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3" SLP Catless Y-Pipe???

This is a discussion on 3" SLP Catless Y-Pipe??? within the External Engine forums, part of the LSx Technical Help Section category; I have the catted 3" Y-Pipe going into a LM system on my car right now with only 3800 miles ...

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    Member Mr. Hyde's Avatar
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    3" SLP Catless Y-Pipe???

    I have the catted 3" Y-Pipe going into a LM system on my car right now with only 3800 miles on the cats, I can't remember the brand right now, but they're suppossed to be the good ones. Hi-Flo bla bla, anyway, the one on the driver side broke loose some of the catayst< correct? and it's rattling real badly. So I'm trying to find out if SLP sells a catless 3" Y-pipe or not. Does anyone know, and if so, could ya steer me in the right direction. Thanks in advance guys!

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    Carless blkSS98's Avatar
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    Yes, they do I just saw it in the new issue of GMHTP. Go to there website and you should be able to find it.

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    Junior Member stevo5662's Avatar
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    along that same note i know slp makes a catless y pipe and they sell it in summit as a kit with long tube headers and its like $900 but they claim gains in the ballpark of 50 ft lbs of torque and somwhere in the 40's for horsepower i think. If it actually does have those gains its well worth the $$$ in my opinion.

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    The Demon Demon_Z28's Avatar
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    Quote Originally Posted by stevo5662 View Post
    along that same note i know slp makes a catless y pipe and they sell it in summit as a kit with long tube headers and its like $900 but they claim gains in the ballpark of 50 ft lbs of torque and somwhere in the 40's for horsepower i think. If it actually does have those gains its well worth the $$$ in my opinion.
    to attest to that, my bud with his SS has over a 30whp gain on pacesetter headers, LS6 intake, 3" slp y-pipe, and 3" cat back with a flowmaster muffler.

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    Member Mr. Hyde's Avatar
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    Thanks for the input guys...after more research, and final exhaustion, I gave up and decided to just go with "test pipes".[found someonewho will weld up a pair for me] After all, the Cats are still functional, and if Washington State ever changes their emission laws, I will be able to just slip them on and get the certification. I contacted LMPerformance, one of our sponsors, and the people I purchased a butt load of stuff from first, and they informed me that SLP does NOT sell a 3" catless Y-Pipe, but I need to go to GMHTP and check that out too. Again, thanks for the help guys!

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