GMC K2500 Catalytic Converters
This page brings together catalytic converters for the GMC K2500, covering model years 1979–2000. The range includes direct-fit and universal styles in configurations suited to this truck, from manifold-mounted to OE replacement designs. Choose your model year above and this page keeps only the catalytic converters that fit your GMC K2500. Each listing is matched to our vehicle fitment data before it appears here.
MagnaFlow 339109 California Universal Catalytic Converter 3in. CARB Compliant
Magnaflow 4451304 Universal Catalytic Converter 2.00 Inch Inlet/Outlet
Magnaflow 51309 Universal Catalytic Converter 3.00 Inch Inlet/Outlet
Magnaflow 51175 Universal Catalytic Converter 2.25 Inch Inlet/Outlet
MagnaFlow 93506 Standard Grade Universal Catalytic Converter 2.5in Inlet/Outlet Federal EPA Compliant
Magnaflow 95509 Universal Catalytic Converter 3.00 Inch Inlet/Outlet
Magnaflow 333009 Universal Catalytic Converter 3.00 Inch Inlet/Outlet
Magnaflow 54955 Universal Catalytic Converter 2.25 Inch Inlet/Outlet
Magnaflow 94047 Universal Catalytic Converter Inlet Outlet - 2-Inch 3-Inch
Magnaflow 99647HM HM Grade Universal Catalytic Converter 3 Inch Outlet Dual 2 Inch Inlet
Magnaflow 93516 Universal Catalytic Converter 2.50 Inch Inlet/Outlet
Magnaflow 4451337 Universal Catalytic Converter CARB Compliant 2.50 Inch Outlet
Magnaflow 3322306 Universal Catalytic Converter 2.5 Inch Inlet/Outlet
MagnaFlow 5571315 California Grade CARB Compliant Direct-Fit Catalytic Converter
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What's here for your GMC K2500
- Direct-fit catalytic converters for a straightforward installation
- Universal catalytic converters for flexible application
- Manifold-style catalytic converters
- OE replacement catalytic converters
- Stainless steel catalytic converters
The widest selection here comes from AP Exhaust, Magnaflow, Catco, and Walker Exhaust, spanning a broad range of fitments across the 1979–2000 model years. Other categories GMC K2500 owners shop for: GMC K2500 Exhaust and Tail Pipes, GMC K2500 Exterior Lights and GMC K2500 Steering Gear and Parts, or browse all GMC K2500 parts and accessories.