HKS Stainless Steel Unequal Length Headers 2002-2014 WRX 2004-2021 STI

Description:
You can have the great performance and muffler sound of the isometric layout by changing the exhaust manifold only with the stock oil pan layout. You will notice immediately the new exhaust sound. The gas pedal response is more sensitive, so it’s much easier to control.

Features:
- Made using SUH304 stainless steel materials
- Designed to optimize exhaust flow while increasing spool
- Improves horsepower
- Improves torque
- Produces an aggressive exhaust note
- Accepts stock up pipe and aftermarket up pipes with a stock 2 Bolt flange

Specs:
- Piping Material = 304 Stainless Steel
- Installation Hardware Included = YES
- Uppipe Connection to Header = 2 Bolt
- Piping Length = Unequal

Includes:
- 1 x Unequal HKS Header
- 2 x Manifold Gaskets (1 Pair)
- 1 x HKS Uppipe Gasket
- 1 x Heat Wrap
- 1 x O2 sensor Plug
- Zip Ties

Applications:
2004-2007 STI
2008-2014 WRX
2008-2014 STI
2015-2021 STI