Subaru WRX STI Exhaust Manifolds
Exhaust manifolds for the Subaru WRX STI are available here for model years 2013–2021, covering a range that includes direct-fit OE replacement pieces and integrated catalytic converter assemblies. Choose your model year above and this page keeps only the exhaust manifolds that fit your Subaru WRX STI. Each listing is matched to our vehicle fitment data before it appears here.
Dorman Manifold Converter with Integrated Catalytic Converter Not CARB Compliant
TurboXS W15-FPC High Flow Catted Front Pipe J-Pipe 2015-2021 WRX
AP Exhaust Direct-Fit Federal EPA Catalytic Converter with Integrated Manifold
What's here for your Subaru WRX STI
- Exhaust manifolds with integrated catalytic converter
- Direct-fit OE replacement manifolds
- Front manifold and downpipe assemblies
- Header-style manifold options
The widest selection here comes from TurboXS, AP Exhaust, Dorman, and Magnaflow, giving Subaru WRX STI owners a broad set of fitment options across manifold styles and configurations. 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.