aFe Silver Bullet Throttle Body Spacer 12-15 BMW 328i (F30) L4-2.0L N20/N26 Toyota-Supra-2023 Supertech Mitsubishi 4G63 Series Manganese

Supertech Mitsubishi 4G63 Series Manganese Bronze Intake Valve Guide 6

most tested parts on the market

Price is per axle (four pieces)

Design: Red vinyl center stripe matching the Eventuri Intake System

aFe Silver Bullet Throttle Body Spacer 12-15 BMW 328i (F30) L4-2.0L N20/N26 Toyota-Supra-2023 Supertech Mitsubishi 4G63 Series ManganeseSilver 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.