aFe Silver Bullet Throttle Body Spacer N62 Only BMW (E53) 04-09 5series (E60) 04-09 6series (E63/64) Color:Silver The stem is black zinc

The stem is black zinc coated for corrosion resistance

Air Lift 09-18 Nissan 370Z Replacement Rear Air Spring

Series 2 or EMS-4 standalone

000 HP where space is at a premium

Size :  22x9

aFe Silver Bullet Throttle Body Spacer N62 Only BMW (E53) 04-09 5series (E60) 04-09 6series (E63/64) Color:Silver The stem is black zincSilver 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.