test pipe or high flow cat
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Joined: Nov 2006
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test pipe or high flow cat
which is better, i don't have to worry about emissions so i don't want to hear the it won't pass emissions without a cat. i am leaning towards a test pipe coming off my hooker headers and 3" y pipe.
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Joined: Jul 2003
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From: any clime or place...
Car: 1987 Camaro SC, 1999 Z28
Engine: GMPP 350HO, LS1
Transmission: Built 700r4/EDGE 3200, T56
Axle/Gears: 3.42 Eaton 7.625, 3.42 Zexel Torsen
Re: test pipe or high flow cat
pipe it. then plant a tree somewhere to make up the difference.
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Joined: Jul 2001
Posts: 5,225
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From: Buffalo, NY
Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
Re: test pipe or high flow cat
There is a lot of information if you use the search feature. A nice High-Flow convertor will not hurt performance, and will make your car smell better.
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