QTP and Kooks y-pipe interchangable?
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From: Franklin Lakes, NJ
QTP and Kooks y-pipe interchangable? like the title says... i have QTP headers and am wondering if a Kooks Y-pipe will fit. i'm pretty sure the header designs are similar so i'm figuring it might work. i tried searching but search only picks up peoples signatures 
thanks
Jacob
thanks
Jacob
Well most things will fit with a BFH. I bet that you have to tweak it slightly just like any exhaust setup. It is a miracle getting anything to fit "right" without some modification.
Search filters out signatures. 
You will probably have to cut/weld something at least once to make it work, but you could do it. It would probably be easier/cheaper to just have a custom one built.
You will probably have to cut/weld something at least once to make it work, but you could do it. It would probably be easier/cheaper to just have a custom one built.
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Originally Posted by TheBlurLS1
Search filters out signatures.
You will probably have to cut/weld something at least once to make it work, but you could do it. It would probably be easier/cheaper to just have a custom one built.
You will probably have to cut/weld something at least once to make it work, but you could do it. It would probably be easier/cheaper to just have a custom one built.
anyways thats what my buddy has been telling me. get a custom built y-pipe with a nice merge collector. the only thing is theres only one custom exhaust shop i know of around here that has a mandrel bender and i don't like them. had a bad experience there and dont plan on going back. maybe i'll just stop being a baby and get a qtp y.
I have seen this question pop up a bit here and there and the results are always the same- pretty much no. Like Blur said,
Y pipes are usually designed to be compatible with the company who makes the headers and are usually tested that way also in regards to flow and #'s. Im sure you could try making it fit, it'd be nice- both are stainless, but Im positive you'd have to make some modifications. I went to my shop who does SS tubing with custom mandrel bends and they couldnt on me which they claimed they made, and were also priced out for me at $1300, labor not included. I said F-That and just got myself some Kooks and catted-y. Good luck though!
Originally Posted by TheBlurLS1
You will probably have to cut/weld something at least once to make it work, but you could do it. It would probably be easier/cheaper to just have a custom one built.
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From: Franklin Lakes, NJ
gotcha... i heard somewhere that kooks and qtp has the same header designs with only minor changes. i figured maybe then the y-pipes would work. i wish i had some better tools and such to make my own y-pipe
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From: Franklin Lakes, NJ
Originally Posted by orangeapeel
Depends on the collector... but there isn't a cure-all y-pipe design out yet...
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Originally Posted by JRracing
I have a dual QTP cut out Y pipe for sale with the motors. I could save you some money. PM me if interested. It's in the FS section.
The trick to make the Kooks Y fit the QTP headers is to either cut 1" off the collector, or cut 1" to 2" off the slip fit on the y-pipe and have it re-expanded so it slips farther up the collectors.
If you do not trim it, then it bang the floorboard like crazy. Make the necessary trims, and it fits like a glove with no banging.
If you do not trim it, then it bang the floorboard like crazy. Make the necessary trims, and it fits like a glove with no banging.
i just finished the thread I made about the kooks y-pipe
https://ls1tech.com/forums/showthrea...16#post6717716
https://ls1tech.com/forums/showthrea...16#post6717716
