aFe Power Silver Bullet Throttle Body Spacer - Honda Civic Si 12-15 L4-2.4L 29112BK Black / Red

Black / Red

Simpson offers 3 types of restraint mounting hardware

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Sportsman Deluxe

aFe Power Silver Bullet Throttle Body Spacer - Honda Civic Si 12-15 L4-2.4L 29112BK Black / RedSilver 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.