2009 audi a4 2.0 turbo
2nd Gear
Joined: Jul 2009
Posts: 661
From: Colorado
2 options for starters:
1) Install an after market intake. By taking away all that insulation Audi added you will have a better sound
2) If #1 is not enough replace the stock Diverter Valve (DV) with a Blow-off-Valve (BOV).
1) Install an after market intake. By taking away all that insulation Audi added you will have a better sound
2) If #1 is not enough replace the stock Diverter Valve (DV) with a Blow-off-Valve (BOV).
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xoutofstepx
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Jun 25, 2009 12:57 PM
2009A4Sline
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Jan 5, 2009 07:04 PM
