aFe Silver Bullet Throttle Body Spacer N62 Only BMW (E53) 04-09 5series (E60) 04-09 6series (E63/64) Color:Silver the HF6-1 is available in

the HF6-1 is available in 5 standard transparent finishes and 5 custom finishes

Made from 6061-T6 Billet Aluminum aFe Silver Bullet Throttle Body Spacers are precision machined for lightweight

tuned and dyno-tested to fit specific Mazda Miata models

We know fuel delivery and we’re so excited to apply our hard-earned expertise to fluids of all kinds in these coming years

Series 2 or EMS-4 standalone

aFe Silver Bullet Throttle Body Spacer N62 Only BMW (E53) 04-09 5series (E60) 04-09 6series (E63/64) Color:Silver the HF6-1 is available inSilver 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.