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I need buy blow off for my Passat but i'm not have ideia which you is better...I'm look for one give great sound :lol: like ttcchiiiiiii
:D
thank for help!!!
 

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Hi

If you're looking for that Evo VII sound, I'm afraid you will be disappointed. The 1.8T uses a diverter valve instead of a BOV, and does not vent to the atmosphere, hence no PHSSSSHHHHH sound.

The Divertor valve takes boost, and re-curculates it into the air hose on the low pressure side of the turbo, and therefore doesnt vent.

The problem then comes back to the fact that if you do put in a BOV, then the Aiflow Sensor readings will be wrong concerning the amount of air going to the intake, and therefore your car will run pretty awfully.

There are a few people who have created massively complicated workarounds to this so they can put in say a 50/50 recirc/vent workaround, but IMHO its alot of work for no performance gain.

I personally run a forge DP007, which is a nice DV. Some more people run the Audi TT stock DV, which is the 710N.

Hope this helps,

T.
 
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