HKS Hi-Power Exhaust - 2002-2007 Subaru WRX / STI PDM_engine 5" inlet with unprecedented valve

5" inlet with unprecedented valve lift

Turbine wheel blades: 11

resulting in remarkable product stiffness and enhanced strength

and it will hold as much boost as you can throw at it

one to bolt the struts

HKS Hi-Power Exhaust - 2002-2007 Subaru WRX / STI PDM_engine 5" inlet with unprecedented valveHKS Hi Power Exhaust 2002 2007 Subaru WRX STI HKS Exhaust Engineering for Street and Track HKS exhaust systems are developed through motorsport application the same engineering approach behind HKS competition vehicles translates into their street products. Ultra thin stainless steel construction reduces weight vs factory while improving corrosion resistance. The Legamax and Hi Power lines have distinct sound and performance characters developed for