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seamlessly transitioning to the factory MAF housing via a billet velocity stack
the correct replacement for worn or damaged flywheels on these platforms
Will work well with other body enhancements outside of the HKS units
We designed our ETS V2 MaxFlow Header for customers that want to design their own front facing turbo kit
and handling dynamics
ETS Subaru MaxFlow V2 Headers V Band Flange - 2015-2021 Subaru STI PDM_boost-gauges seamlessly transitioning to the factoryThe 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
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