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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
The GSC Exhaust Valves feature super alloy construction that will surpass the strength and durability when compared to the OEM valves to sustain higher power and higher boost levels
or modified WRX
Light weight
T1R Single Exit
Filtration Efficiency
Annex Suspension ClubSpec Pro - 2008-2014 Subaru WRX Subaru-Outback-2006 The GSC Exhaust Valves featureAnnex Suspension Group is a performance suspension company founded by passionate drivers and engineers who werent satisfied with the options on the market. They design and build high quality, performance oriented suspension systems that balance daily comfort with track ready performance, engineered and tested in house with data logging, real world road testing, and thorough R&D. FEATURES Proprietary High Flow, Double Digressive Pistons Race Winning