aFe Silver Bullet Throttle Body Spacer 10-18 Toyota FJ Cruiser V6 4.0L 2017-mercedes-benz-maybach-s550-esi6071206 IE engineers use 3D scanning

IE engineers use 3D scanning tools to duplicate the vehicle's underbody digitally

torque and improving throttle response and fuel efficiency

you're going to have to get that stock supercharger pulley off first

65-in OD body and 60mm digressive piston maximizes heat dissipation for increased shock life

Process West also provide a K&N high flow air filter with all the Cold Air Intake Systems they sell

aFe Silver Bullet Throttle Body Spacer 10-18 Toyota FJ Cruiser V6 4.0L 2017-mercedes-benz-maybach-s550-esi6071206 IE engineers use 3D scanningSilver 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 using a unique serrated helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers.