aFe Silver Bullet TBS Throttle Body Spacers - 46-31009

Silver 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.

Silver Bullet Throttle Body Spacer Kit BMW 220i/320i/328i/420i/428i (F2X/3X) 12-16 L4-2.0L (t) N20/N26

aFe Silver Bullet Throttle Body Spacer 12-15 BMW 328i (F30) L4-2.0L N20/N26

Precision Machined From T-6061 Billet Aluminum

Produces Increased HP/Torque/Throttle Response

Increased Air Volume For Better Performance

Silver Bullet Throttle Body Spacer Kit

Fuel Injection Throttle Body Spacer

Silver Bullet Throttle Body Spacer

2 Year Limited Warranty

Throttle Body Spacer

Special Helix Design

No Annoying Whistle

Fits w/aFe Intakes

TBdySpacer