Offroad pipe for dual cat cars?
Senior Member
Joined: Jul 1999
Posts: 994
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From: San Diego, CA
I did this before, but it took finding the "right" person. It was a small exhaust shop in Los Angeles. He flanged my cat first. He then took a test pipe, and matched the flanges to be the same as my cat. He installed my cat with a slip on tube for the AIR injection, handed me the test pipe and told me to have a nice day. He said that as long as I was driving off his lot with a fully functional, installed cat, he didnt care. 
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1989 IROC-Z 5.7L
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1989 IROC-Z 5.7L
Thread Starter
Senior Member
Joined: Oct 2000
Posts: 916
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From: Tennessee
That's what I was thinking. Probably best for me to have someone fabricate one so I can take my cats off and bolt them back on in the event that I need to pass emissions. Should be easier to find someone here in Tenn. to do that than in Calif. too. Thanks, man.
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