ETS V2 Maxflow Header | Subaru STI

ETS V2 Maxflow Header | Subaru STI - RamenTuning
ETS V2 Maxflow Header | Subaru STI - RamenTuning

ETS V2 Maxflow Header | Subaru STI

Regular Price $1,495.00

Vendor : Extreme Turbo Systems

Sku : 200-10-EXM-201

2004-2007 2008-2014 2015+
2-Bolt Flange VBand Flange 3-Bolt Flange

The 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.


  • 1 7/8" primary runners with 2 1/2" secondary for maximum flow.
  • CNC mandrel bent runners.
  • Custom .100 USA made thick wall tubing for durability.
  • Low angle 4-1 merge collector for maximum flow and exhaust scavenging.
  • Slip fit connection for ease of removal and installation.
  • 2-bolt or Vband up pipe flange options.
  • Stock replacement design.
  • Low profile design for maximum clearance.
  • Surfaced flanges for a leak free seal.
  • 304 Stainless steel construction.
  • 100% built in house and made in the USA.
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