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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
Dyno-proven gains of up to +29 HP and 24 LB-FT of torque
Sold as a pair with hardware
performance
All wiring
The Cobb FMIC for the 2004-2007 Subaru WRX is the hardware that enables Stage 2 calibration on this platform
HKS Legamax Premium Axle-Back Exhaust System - 2008-2014 Subaru STI / 2011-2014 WRX Subaru-STI-2017 Dyno-proven gains of up toHKS Legamax Premium Axle Back Exhaust System 2008 2014 Subaru STI 2011 2014 WRX 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
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