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  1. #1

    Join Date
    Apr 2006
    Charleston, Sc

    Anyone try a TDR water box in a GPR

    I noticed a TDR (Tony Doukas Racing) water box a while back on ebay. Anyone have any experience with it? I understand that it's louder than stock but are there any gains to be had?

    I just bought a turbo tube and stinger 1 that I'm planning on flow bench testing to compare to the flow values of the cat and D-plated stock pipe. Thought it may be interesting to do some testing on the different water boxes. ie a 2005 vs 2000 vs TDR.


  2. #2
    Hydrotoys's Avatar
    Join Date
    Jul 2005
    Mesa, AZ
    $100 plus shipping, and you can try a brand new TDR one out for yourself!

    I think the initial testing, back a year or so ago by somebody, was to install a blockage inside the inlet, to increase backpressure.

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