aFe Silver Bullet Throttle Body Spacers TBS GM Trucks & SUVs 07-11 V8-4.8/5.3/6.2L (GMT900) - 46-34003 Yellow Speed Racing Upgrading your YSR big brake

Upgrading your YSR big brake kit pistons to our stainless steel option allows for greater resistance of heat transfer and less brake fade

Enhanced Comfort Access: Maintains full signal transmission with no disruption to keyless entry functionality

E90/E91 Front and Rear Passenger Side

Designed with precision-molded clips and tabs these trims ensure a secure and flawless fit seamlessly integrating with your vehicle’s design

aFe Silver Bullet Throttle Body Spacers TBS GM Trucks & SUVs 07-11 V8-4.8/5.3/6.2L (GMT900) - 46-34003 Yellow Speed Racing Upgrading your YSR big brakeSilver 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.