LS1 vs LT1 Exhaust
TECH Fanatic
Joined: Oct 2003
Posts: 1,101
Likes: 0
not sure what your saying? are you wanting to buy ls1 headers and put them on your car? or are you just talking about the cat back.
the headers wont work.
the exhaust will work, you will just have to modify it alittle where it meets the cat. cant remember if you need to add or remove some of the pipe.
the headers wont work.
the exhaust will work, you will just have to modify it alittle where it meets the cat. cant remember if you need to add or remove some of the pipe.
Joined: Oct 2005
Posts: 1,419
Likes: 1
From: Holland Twp/Milford, New Jersey
An LS1 Y-Pipe will not fit with LT1 Headers at the collectors. It's also a b-word to modify a Y-Pipe, as well. You're better off staying safe and getting an application-specific set-up.
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Teching In
Joined: May 2006
Posts: 21
Likes: 0
From: York,PA
i'm actually in this perdicament myself with my friends ls1 slp loudmouth off of his 99' camaro ss. it is shorter because of the length of the ls1 y-pipe, which is longer. I will have to put in a piece of pipe that is around 18" with a mandrel bend in it so it will mate up to the gutted lt1 cat/y-pipe/header system.
