aFe Silver Bullet Throttle Body Spacers TBS Toyota 4Runner/FJ Cruiser

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.This Part Fits: Year Make Model Submodel 2003-2021 Toyota 4Runner Limited 2003-2009 Toyota 4Runner Sport 2003-2021 Toyota 4Runner SR5 2018-2021 Toyota 4Runner SR5 Premium 2010-2016,2021 Toyota 4Runner Trail 2017-2021 Toyota 4Runner TRD Off-Road 2015-2021 Toyota 4Runner TRD Pro 2010-2014 Toyota FJ Cruiser Base