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Somebody explain how adding those air diverters, which will supposedly cause more air to enter the stock intake system WHEN MOVING will add power on a dyno? Reason I ask is because if the car is stationary on a dyno, how on earth would you get a power gain? At 70mph on the road, maybe - a little bit of ram-air effect - but not stationary. Save your money.
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2015 F80 ///M3 Sedan 7DCT Tanzanite, 2022 X3 sDrive30i 8AT Brooklyn Grey |