aFe 15-19 Subaru Outback H4 2.5L Silver Bullet Throttle Body Spacer 2008-infiniti-g37-esi6287133 5 Liter RE5R05A

5 Liter RE5R05A

while cast pipes are optimized for maximum airflow in the tight FL5 engine bay

rough idling

1x Dual 3'' Tip Section

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aFe 15-19 Subaru Outback H4 2.5L Silver Bullet Throttle Body Spacer 2008-infiniti-g37-esi6287133 5 Liter RE5R05AThe 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