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I have VRSF and it sounds just a little louder then stock except when it's in sport and sport plus it pops and burbles and you can hear the turbo spoil pretty clear.
I'm on stock tune.
Plan on tuning soon. I just deal with CEL. Wanted too wait till I had a few more bolt ones and then tune
I got mike off here for $125. I wouldn't over pay for it. It's literally a piece of pipe.
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2012 bmw 335i sedan
VRSF catless DP
VRSF 5? HD IC
Stock intake(had open before and was sick of noise)
BMS CP
550i 351m rims with 275/245 set up.
No tune as of yet.
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