3" cutout
Thread Starter
Joined: Dec 2006
Posts: 219
Likes: 0
From: Southern NJ
Car: 01 Trans Am Ws6, 92 Camaro Rs
Engine: 6.0, 305
Transmission: T56,700R4
Axle/Gears: 3.90 9", 2.73 10 bolt
3" cutout
I have a 3" electric cutout, and my y-pipe is a 2.5" pipe can I use a 2.5" cutout pipe or will i have to use a 3" pipe
Senior Member
Joined: Apr 2007
Posts: 665
Likes: 0
From: Canada, Vancouver Island
Car: 1990 T-Top Camaro RS
Engine: engineless
Transmission: Trannyless
Axle/Gears: 10 bolt/3.08. soon to be axleless
Re: 3" cutout
if it was me.
i would find a way to stick em on there.
get some pipe that flare to 3" perhaps?
im a real do it your selfer. even if you dont have the right parts or tools to do it.
i would find a way to stick em on there.
get some pipe that flare to 3" perhaps?
im a real do it your selfer. even if you dont have the right parts or tools to do it.
Supreme Member
Joined: Sep 2005
Posts: 1,951
Likes: 13
From: Ottawa, ONT
Car: 1987 Firebird
Engine: 355
Transmission: T56
Re: 3" cutout
I have a 3.5" cutout. A 3" ypupe, and a 2.5" exhaust. Im not sure if the 3.5" cutout was inner or outer diameter, but the muffler shop just mated 3.5" to 2.5". Im not sure what they did, but it just looks like a straight forward weld. Ill take some pix if u want.
If it sleeves on, just use what you have.
If it sleeves on, just use what you have.
Senior Member
Joined: Jul 2007
Posts: 1,461
Likes: 1
From: Manchester, CT + Nashua, NH
Car: 90 Firebird Formula
Engine: LO3
Transmission: T5
Axle/Gears: 3.08 one wheel peel
Re: 3" cutout
Most parts stores should sell an exhaust pipe expander. You might be able to use one of those.
Thread Starter
Joined: Dec 2006
Posts: 219
Likes: 0
From: Southern NJ
Car: 01 Trans Am Ws6, 92 Camaro Rs
Engine: 6.0, 305
Transmission: T56,700R4
Axle/Gears: 3.90 9", 2.73 10 bolt
Re: 3" cutout
On summit i found the cutout pipe which is a 2.5 inner diameter pipe but has a 3" flange for the e-cutout
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