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Old 06-02-2011, 04:35 AM   #15
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2.50" for the V6
3.00" for the V8.

Good-luck.
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Old 06-02-2011, 04:37 AM   #16
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Originally Posted by PoorMansCamaro View Post
Just FYI, the stock exhaust piping is 2.25"
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Originally Posted by GoPaul View Post
Where the cutouts will be installed its 2.5. I know. I have already done the install
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Old 06-02-2011, 06:14 PM   #17
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The exhaust sizes are the same for the V6 and V8. V8 does not have 3inch.....2.5 inches from manifolds to the hpipe then drops down to 2.25 (v8 may be 2.5 all the way through). Trust me I know...I just spent a week and half putting on long tubes, high flows, exhaust cutouts, res xpipe, and replaced all pipes with new 2.5 inch tubes.
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Old 06-02-2011, 07:19 PM   #18
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The exhaust sizes are the same for the V6 and V8. V8 does not have 3inch.....2.5 inches from manifolds to the hpipe then drops down to 2.25 (v8 may be 2.5 all the way through). Trust me I know...I just spent a week and half putting on long tubes, high flows, exhaust cutouts, res xpipe, and replaced all pipes with new 2.5 inch tubes.
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Old 10-31-2011, 02:37 PM   #19
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Any try this on a Vert? extra support under might be in the way?
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Old 10-31-2011, 04:36 PM   #20
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I really want cutouts but won't be installing them until after I get a catback exhaust.
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Old 10-31-2011, 08:43 PM   #21
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The cutouts are installed before the H-pipe.
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Old 01-03-2012, 02:55 PM   #22
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to add a tru-x pipe on the V6, is it 2.25 or 2.50?
http://www.autoanything.com/exhausts...A2672A0A0.aspx
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Old 11-27-2017, 06:35 PM   #23
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You are both correct. The stock exhaust is 2.5" from the exhaust manifolds down to the "H" pipe, then 2.25" for the rest of it to the mufflers.
What size X pipe do I use 2.50 or 2.25
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Old 11-27-2017, 08:37 PM   #24
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2.5" in and 2.25" out would be ideal, but if you can't find such a piece then go 2.5" in and out and then reduce to 2.25" at the exit to mate with the existing pipe.
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