HKS 4-2-1 Race Header - Honda - S2000 AP1/AP2 impreza-gh8-applied-a-2008-2009-tc-ej20t-h4 Skunk2’s Pro Series Throttle Bodies

Skunk2’s Pro Series Throttle Bodies are designed to be used with Skunk2 Ultra Series Intake Manifolds for bolt-on horsepower and torque gains by optimizing engine airflow

Part Number: GSJ78-91AS2

Backed by a 2 year limited warranty

Each cylinder receives a fuller charge of air/fuel especially at low to mid engine speeds

Universal fitment

HKS 4-2-1 Race Header - Honda - S2000 AP1/AP2 impreza-gh8-applied-a-2008-2009-tc-ej20t-h4 Skunk2’s Pro Series Throttle BodiesSpecifications: Manufacturer: HKS Reference Number: 33002 AH001 Type: Header Material: Stainless Steel HKS Exhaust technology, which is know how of long time development, targets to pull out 100% engine performance with the exhaust manifold. A lot of different approach were tried for each vehicle to keep performance for middle rpm range and to improve horsepower at high rpm. When strong vacuum is created, to the contrary, there will also be strong