ETS Maxflow Lightweight Equal Length Header 2-Bolt Subaru 2004-2021 STI / 2008-2014 WRX

If you’re chasing every tenth, the ETS MaxFlow LW Header delivers. This lightweight version of our proven MaxFlow design uses .083" wall USA-made tubing (vs. .120") to shed weight, increase internal diameter, and unlock even greater exhaust flow—all without sacrificing strength or reliability. It’s engineered for racers who demand maximum performance from their Subaru.

Features:
- 1 7/8" primary runners with 2 1/2" secondaries for maximum exhaust flow
- CNC mandrel-bent runners for precise and consistent bends
- Custom .083" USA-made tubing for optimal weight savings
- Back-purged welds for superior durability and reliability
- Low-angle 4-1 merge collector for improved flow and exhaust scavenging
- Slip-fit connections for easy installation and removal
- Up-pipe Connection = 2-Bolt
- Direct stock-replacement design
- Low-profile design for maximum chassis and component clearance
- Compatible with XL oil pans, including IAG and Killer B, Torque Solutions
- Machined, surfaced flanges for a leak-free seal
- 304 stainless steel construction
- 100% built in-house and made in the USA
- Up-Pipe NOT included

Includes:
- Equal Length Header 2-Bolt - Lightweight
- 1 x Header to Uppipe Gasket
- 2 x Scews and Bolts for Header to Uppipe Connection

Applications:
2004-2007 Subaru STI
2008-2014 Subaru WRX
2008-2014 Subaru STI
2015-2021 Subaru STI
2004-2008 Subaru Forester XT
2005-2009 Subaru Legacy 2.5L
2008-2009 Subaru Outback XT