ETS Subaru STi V2 Maxflow Header Injector Dynamics All new updated 4inch Quad-Exit

All new updated 4inch Quad-Exit Catback Exhaust system

-6AN Adapter Fittings

torque and sound

(866) FULLRACE

or crimping and bolts into place just like the stock fan shroud setup

ETS Subaru STi V2 Maxflow Header Injector Dynamics All new updated 4inch Quad-ExitExtreme 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 for maximum flow.