aFe Power 46-33010 - Silver Bullet Throttle Body Spacers TBS Ford F-150/Mustang GT 2011-12 V8-5.0L margin_20 950 rpm when tested on

950 rpm when tested on The Akrapovic dyno against a Toyota GR Yaris with a standard stock exhaust

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Bottom Inside Diameter: 5

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aFe Power 46-33010 - Silver Bullet Throttle Body Spacers TBS Ford F-150/Mustang GT 2011-12 V8-5.0L margin_20 950 rpm when tested onaFe Power 46 33010 Silver Bullet Throttle Body Spacers TBS Ford F 150 Mustang GT 2011 12 V8 5. 0L Silver Bullet Throttle Body Spacer Kit Ford F 150 11 20 V8 5. 0L Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T 6061 billet aluminum and