S4 (B6 & B7 Platforms) Discussion Discussion forum for the B6 Audi S4 produced from 2003-2005 And B7 Audi S4 produced from 2005 -2008

Those with Hyperflow

Old 07-23-2004, 07:33 AM
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Default Those with Hyperflow

How much noise is generated? Do you find it to be too loud or fine? Thanks..
Old 07-23-2004, 07:39 AM
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law
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Default barely notice anything, until you are at full throttle around 4,000 rpms..

then you can hear the front bumper and hood fighting to keep from being sucked into the intake. this is only with the windows open.
Old 07-23-2004, 07:56 AM
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Default You can hear air being sucked in with the windows down and around 4k rpms...

but other then that, you'll be hard pressed to hear much.

If your outside of the car and near the front end, have somebody blip the throttle and you'll hear this "boom" as the air gets sucked in to the air filter, and that's due to the design of the intake cone. But inside the car, and with the windows up, you won't hear much...but you sure do feel it.
Old 07-23-2004, 08:11 AM
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Fine, noticeable. Sounds amazing.
Old 07-23-2004, 08:18 AM
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pretty much my impression, and you're right, you sure do feel it!
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