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. All Silver Bullet Throttle Body Spacers are precision machined from 6061-T6 billet aluminum for lightweight, high strength, and perfect fit and finish. It is black anodized for a durable long-lasting finish. This premium wrapped coupling is constructed of high temperature silicone which meets or exceeds SAEJ20 Standards. This Silver Bullet throttle body spacer uses all factory mounting locations and a gasket ensuring a proper seal and a hassle-free installation. Silver Bullet Throttle Body Spacer Kit Subaru Outback 15-19 H4-2.5L Subaru Outback 15-19 H4-2.5L
| Air Freight Prohibited: false | Not Carb Approved: true |
| Carb Acknowledgement Required: t | Ltl Freight Required: false |
| Prop 65: Y | Epa: N/A |
| Clearance Item: f | Brand: aFe |
| Manufacturer Part Number: 46-30003 | UPC: 802959468326 |
