This Grimmpseed gasket fits between the head and the exhaust manifold or header. middle hole has an ingenious slot to accommodate both BRZ and 15+ WRX
Garage16 - Exhaust Manifold to Head Gaskets (Pair) - EJ/FA Engine
GrimmSpeed HiFlow Exhaust Manifold Crosspipe 02-05/08+ WRX, ALL STi/LG — Speed Science
Blox Racing MLS Gasket - Cylinder Head to Exhaust Manifold WRX FA20. Speed Industry
3-Inch 2-Hole Gasket Reinforced
Grimmspeed Tagged SH
Exhaust Gaskets – DC Jap Automotive
GrimmSpeed Intake Manifold-to-Head Gasket (PAIR) - Impreza 98, Legacy 96-99 'Phase 1 Engine' - GrimmSpeed
2013 Scion Fr-s Exhaust Gaskets And Hardware Upgrades
2020 Subaru Wrx Exhaust Gaskets And Hardware Upgrades
This GrimmSpeed 3-bolt gasket fits the Prosport header and most other Subaru headers with a three-bolt flange, including Tomei, IAG, and others., Sold
GrimmSpeed Three-Bolt Header to Up Pipe Gasket
GRIMMSPEED EQUAL LENGTH HEADERS - 2015-2021 WRX – SUBIE SUPPLY CO.
GrimmSpeed Head to Exhaust Manifold Gaskets Subaru WRX 02-21 / STI 04-21 – Import Image Racing
GrimmSpeed Exhaust Manifold to Up Pipe Gasket 2X THICK - Subaru - GrimmSpeed
grimmspeed – iaTUNING