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Thread: GruppeM "RAM AIR SYSTEM" RS4.

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  1. #1
    Registered User
    Join Date
    Jan 2007
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    339
    Ram air is BS. You cannot create boost just by sticking your intake in the airstream. The air just takes the path of least resistance, which is around the intake.

    If it was that simple, all cars would have huge trompet intakes.

    Air speed as well doesn't increase you intake capacity. This has to do with air mass fluctuation and turbulance. Cars are fitted with variable intakes to actually slow down the air, to get more air into the cilinder.

    There's a reason why you never see any proper race cars with those hot rod hood scoops. Race teams are actually more likely to close up standard "speed holes" for aerodynamic effeciency.
    And most race cars use the factory air box, b/c the engineers didn't put it there at random.

    And you want to avoid putting your intake near the hot radiator, which is exactly what they have done here.
    Mazda MX-5 (Miata NB)

  2. #2
    Registered User The Pretender's Avatar
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    Nov 2007
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    Quote Originally Posted by PeterJohn View Post
    And you want to avoid putting your intake near the hot radiator, which is exactly what they have done here.
    They have not.
    This GruppeM R.A.S use the same air inlet as the OEM airbox do.
    Only the flow of the system is better.

    Jarod.

    btw, the OEM airbox is also a sound silencer, The GruppeM is a open system for more intake sound.
    There are pretenders among us.....
    Geniuses with the ability to become anyone they want to be.....

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