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2.7 Biturbo Blowoff sound

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Old 10-19-2010, 02:08 PM
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Default 2.7 Biturbo Blowoff sound

Hi, im wondering how i can get blowoff sound on my 2.7T.
I dont feel like changing the valves... Somebody just told me that its enough to change stock AIRFILTER to K&N Air Filter, is that right?
Old 10-19-2010, 02:33 PM
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You'd need to replace the diverter valves (which vents excess boost back to in input side of the turbo) with blow off valves (which vent the excess boost into the atmosphere).

Not sure why you'd want to do that though.
Old 10-19-2010, 02:44 PM
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Nah im not doing it, i just wanted to have a little sound, im keeping my car all stock, its good as it is, i may just change the filter to K&N
Old 10-19-2010, 05:08 PM
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Is the difference between the OEM and the K&N is that much ???
Old 10-21-2010, 05:58 AM
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No...

Be careful with K&Ns...over oil them and they'll ruin the MAF sensor. Try an ITG filter if you want a bit more sound....or S6/RS6 rear exhaust cans.

Just my 2 cents 8-)
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