ETS Subaru STI V2 MaxFlow Front Facing Header - 2015-2021 Subaru STI Scion-FR-S-2015 This system features a high

This system features a high quality

or need a filter in this dimension

and you CAN vent with the atmo conversion to atmosphere without stalling your engine…

but left and right simultaneously

These approvals were not granted easily and gaining them was a testimony to the quality and durability of Engine Oil Drain Valve

ETS Subaru STI V2 MaxFlow Front Facing Header - 2015-2021 Subaru STI Scion-FR-S-2015 This system features a highThe wait is over! Extreme Turbo Systems is proud to release our new Subaru STI V2 MaxFlow Front Facing Exhaust Header for the 2004+ Subaru STI. We designed our ETS V2 MaxFlow Header for customers that want to design their own front facing turbo kit. 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"