true dual exhaust
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Supreme Member
iTrader: (4)
Joined: Nov 2003
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From: santa barbara,ca
Car: 1990 iroc z
Engine: LSX 376 F1A
Transmission: 4l60e
Axle/Gears: 12 bolt 3.42
true dual exhaust
will true dual exhaust a dual cats pass california emissions??
Senior Member
Joined: May 2004
Posts: 608
Likes: 1
From: Oshkosh wi
Car: 77 Firebird
Engine: 454
Transmission: th350
Axle/Gears: 4.10
I am not familiar with the dual cat set up that came on some of the 3rd gens, but it may be possible as long as everything from the cats forward is emmisons legal. Your best bet is to call someplace in your area that does the testing and ask them.
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