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Does anyone know where i can get one, or has anybody installed one? I know people usually dont put blow off valves on an SUV but i think it would be a cool mod. My friend has an A4 with a Forge blow off valve and i just love the extra sound it makes. I was wondering since the Q5 and the A4 have the same engine, can i install the same one he has?
 

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Presumably this will invalidate any warranty?
 

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Im sorry but why would you want a quality made Audi to sound like an old escort RS turbo. The whole idea of the blow of valve was to reduce turbo lag when using huge turbos. Your Q5 should not suffer from turbo lag.
 

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Discussion Starter · #7 ·
Im sorry but why would you want a quality made Audi to sound like an old escort RS turbo. The whole idea of the blow of valve was to reduce turbo lag when using huge turbos. Your Q5 should not suffer from turbo lag.
the reason i want to do this isnt for a performance boost. if i wanted a performance mod i would chip it. I love the sound that turbos make with a blow off valve.
 

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I think you'll find all turbo cars these days have a BOV regardless of turbo size. The only thing is that they vent to the upstream side of the air flow sensor into the intake plumbing so you can't hear the discharge.

If you just want the noise then try disconnecting the pipe on the inlet side (but block off the resultant hole). If you think it sounds good then go and get yourself a nice bling one with a nice "choof" to it.
 
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