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Thread: courtenay top hat.

  
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    slim-shany's Avatar
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    courtenay top hat.

    does anyone know if it fits in with regals powerpipe and hose,or will it need differant hose??would like to keep powerpipe if can..on a z20let.

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    sam vx's Avatar
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    no it dunt i asked the same question to courtney you have to get bigger diameter hoses like the ones they advertise for the top hat

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    like this you mean



    thats a pwr boost pipe, there was about 10mm or less gap between the end of the top hat and the end of the boost pipe.
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    so all i need is a reducer pipe?is that boost pipe made to work with standard top hat,is so all i need is a new reducing joiner.can you tell me the diamiter of the courtenay one(please).

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    i know this is totally off subject but thats a z20let? ive got the same car but with the standard air box with a k and n panel filter does that dbilas flowmaster make a big difference? i realy want one but there expensive and dont know anyone with it fitted to the z20let, spoke to someone at my local performance garage and he said that a diesel airbox will get me same results? but i dont really want to be telling everyone ive got a diesel airbox on my car lol. cheers

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    3/4 of astra turbo owners have the cdti airbox me included
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    Quote Originally Posted by slim-shany View Post
    so all i need is a reducer pipe?is that boost pipe made to work with standard top hat,is so all i need is a new reducing joiner.can you tell me the diamiter of the courtenay one(please).
    yes that power pipe was made to fit the oe top hat, i cant remember exactly the size is of the courtenay one but 60 or 63mm rings a bell
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    Quote Originally Posted by mcthornett View Post
    i know this is totally off subject but thats a z20let? ive got the same car but with the standard air box with a k and n panel filter does that dbilas flowmaster make a big difference? i realy want one but there expensive and dont know anyone with it fitted to the z20let, spoke to someone at my local performance garage and he said that a diesel airbox will get me same results? but i dont really want to be telling everyone ive got a diesel airbox on my car lol. cheers
    i think its a good bit of kit, cant really say as i fitted it with a large tophat and fmic. but i wanted to be diffrent and they look more appealing in my eyes to the derv box
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