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Old Aug 20, 2017 | 11:28 AM
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Kooks headers. I have an 08 and I found the catted x pipe that goes for $800 new for $350 new so I had to buy it. It's the zo6 x pipe. Will it fit the Kooks Ls3 headers that I have? I need the Z06 pipe for the Z06 NPP set up.
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Old Aug 20, 2017 | 05:25 PM
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I can't answer the question specifically, but since you already bought the Z06 X-Pipe I thought this pic would help out of the Ls2/3 Kooks setup.

BTW, Z06 is known as Bi-Mode and has 3" over axle pipe. NPP is 2 1/2" over axle. I have NPP on mine.




Kooks LTs w/HF Cats and X-Pipe
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Old Aug 20, 2017 | 05:38 PM
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Pretty sure it will fit your headers, but the 3-inch Outlet will not sit your muffler system. I would call Kooks to know for certain.
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Old Aug 20, 2017 | 06:16 PM
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Originally Posted by BigBlok502
I can't answer the question specifically, but since you already bought the Z06 X-Pipe I thought this pic would help out of the Ls2/3 Kooks setup.

BTW, Z06 is known as Bi-Mode and has 3" over axle pipe. NPP is 2 1/2" over axle. I have NPP on mine.




Kooks LTs w/HF Cats and X-Pipe
After a while I found a kooks page that lists there header part numbers that fit there many x-pipes. looks like I'm in luck with the 3in and 3 out listed for z06 working with the headers I bought (non z06). No stress now and saved 4 to 5 hundred bucks. So I can put my Z06 bi mode mufflers right on.
Thanks for the info guys!
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Old Aug 20, 2017 | 06:25 PM
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Originally Posted by Suns_PSD
Pretty sure it will fit your headers, but the 3-inch Outlet will not sit your muffler system. I would call Kooks to know for certain.
I agree. If the x-pipe ends don't match up right at least there all 3in. I'm pretty sure I might have to do some cutting and coupling and might have to drag out the 5lb micro adjuster.
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Old Aug 20, 2017 | 07:17 PM
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Lest set the terms correctly first off
headers
Catted X-pipe
Y pipe
That's the system in question correct?
If you bought the Catted X pipe it will have 3" ends then the Y pipe will have corresponding 3" and then the end section of the Y pipe will have either 3" or 2.5" ends that match up to either Z06 over the axle or regular at 2.5", does that make sense?
Heres my system laid out with 3"x2.5" Y pipe so that I could keep my NPP
Hope that helps
NSF

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