Details
HKS Turbo Exhaust Manifold for the Subaru WRX and STi has just released an exhaust manifold for the Subaru WRX and STi. It is an OEM replacement (using the standard 2 bolt uppipe connection) which comes with gaskets and a heat shield blanket. This unit is 409 Stainless Steel.
Notes for fitment:
04-07 STI - same oil pan
02-05 wrx needs sti oil pan
06-07 wrx needs more than that (oil pan, oil cooler)