aFe Silver Bullet Throttle Body Spacers TBS Toyota 4Runner/FJ Cruiser 10-12 V6-4.0L

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 Toyota FJ Cruiser 10-19 / 4Runner 10-19 V6-4.0L Toyota FJ Cruiser 10-17/4Runner 10-18 V6-4.0L Fitment: Toyota 4Runner Limited 2003 to 2021 Toyota 4Runner Sport 2003 to 2009 Toyota 4Runner SR5 2003 to 2021 Toyota 4Runner SR5 Premium 2018 to 2021 Toyota 4Runner Trail 2010 to 2016 Toyota 4Runner Trail 2021 Toyota 4Runner TRD Off-Road 2017 to 2021 Toyota 4Runner TRD Pro 2015 to 2021 Toyota FJ Cruiser Base 2010 to 2014