Vibrant SS Turbo Flex Coupling With Interlock Liner 2in Inlet/Outlet x 6in Long Replacement Air Filters Perrin 15-19 Subaru WRX/STI Tow

Perrin 15-19 Subaru WRX/STI Tow Hook Kit (Rear) - Black

Performance Gains: This system produced gains of up to +8 HP and +8 lbs

0 V-Tec DOHC (K20) Turbo Tuff Pro Series I Beam Connecting Rod (SINGLE ROD)

5mm Bore 10/10

but we also include a softer spring if you want to change it up

Vibrant SS Turbo Flex Coupling With Interlock Liner 2in Inlet/Outlet x 6in Long Replacement Air Filters Perrin 15-19 Subaru WRX/STI TowVibrant is a world leader in the design and manufacturing of Stainless Steel Flexible Couplings. Vibrant Flexible Couplings are engineered to isolate vibration generated by the engine, thereby relieving stress on the vehicles exhaust system. Designed to reduce premature cracking of manifolds and downpipes, they also help extend the life of other components. Available in a variety of configurations for applications with or without Forced Induction.