LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Can ls1 catback (gmmg) fit on lt1?

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Old Dec 11, 2003 | 05:56 AM
  #1  
kyzer soze's Avatar
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From: Los Angeles, CA
Can ls1 catback (gmmg) fit on lt1?

I really need to know this answer. Im looking at buying this catback but it was on a ls1. Is this possible? If so is it expensize and can any muffler shop make it fit? Would i have problems with this since i have a lt header's and a hooker y-pipe? I might be buying it used for a good price.

thank you in advance
Old Dec 11, 2003 | 08:40 AM
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Mike383LT1's Avatar
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From: york pa
ls1 catback

slp makes an adapter kit that alows you to install the loudmouth on the lt1 f-body look at there catalog it looks like a small s shaped piece of exhaust pipe that kit should allow you to install this yourself
Old Dec 11, 2003 | 08:57 AM
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2000LS1Z28's Avatar
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Re: ls1 catback

Originally posted by Mike383LT1
slp makes an adapter kit that alows you to install the loudmouth on the lt1 f-body look at there catalog it looks like a small s shaped piece of exhaust pipe that kit should allow you to install this yourself
Exactly, you need a custom "S" pipe made as well as the fact that the hanger locations are different, so those will need to be altered too.

But yeah, any good exhaust shop can make this LS1 based system fit on your '95 no doubt.

Great choice on the GMMG BTW!

Mike
Old Dec 11, 2003 | 10:02 AM
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From: Milledgeville, Ga USA
Or you could just cut the s-pipe off of your old cat-back and grind it down enough to make a slip fit! I've done this while installing loudmouths on a 93Z and a 95Z!!! It's work's great and you save some money!
Old Dec 11, 2003 | 03:07 PM
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kyzer soze's Avatar
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Thank you guys thats music to my ears
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