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Korsh Subaru WRX STI/ LGT/FOZ Unequal Length headers EJ20/25

Korsh Subaru WRX STI/ LGT/FOZ Unequal Length headers EJ20/25

With Titanium Heatwrap and Ties

SKU:  KOR-EXH-UEL-001

$1,199.00
$1,199.00
In Stock
Taxes included.
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Korsh Unequal Length Headers are engineered specifically for your Subaru WRX STI to unlock measurable performance improvements. The strategically designed unequal-length configuration optimizes exhaust scavenging, translating to sharper throttle response and enhanced power delivery. Built with premium materials that withstand extreme heat and stress, these headers combine durability with proven performance gains. Whether you're pushing on the track or enjoying spirited driving, you'll feel the difference that precision engineering delivers. Transform your WRX STI's exhaust system and experience the responsive, powerful performance you've been seeking.

Benefits:
Faster turbo spool
Improved exhaust flow
Better throttle response
Maintains boxer sound

 

Specifications (Point Form):

Material: 304 stainless steel (mandrel bent tubes, TIG-welded)
Primary runner size (header): 42.7mm (~1.77") with 2mm thick wall
Uppipe diameter: 60.5 mm (~2.36") with 2mm thick wall
Design: Unequal Length (preserves Subaru "rumble")
Flange style: Wax Cast stainless

3-bolt uppipe flange
Flex / expansion: Slip-joint section to allow thermal expansion
Hardware included:

Copper flange nuts
Multi-layer steel gaskets (header + uppipe)
Zinc-plated bolts

Fitment:
2002-2014 WRX
2004-2021 STI
2005-2009 Liberty GT
2004-2013 Forester XT

Fitment Notes:

02-05 WRX → requires STI oil pan
06-07 WRX → requires STI oil pan + STI oil cooler

Some cars may require minor U-frame clearance trimming