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  1. #1
    canuck's Avatar
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    Why hard pipes for External IC ?

    Looking through the oem parts diagrams the stock external IC hoses are labelled hoses so I'm assuming they are rubber. The Fizzle kits come with couplings and hard piping and Rivas power cooler kits come the same with couplings and hard piping, Riva also have a piping upgrade kit for some models to replace the rubber hoses.

    What is the benefit to hard pipes vs rubber hose ?


  2. #2
    The rubber hoses have lots of bends that is not good for high speed air flow.

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  4. #3
    carlosdelgado's Avatar
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    Also, The factory rubber hoses swell up under normal engine temperature. So, By installing these aftermarket/aluminum pipes you'll eliminate this issue and gain some air flow at the same time.

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  6. #4
    canuck's Avatar
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    I was thinking of using something like this depending on how flexible it is.

    http://www.gates.com/products/indust...-exhaust-100sd

    Overkill but I doubt it will swell with heat and will allow smooth sweeps.

  7. #5
    shrabber's Avatar
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    The biggest reason for hard piping and this goes for serious race cars!!!

    With Rubber piping You have the chance of collapsing

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  9. #6

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    Quote Originally Posted by canuck View Post
    Looking through the oem parts diagrams the stock external IC hoses are labelled hoses so I'm assuming they are rubber. The Fizzle kits come with couplings and hard piping and Rivas power cooler kits come the same with couplings and hard piping, Riva also have a piping upgrade kit for some models to replace the rubber hoses.

    What is the benefit to hard pipes vs rubber hose ?
    I know don't have much room to talk based on my spending habits, but I don't see much advantage if your leaving the IC stock location and not boosting like crazy. So many other things you could spend money on that would be better. Take some big tie wraps and wrap them every 3 inches and that will keep the hoses from expanding and make the throttle response feel a crisper.

  10. #7
    Quote Originally Posted by carlosdelgado View Post
    Also, The factory rubber hoses swell up under normal engine temperature. So, By installing these aftermarket/aluminum pipes you'll eliminate this issue and gain some air flow at the same time.
    I would be shocked if that was the real source of anything you could feel from the seat. Air pressure equalizes really fast on hoses that large.

    Quote Originally Posted by shrabber View Post
    The biggest reason for hard piping and this goes for serious race cars!!!

    With Rubber piping You have the chance of collapsing
    Those tubes should never be under significant vacuum. You most likely have serious air filter issues if that is the case.

    Andy

  11. #8
    NateRXP's Avatar
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    Why hard pipes? Well because they look bad ass. End of story. Click image for larger version. 

Name:	ImageUploadedByTapatalk1416671861.999691.jpg 
Views:	132 
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ID:	347183

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  13. #9
    I can certainly accept that as an answer.

  14. #10
    canuck's Avatar
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    Quote Originally Posted by VXRslayer21 View Post
    Why hard pipes? Well because they look bad ass. End of story. Click image for larger version. 

Name:	ImageUploadedByTapatalk1416671861.999691.jpg 
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    No argument there.

    I am adding an external intercooler to the 05 GTX, I ordered the factory bracket off an 08 RXT-X and I already have the intercooler so once everything is in place I have to get creative with the piping. I'm trying to keep the factory exhaust including resonator. I'll post some pics when the IC is in place.

    Can the water lines be routed the same as a 215 model ? Pump -> IC -> Exhaust manifold. Do I need to change the washer at the pump shoe ?

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