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turn a y pipe into a true dual system

This is a discussion on turn a y pipe into a true dual system within the External Engine forums, part of the LSx Technical Help Section category; Ive been thinking about getting rid of my mid length headers for a LT setup with true duals. A lot ...

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    Just a souped up sunfire. Ryans99LS1's Avatar
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    turn a y pipe into a true dual system

    Ive been thinking about getting rid of my mid length headers for a LT setup with true duals. A lot of true dual systems are pretty expensive and getting one made is also a lot of money so i got to thinking. Lets say you took a QTP y pipe(because it has a flowmaster merge) cut a couple inches off it and then took another flowmaster merge cut the exact same amount off of that one and then welded them together essentially creating an x pipe. from that point on you could either run it out the back or run a small pipe to a to small resonator and turndown before the axle, for those of us that want something loud.

    i was also thinking of just running a borla xr1 off the the end of the merge but i dont really want the exhaust to be restricted by coming down to one pipe so id wanna make the section off the merge as short/efficient as possible by probably just making the merge 4inches to the borla

    im just thinking out loud so this is some food for thought.

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    Senior Member tatertot91's Avatar
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    In theory your idea should work, but i think you'd be better off with a custom setup. You can buy a universal x-pipe kit off of summit and have an exhaust shop fit it to your car for much cheaper than modifying a QTP ypipe

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    Just a souped up sunfire. Ryans99LS1's Avatar
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    you think so if i supplied my own xpipe? i know the QTP y pipe is expensive but if i was to go that i way i wouldnt buy a QTP, there are a couple others out there.

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    Senior Member tatertot91's Avatar
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    Sunset Orange Metalic
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    Thats what i was gonna do, just supply my own parts (x-pipe, mufflers, tips)
    Just pay the labor to have it fabbed up

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    Member JRENIGAR's Avatar
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    OP has a good idea to me, I was thinking about the same thing when I do my headers this spring. I think the purpose of the tsp pipe is for mandrel bends. If you were to rotate the 2nd merge a lil you could probably stagger the pipe outlets to run down the trans tunnel without bending any pipe till after the bullet mufflers. Then just get some turndowns and have a complete mandrel bent dual exhaust for around 500 or so in change. Just a thought though....

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