Originally Posted by Chevy Fanatic
Anybody know what cats are being used with the long tube headers? Making this kind of power is it just a matter of time before the cats fail? I thought with anything north of 600hp no cats on the market will survive?
The #001 ZL1 does not have cats on it right now for testing (for off road use only). We have built may Camaros with 600 plus rwhp and Cats with NO issues. My Camaro has 650 rwhp with cats and over 10,000 miles, with no issues.