aFe Power Silver Bullet Throttle Body Spacer - Toyota FJ Cruiser V6-4.0L ( 2010 - 2018 )

Details
Silver Bullet throttle body spacers create turbulence in the air flow at the point just before entry to the engine – increasing performance, as well as improving throttle response.

Dyno-Proven Gains up to +6 HP & +9 Lbs. x Ft. TQ
CNC-Machined from Durable 6061-T6 Billet Aluminum
Unique Serrated/Helix Entry Design Creates Turbulence and Reduces Whistle Sound
Increases Air Speed, Improving Performance and Throttle Response