aFe Silver Bullet Throttle Body Spacer Kit For BMW - 46-31004

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.

Features:

• Durable 6061-T6 Billet Aluminum
• Creates Turbulence
• Removes Whistle
• Increased Horsepower
• Increased Torque
• Helps Air/Fuel Charge Burn Completely
• Serrated/Helix Design
• 2 Year Limited Warranty

Product Attributes:

• Color: Raw
• Design: Inset Style
• Finish: Natural
• Gaskets Included: Yes
• Material: 6061-T6 Aluminum
• Thickness: 0.75 IN