aFe Silver Bullet Throttle Body Spacer - Dodge Challenger/Charger 5.7L/6.4L 2008-2023 BMW-535xi-2008 we designed this kit to

we designed this kit to work with OEM k-series throttle bodies AND big bore throttle bodies

Confirmed Fitments:

With over 15 years of experience in shifter manufacturing and design

The Handheld device interfaces with the OBD-II port in your vehicle and your computer to complete the tuning process

aFe Silver Bullet Throttle Body Spacer - Dodge Challenger/Charger 5.7L/6.4L 2008-2023 BMW-535xi-2008 we designed this kit toThis Silver Bullet throttle body spacer produces up to 12 hp and 14 lbs. x ft. torque and is constructed from precision machined 6061 T6 billet aluminum and is designed using a serrated helix design that creates turbulence in the air flow at the point just prior entry into the engine optimizing the combustion cycle. This turbulence helps the air fuel charge burn completely providing increased horsepower, torque and improved throttle response. This