aFe 15-19 Subaru Outback H4 2.5L Silver Bullet Throttle Body Spacer Front Upper Strut Tower Bars BLOX Racing SUS303 Stainless Steel

BLOX Racing SUS303 Stainless Steel Intake Manifold Stud Kit M8 x 1

Fuelab Plate Mount Fuel Pump Billet Bracket Set - (2) Brackets for Each Pump

3 foot long

Turbo XS Subaru EJ20/25 7 Layer Stainless Steel Uppipe Lower Gasket

aFe 15-19 Subaru Outback H4 2.5L Silver Bullet Throttle Body Spacer Front Upper Strut Tower Bars BLOX Racing SUS303 Stainless SteelThe 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