GMC S15 Catalytic Converters
This page brings together catalytic converters for the GMC S15, covering model years 1982 through 1990. The range includes universal and direct-fit converters as well as manifold-style units, giving you options suited to different replacement approaches. Choose your model year above and this page keeps only the catalytic converters that fit your GMC S15. Each listing is matched to our vehicle fitment data before it appears here.
MagnaFlow 334105 Universal Catalytic Converter 2.25 Inch Inlet/Outlet
Magnaflow 339105 Universal Catalytic Converter 2.25 Inch Inlet/Outlet
Magnaflow 3391006 Universal Catalytic Converter 2.50 Inch Inlet/Outlet
What's here for your GMC S15
- Universal catalytic converters
- Direct-fit catalytic converters
- Manifold catalytic converters
The widest selection here comes from Magnaflow, AP Exhaust, Walker Exhaust, and Catco, spanning a variety of converter styles and fitment configurations for the GMC S15. Other categories GMC S15 owners shop for: GMC S15 Mirrors, GMC S15 Doors and Door Parts and GMC S15 Manual Transmission Parts, or browse all GMC S15 parts and accessories.