exhaust pipe sizes

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exhaust pipe sizes

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Blazer Forums >> Modifications >> Performance & Brainstorming >> Headers, Intake, & Exhaust >> exhaust pipe sizes

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exhaust pipe sizes - 3/26/2007 4:09:11 PM

vtboss54

Posts: 7
Joined: 2/12/2007
Status: offline

I have 95' 4.3L and Im trying to put a magnaflow on it instead of the stock, I'm wondering if anybody knows the size of the pipe that comes from the flange, to a stock muffler? (outer diameter a preference) because Im going to have to use that piece inorder for it to work.

thanks

Post #: 1

RE: exhaust pipe sizes - 3/26/2007 4:57:18 PM

EuroGoldLS

Posts: 3121
Joined: 2/9/2007
From: Princeton, NC, USA
Status: offline

on the stock exhaust that I had on my 2000, the pipe from the cat to the muffler was 3'' and from the muffler to exit was 2 1/4''. I recommend a 3'' from the cat to muffler, and 2 1/5 to exit. I also think that magnaflow is not a great exhaust and Flowmaster 40's perform better and sound better compared against the magnaflow cat back system.

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My theory is that every disrict in the USA tries to send their lying scumbags to either prison or Washington D.C. -rivereye

(in reply to vtboss54)

Post #: 2

RE: exhaust pipe sizes - 3/27/2007 12:13:53 AM

vtboss54

Posts: 7
Joined: 2/12/2007
Status: offline

Thanks for the help Im gonna try it out this week, Yeah I checked the sound clips on some other posts(wasnt too impressed with the magnaflow, but a friend of mine got new exhaust and the stock one i have on is just about shot) so Im not really looking for sound just a functional muffler

(in reply to EuroGoldLS)

Post #: 3