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  1. #1
    RC Competitor
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    tmaxx 3.3 exhaust 4908

    My first post must not have worked but trying to see if anyone can tell me why the hole on the Res pipe is smaller than the 4907 or the traxxas Res pipe you can buy from your lhs? I've seen the mods but is it actually do anything to drill them out and by leaving it smaller would you have more bottom end?

  2. #2
    Marshal Double G's Avatar
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    News to me. The 4907 is a 2.4 radio update to the 4908 and they should have the same DC resonator.
    The Super Derecho

  3. #3
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    Yeah its strange I have all 3 09,08 and 07 and my 08 pipe is a smaller hole than the 07 and my traxxas Res after market pipe that's on my 09....but all 3 have the same part number and are dual chamber

  4. #4
    RC Turnbuckle Jr. Wildman4910's Avatar
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    They made the stinger outlet slightly smaller to get it ROAR approved.
    Look out for the tree/crunch!

    LiPo? Naw NITRO!!

  5. #5
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    Thank wildman that's been bugging me forever! Do you think there is any advantage to boring it out;-)

  6. #6
    RC Turnbuckle Jr. Wildman4910's Avatar
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    Not really, it's a very small amount.

    I know people have in the past, but they didn't see a massive improvement, say like going from the plastic pipe to the resonator pipe improvement.

    If you do drill it out, make sure to drill it out straight & not enlarge too much.
    Look out for the tree/crunch!

    LiPo? Naw NITRO!!

  7. #7
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    I didn't really think it did. I'm just glad to finally have an answer. Lol

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