Headers for a 3.1
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Joined: May 2005
Posts: 239
Likes: 1
From: California
Car: 1991 Z28 Camaro
Engine: 5.7L V8
Transmission: auto
Headers for a 3.1
Help! I live in California and want to put some headers on my 1991 3.1 Camaro, but no one seems to make any smog legal ones. Any ideas?
Can I use 2.8 headers and keep it smog legal, OR DO I HAVE TO PASS SMOG, PUT HEADERS ON AND CHANGE BACK IN 2 YEARS FOR THE NEXT CHECK?
Can I use 2.8 headers and keep it smog legal, OR DO I HAVE TO PASS SMOG, PUT HEADERS ON AND CHANGE BACK IN 2 YEARS FOR THE NEXT CHECK?
Supreme Member
Joined: Nov 2002
Posts: 1,832
Likes: 1
From: Castaic, CA
Car: 1988 Camaro RS
Engine: 2.8L of Raw POWER!!!
Transmission: Stick Shift
Axle/Gears: 3.42's
Help! I live in California and want to put some headers on my 1991 3.1 Camaro, but no one seems to make any smog legal ones. Any ideas?
Can I use 2.8 headers and keep it smog legal, OR DO I HAVE TO PASS SMOG, PUT HEADERS ON AND CHANGE BACK IN 2 YEARS FOR THE NEXT CHECK?
Can I use 2.8 headers and keep it smog legal, OR DO I HAVE TO PASS SMOG, PUT HEADERS ON AND CHANGE BACK IN 2 YEARS FOR THE NEXT CHECK?

It does depend on where you go though. Some techs don't check it, they just want to see that you have an E.O.# and that's it, they don't check application.
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