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Whether you are entering your WRX in the local rallycross
IAG Street Series Pitch Stop Mount
Reduces turbo spool time and improves throttle response
guided by a series of baffles
ETS Subaru MaxFlow V2 Headers V Band Flange - 2015-2021 Subaru STI Clearance Whether you are entering yourThe wait is over! Extreme Turbo Systems is proud to release our new Subaru STI V2 MaxFlow Exhaust Header for the 2004+ Subaru STI. We designed our ETS V2 MaxFlow Header to be a direct factory replacement header. We start off with large 1 7 8 primary runners that come together in a true low angle 4 1 merge collector that then flow into a huge 2. 5" secondary for maximum scavenging and exhaust flow. Features 1 7 8" primary runners with 2 1 2" secondary