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aFe Silver Bullet Throttle Body Spacer BMW 135i L6 3.0L TT N54 08-10 Model Number: 46-31002 View Price If you want to improve gas mileage but still increase horsepower and torque then the aFe Silver Bullet Throttle Body Spacer is what you need! aFe designed this Throttle Body Spacer to mix the air to fuel ratio thoroughly by twisting the incoming air which will improving MPG while cruising and provide a increase in horsepower and torque.Features:Increase in MPGImproved throttle responseNo annoying whistleIncrease in horsepower and torqueHigh quality billet aluminum constructionFitment:BMW, 135i, ... |