HKS 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 the STI oil pan.