Unleash refined power and sound from your Porsche Cayenne Turbo or Turbo S E-Hybrid with the Untd. Performance Catted Downpipe, precision-engineered for the 4.0L twin-turbo V8. Designed to optimize exhaust flow while maintaining emissions-conscious performance, this high-flow downpipe features a motorsport-grade catalytic converter that enhances turbo response, improves overall power delivery, and deepens the exhaust tone—all while supporting the unique demands of Porsche’s hybrid powertrain.