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stock exhaust size?

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Old Jul 4, 2003 | 12:17 AM
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Orinackra
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From: Pittsburgh, PA
Car: 06 SRM M6 GTO, 98 Grand Prix GTP
stock exhaust size?
Hey, can someone tell me quick what is the pipe size of a stock exhaust behind the cat, 91 3.1 firebird. 2 1/2 2 1/4? Thx!
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Old Jul 4, 2003 | 12:29 AM
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From: Pittsburgh, PA
Car: 06 SRM M6 GTO, 98 Grand Prix GTP
Nevermind, I think I found it here link Looks like all thirdgens have 2 1/2 inch pipes. I hope thats right.
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Old Jul 4, 2003 | 07:36 AM
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From: In a mint Third Gen!
Car: Red 87 IROC-Z28 T-Top
Engine: 5.7 Tuned Port Injection
Transmission: 700R4 Auto
Axle/Gears: BW 9-Bolt 3.27
I think it's 2 1/4", the guys on the V6 Board will know for sure.
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Old Jul 6, 2003 | 09:37 AM
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lets just say its small enuff to fit inside my new hooker cat back... with room to spare around the sides....
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Old Jul 6, 2003 | 11:19 PM
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From: Pittsburgh, PA
Car: 06 SRM M6 GTO, 98 Grand Prix GTP
hehehe, thats actually the reason I'm asking, I'm ordering a hooker catback at the end of the week, and for a temp solution, instead of replacing the y-pipe and cat, I'm gonna cut the i-pipe after the cat and put a connecting pipe on so it can be made smaller to larger.
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Old Jul 7, 2003 | 12:00 AM
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Car: '82 Z28
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Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
Well of course anything is going to be a loose fit into a Hooker

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Old Jul 7, 2003 | 03:47 AM
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From: Glen Allen, VA
Originally posted by EvilCartman
Well of course anything is going to be a loose fit into a Hooker

:sillylol:
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Old Jul 7, 2003 | 08:53 PM
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lol, thats funny
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