Cadillac STS Exhaust Manifolds
This page brings together exhaust manifolds for the Cadillac STS covering model years 2005–2011, including both standalone manifolds and units with an integrated catalytic converter. The range includes direct-fit manifolds, complete kits and accompanying gaskets. Pick your Cadillac STS's year above to narrow the list to exhaust manifolds with confirmed fitment. Every part shown is checked against our vehicle data.
What's here for your Cadillac STS
- Exhaust Manifold with Integrated Catalytic Converter — direct-fit assemblies that combine the manifold and catalytic converter in a single unit
- Exhaust Manifold — replacement manifold assemblies, available as individual components or as part of a kit with gaskets included
The widest selection here comes from Dorman, Catco, Walker Exhaust and ATP, each offering direct-fit options designed to the Cadillac STS's fitment specifications. Other categories Cadillac STS owners shop for: Cadillac STS Shocks and Struts, Cadillac STS Valve Train Parts and Cadillac STS Tires, or browse all Cadillac STS parts and accessories.