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Thread: Wagon resonator delete with Helmholtz chamber

  1. #1
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    Wagon resonator delete with Helmholtz chamber

    Has anyone found an Australian supplier for an R Wagon resonator delete with the nifty Hemholtz anti-drone chamber?

    Could buy from the UK but shipping a nightmare.

    Mk 7 R Wagon Wolfsburg. APR Stage 1. Removable towbar.

  2. #2
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    I havent seen any available here with the helmholtz, but an exhaust shop could make you one.
    2017 Ford Fiesta ST
    2015 Audi SQ5 bi-turbo V6 TDI family hauler

  3. #3
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    Quote Originally Posted by Lucas_R View Post
    I havent seen any available here with the helmholtz, but an exhaust shop could make you one.
    Thanks. I guess it’s time to get out the calculator
    Mk 7 R Wagon Wolfsburg. APR Stage 1. Removable towbar.

  4. #4
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    Quote Originally Posted by hardy_bm View Post
    Thanks. I guess it’s time to get out the calculator
    There are calculators online. I remember a spreadsheet which had different engines listed (4 cylinder, 6 cylinder etc) and then what volume helmholtz you needed to reduce drone at specific RPM. I was going to get 2x of them fitted to my Lexus IS-F V8 a few years back, as after fitting an aftermarket exhaust, i had terrible drone at about 2,000rpm. In the end I decided to swap the rear mufflers for a larger Xforce ones with the Varex motors which managed to greatly reduce the drone so I never ended up going doing the helmholtz path.
    2017 Ford Fiesta ST
    2015 Audi SQ5 bi-turbo V6 TDI family hauler

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