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Exhaust hitting floorboard???

This is a discussion on Exhaust hitting floorboard??? within the General Help forums, part of the LSx Technical Help Section category; I just got a custom Y pipe built for my car and it is hitting under the driver side when ...

  1. #1
    danman
    Guest

    Exhaust hitting floorboard???

    I just got a custom Y pipe built for my car and it is hitting under the driver side when I take off in 1st gear or get on it. What can I put between pipe and the car to make it not rattle. I wedged a shop rag in there for now, but I am looking for something heat resistant to put there. I was thinking about a high heat rubber spacer or something like that. I already tried heating it up and bending it down some. That didn't work.


    Does anyone have any ideas on what I can use?

  2. #2
    Senior Member
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    Correct clearance is the answer...might be able to cut an old valve spring and weld it to the pipe if there's enough room.

  3. #3
    Junior Member
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    Arctic White
    1999 Z28 M6

    http://www.thunderracing.com/catalog...&vid=3&pcid=54

    scroll down to the LS1 Bump Stop Hanger made by mufflex!! thats what you need it works great.

  4. #4
    Senior Member 02z28ls1's Avatar
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    navy blue
    2002 Z-28 Camaro M6

    Heat it up cherry red all the way around and have a helper take a big pry bar and bend it down-keeping the flame on it at all times. It has to be hot all the way around in order to bend enough.

  5. #5
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    Grey
    2010 Camaro 2SS/RS CGM

    i would take it back to the exhaust shop and tell them that there isnt enough clearance and they can bend it for you.

  6. #6
    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    I have a pacesetter Y and had that problem at one time. First I used a piece of heater hose and that worked for a while but it falls out eventually and you have to cut another piece to put in there. I finally got under there and loosened the entire exhaust from the headers back to the muffler and by twisting and moving stuff around I got everything to where it doesn't hit anymore. I would try to get under there and adjust it around until you find the spot it likes. The angle of the piece going over the axle makes all the difference. A little move back there will probably fix your problem.

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