HKS Stainless Steel Equal Length Exhaust Manifold WRX (2006-2014) STI (2004-2018) Wheels and the appropriate alignment tool

and the appropriate alignment tool

TIG-welded aluminum with barbed fittings for optimal durability and longevity

and muffler baffles to maintain power output while still producing a deep and mellow touring exhaust tone

In general

Invidia test pipes come in pairs

HKS Stainless Steel Equal Length Exhaust Manifold WRX (2006-2014) STI (2004-2018) Wheels and the appropriate alignment toolHKS Stainless Steel tubular turbo exhaust manifolds for offer maximum exhaust flow for increased turbo spool up and phenomenal flow capacity. Fabricated of SUH409 stainless steel. The HKS Exhaust Manifold is the lower section only. Does not include the uppipe, and is designed to be used with a factory style up pipe. This header will fit the EJ25 Turbo Subaru model that uses a triangle style oil pain. NOTE: 2002 2005 WRX owners will need to convert to