ZUN Stainless Exhaust manifold Header Kit for Subaru Impreza WRX / STI EJ205 EJ255 2002-2006 43349712

Specifications: Surface: Mirror PolishFeatures: PolishedColor: SliverFitment Type: Performance/CustomMaterial: Stainless SteelPlacement on Vehicle: FrontMounting Style: 3 BoltInlet size: 1.5"Outlet size: 2" Feature: Headers provide each cylinder with its own mini exhaust pipe, which means exhaust headers prevent interference among cylinders; thus, the back pressure that occurs in common exhaust manifolds. When cylinders don't have to fight with each other to expel their exhaust, they can put more power through the wheels, pushing the vehicle. Combining with a high performance cold air intake, and a cat-back exhaust system, a header system removes all restrictions of your engine, then, it is able to perform at its full potential. Getting more air into your engine and more exhaust out is the key to a performance motor. That's where exhaust headers is significant as the first revenue of an exhaust system. Exhaust performance headers manipulate the air flow with the performance-robbing e