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Thread: Exhaust bore size

  
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    SRI-T Keithy's Avatar
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    Exhaust bore size

    I wondered if you could poor old me lol.

    I have done a quick search but cant find anything.

    What I want to know is what is the best size bore for a Z20LET that will prob only be tuned to 260bhp. Also size is best for a Z20 LEH that is going upto 300 bhp ish

    White is the new Black

    FARMYARD TUNING

    LEH IS THE FUTURE

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    astra_dave's Avatar
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    2.5 in bore mate, anything bigger isn't really needed IMO - reason i say this is, i've got a 2.5in miltek system, with phase 3.5, and thats about 285bhp, and i don't need to change it for a long time
    Quote Originally Posted by aussiegman View Post
    You know me so well and not even dinner, a movie and some flowers Tony. What sort of man do you think I am!!!!!

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