Subaru WRX STI Exhaust Gaskets and Seals
This page brings together exhaust gaskets and seals for the Subaru WRX STI, covering model years 2013–2021. The range includes exhaust manifold gaskets, pipe flange gaskets, and catalytic converter gaskets in both individual and set formats. Pick your Subaru WRX STI's year above to narrow the list to exhaust gaskets and seals with confirmed fitment. Every part shown is checked against our vehicle data.
Cometic C4204-030 MLS Exhaust Manifold Gasket Set for Subaru EJ/FA Engines
TurboXS GEMH-EJ2025 Exhaust Manifold Header Gasket Subaru EJ20 EJ25
AP Exhaust 9033 2-Bolt Universal Exhaust Pipe Flange Gasket 1-13/16" ID
What's here for your Subaru WRX STI
- Exhaust pipe flange gaskets — flat and universal styles for sealing pipe-to-pipe connections
- Exhaust manifold gaskets — individual gaskets sized for the manifold-to-head interface
- Exhaust manifold gasket sets — multi-piece sets covering the full manifold sealing assembly
- Catalytic converter gaskets — inlet and outlet gaskets for the converter flanges
The widest selection here comes from Victor, AP Exhaust, MAHLE, and Fel-Pro, each offering a broad range of gasket types and materials across the 2013–2021 model years. Other categories Subaru WRX STI owners shop for: Subaru WRX STI Springs and Suspension Parts, Subaru WRX STI Shocks and Struts and Subaru WRX STI Manual Transmission Parts, or browse all Subaru WRX STI parts and accessories.