The Serrated/Helix design creates air turbulence in the intake manifold. This turbulence increases the air pressure in the combustion chamber resulting in increased horsepower, torque and improved throttle response. The Serrated/Helix combination design also reduces intake whistle that occurs with other helix only designs.
6061-T6 Billet Aluminum Construction:
All Silver Bullet Throttle Body Spacers are precision machined from 6061-T6 billet aluminum for lightweight, high strength and perfect fit and finish.
Installation Is A Snap:
This Silver Bullet throttle body spacer uses all factory mounting locations and a gasket providing stability and a hassle-free installation. This part will not work with an aftermarket intake system.
This throttle body spacer is 50-state legal (CARB E.O Number D-550-17)
2013-2016 Scion FR-S H4-2.0L
2013-2017 Subaru BRZ H4-2.0L
2012-2017 Toyota FT86 H4-2.0L
2012-2017 Toyota GT86 H4-2.0L
Note: (2016-2017 models NOT CARB approved)
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