ETS MaxFlow LW Header – Lightweight Design, Race-Ready Performance
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 flange options: 2-bolt, 3-bolt, or V-band
- Direct stock-replacement design
- Low-profile design for maximum chassis and component clearance
- Compatible with XL oil pans including IAG and Killer B
- Machined, surfaced flanges for a leak-free seal
- 304 stainless steel construction
- 100% built in-house and made in the USA
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