ETS Subaru STi V2 Maxflow Header Injector Dynamics Excess oil saturated air circulating

Excess oil saturated air circulating back into the air intake stream can lead to degraded performance by depositing oil on the inside of the induction system

All new updated 4inch Quad-Exit Catback Exhaust system

Bolt this resonator pipe up to your factory downpipe or aftermarket downpipe for that performance and sound that will put your truck in a class all by itself

Optimal weight reduction from the factory mufflers

(866) FULLRACE

ETS Subaru STi V2 Maxflow Header Injector Dynamics Excess oil saturated air circulatingExtreme 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.