aFe Silver Bullet Throttle Body Spacers TBS BMW 5 Series (E60) 06-10 V8-4.8L 2003-nissan-frontier-esi5702791 with excess fuel returning to

with excess fuel returning to the OEM fuel tank

45mm Thick

BMW 3 Series G20 330e (Pre-November 2018)

2003-2011 Mazda RX-8 SE3P

aFe Silver Bullet Throttle Body Spacers TBS BMW 5 Series (E60) 06-10 V8-4.8L 2003-nissan-frontier-esi5702791 with excess fuel returning toSilver 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.