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. MSRP was set aggressively by HKS at $595, this will make it significantly less expensive than most manifolds on the market today.
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)