AFE Silver Bullet Throttle Body Spacer 2011-2021 Dodge Durango / 2012-2018 Jeep Wrangler (JK) / 2011-2021 Grand Cherokee (WK2) V6-3.6LThis Silver Bullet throttle body spacer produces 6 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 spacer