LPE216 Cam
TES Headers w/3" exhaust
Homemade AFPR @50psi
Hypertech Chip
K&N's
More on the way...

 

What do you need a cat for?? Who cares aobut global warming, lose the damn thing. It will sound better anyways.

[This message has been edited by un4givin89 (edited August 08, 2001).]

 

Have the best of both worlds...go to Pep Boys and get a 3" header collector flanges, then weld one on to the Y-pipe and one on the cat. Now you can switch between gutted and stock cats in 5 mins! Works great for me!

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1988 IROC 350
Vette heads, SLP headers/Y-pipe,No EGR.