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Headers & Ypipe

This is a discussion on Headers & Ypipe within the External Engine forums, part of the LSx Technical Help Section category; Im looking at getting some stainless steel lt headers, either QTP, KOOKS, or STAINLESS WORKS. I also want a stainless ...

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    Headers & Ypipe

    Im looking at getting some stainless steel lt headers, either QTP, KOOKS, or STAINLESS WORKS. I also want a stainless steel off road y-pipe. Can i use my stock cats with this set up or do i need to get a catted y-pipe?

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    For starters, the difference between a catted Y-Pipe and an Off-Road Y-Pipe is the cats. Catted has them (obviously), ORY doesn't.

    Secondly, because the headers move the Y-Pipe so far down and back, you will need a new/different Y-pipe.

    So your decisions need to be:
    1) Catted or Off-Road Y-Pipe?
    2) Buy it or build it? Most of the header manufacturer's build and offer Y-pipes specifically for their headers, and most offer a catted and off-road version. These will all fit, but some are a PITA or need massaging to fit properly. The other option is to get the headers on the car and have a muffler shop build you a custom Y (with or without cats, depending on the laws in your area and the willingness of the shop to operate in- or outside those laws).

    Hope that helps...

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    thanks. Doesn't really answer my question though. I see now a shop can make one for me.

    If i get for example qtp lt headers can i run my stock cats then an ory, or do i need to get a catted y-pipe?

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    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by 99blueZ
    thanks. Doesn't really answer my question though. I see now a shop can make one for me.

    If i get for example qtp lt headers can i run my stock cats then an ory, or do i need to get a catted y-pipe?
    This makes no sense. Cant have cats then an ory. If you want cats you need to get a catted y. Stock ones wont work.

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    ok thank you - i didnt know if i could use the stock ones. Now i know i need a catted y-pipe.

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    How much do you guys think it would be for a custom y-pipe at a muffler shop? And what would they make it out of? I want a stainless y-pipe. Would a muffler shop not have stainless steel? My goal is stainless steel headers, stainless y, and stainless exhaust (borla).

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    Senior Member Street Lethal's Avatar
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    Quote Originally Posted by 99blueZ
    My goal is stainless steel headers, stainless y, and stainless exhaust (borla).
    You can have anything you're heart desires, for the right price, of course!

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    Senior Member INMY01TA's Avatar
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    I would just get QTP lts and their catted Y. (Kooks are some ugly headers)

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    Senior Member Zboner's Avatar
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    Quote Originally Posted by 99blueZ
    How much do you guys think it would be for a custom y-pipe at a muffler shop? And what would they make it out of? I want a stainless y-pipe. Would a muffler shop not have stainless steel? My goal is stainless steel headers, stainless y, and stainless exhaust (borla).
    dude thats some focking cash to throw at it, i know my custom Y cost me 200 and that was NOT stainless and No cats

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    i know its a lot of $, but im keeping the car for a long time and don't want to worry about rust on any of this.

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    Senior Member Zboner's Avatar
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    yea then that for sure is the only way to go unless you want to replace it every 5-7 years

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