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3" Y with stock exhaust??

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Old 11-02-2007, 08:13 PM
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Question 3" Y with stock exhaust??

ok so i bought my car with LT's Y pipe and LM1 i want to sell the LM1 and get stock catback with a E-cut out. can i get the 3" y to fit on the stock exhaust? what size is it? i thought i read it is 2.75 would i just need an adapter?
Old 11-03-2007, 12:32 AM
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any one??
Old 11-03-2007, 12:47 AM
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Yeah you can get an adpater for it. I ran 3" cutout to my stock cat back for 2 years. I would think you will loose power for everyday driving, but at the track when open you will get your 5-10 rwhp back. That was the power difference in my dyno numbers open vs. closed.
Old 11-03-2007, 01:52 AM
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ok cool how does it sound? i have LT and a catted Y
Old 11-03-2007, 12:01 PM
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I have JetHot longtubes, Off road Y pipe, with my stock catback and love the sound...I started with a Borla adjustable, then swapped on a Magnaflow, and the stock sounds the best IMO...

FWIW, I needed NO ADAPTERS whatsoever. I did remove the stock "clamp" from the "I" pipe and replace it with a stainless band clamp for a leak-free seal though.

Here's my car (before cam swap):

http://www.youtube.com/watch?v=hEgyalIVm5E

Unfortunately, none after cam swap as wife has evidently lost our camera...
Old 11-03-2007, 02:49 PM
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haha nice sounds good! how loud is it? i have SLP LM1's on right now. and i am selling it for stock exhaust and 200. cuz i want quiet and then the cut out for when i want it loud!!

Originally Posted by rel3rd
I have JetHot longtubes, Off road Y pipe, with my stock catback and love the sound...I started with a Borla adjustable, then swapped on a Magnaflow, and the stock sounds the best IMO...

FWIW, I needed NO ADAPTERS whatsoever. I did remove the stock "clamp" from the "I" pipe and replace it with a stainless band clamp for a leak-free seal though.

Here's my car (before cam swap):

http://www.youtube.com/watch?v=hEgyalIVm5E

Unfortunately, none after cam swap as wife has evidently lost our camera...
Old 11-03-2007, 03:45 PM
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Thanks! It isn't really all that much louder now, but seems "deeper" toned if that makes sense.
WOT at 6700 sounds very nice though.

Last edited by rel3rd; 11-03-2007 at 03:53 PM.




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