aFe Silver Bullet Throttle Body Spacers TBS GM Trucks & SUVs 07-11 V8-4.8/5.3/6.2L (GMT900) - afe46-34003 import_2022_03_21_012537 619mm) Min Std Tunnel Size

619mm) Min Std Tunnel Size : 1

6599cc Air Filters::Air Filters - Drop In 2015 GMC Sierra 2500 HD Base V8

2987cc Forced Induction::Intercoolers 2015 Ram 1500 Limited V6

EFI or Carbureted

aFe Silver Bullet Throttle Body Spacers TBS GM Trucks & SUVs 07-11 V8-4.8/5.3/6.2L (GMT900) - afe46-34003 import_2022_03_21_012537 619mm) Min Std Tunnel SizeSilver 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.