LT1-LT4 Modifications 1993-97 Gen II Small Block V8

size of the stock exhaust tubing?

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Old 04-09-2007, 10:43 AM
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Default size of the stock exhaust tubing?

what is the diameter of the stock I-pipe on a 94 TA? i want to get a cutout but didn't know if it was 2.5 or 3 inch?
Old 04-09-2007, 11:02 PM
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its neither, when i asked this question for the same reason the answer i got was 2.75" i went with a three inch its a little big but a good weld job will do the trick.
Old 04-09-2007, 11:14 PM
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Originally Posted by nomoneyz
its neither, when i asked this question for the same reason the answer i got was 2.75" i went with a three inch its a little big but a good weld job will do the trick.
true story! the stock I pipe is 2.75"
Old 04-10-2007, 09:32 AM
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I went with the 3" and everything is great.



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