Air Intake Systems

The serrated/helix design creates air turbulence in the intake manifold. This turbulence increases the air pressure in the combustion chamber, resulting in increased performance and improved throttle...

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. ...

One of the easiest additions to improve low end horsepower and torque to your VQ35 is the Silver Bullet Throttle Body Spacer. The TBS has both a Serrated and Helix combination design, which creates...

One of the easiest additions to improve low end horsepower and torque to your VQ37 is the Silver Bullet Throttle Body Spacers. The TBS has both a Serrated and Helix combination design, which creates...

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 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. ...

This Silver Bullet throttle body spacer is designed with a smooth CNC machined interior for the smoothest air flow possible and increased manifold volume. Dual ports are easily accessible to use as...

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 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. ...

Quantum Pro 5R air filter by aFe Power is specifically designed for the Quantum Series cold air intake systems and feature an injection molded base and top for lighter weight and rigidity. The newly...

Cobb Subaru SF Intake System Hardware Kit

BMC Universal Carbon Dynamic Airbox Kit 85mm Diameter Inlet/Outlet (Engines Over 1600cc)