$990.00
Take your Porsche Cayenne Turbo or Turbo S E-Hybrid to the next level with the Untd. Performance Catless Downpipe w/ Integrated Heat Shield. Designed for maximum exhaust flow and thermal control, this downpipe eliminates the factory catalytic converters to unlock the full potential of the 4.0L twin-turbo V8. Engineered for high-performance driving, this upgrade delivers sharper throttle response, reduced turbo lag, and a more aggressive exhaust note—all while managing under-hood temperatures with a built-in heat shield.
Available on backorder
Take your Porsche Cayenne Turbo or Turbo S E-Hybrid to the next level with the Untd. Performance Catless Downpipe w/ Integrated Heat Shield. Designed for maximum exhaust flow and thermal control, this downpipe eliminates the factory catalytic converters to unlock the full potential of the 4.0L twin-turbo V8. Engineered for high-performance driving, this upgrade delivers sharper throttle response, reduced turbo lag, and a more aggressive exhaust note—all while managing under-hood temperatures with a built-in heat shield.
Catless High-Flow Design
By removing the restrictive factory catalytic converters, this downpipe significantly reduces backpressure and increases exhaust gas velocity—resulting in faster turbo spool, enhanced power delivery, and noticeable performance gains across the RPM range. Ideal for track use, tuned builds, or hybrid powertrains with increased thermal load.
Integrated Heat Shield
Equipped with a precision-formed, thermal-insulating heat shield, this downpipe helps manage engine bay temperatures—protecting sensitive components and maintaining consistent performance under demanding driving conditions. Perfect for high-output hybrid systems prone to heat soak.
Raw, Aggressive Exhaust Note
Freeing the exhaust system from factory restrictions unleashes a deep, motorsport-inspired tone. Expect louder turbo spool, a more aggressive growl under acceleration, and a visceral driving experience that reflects the true character of the Cayenne’s 4.0L twin-turbo V8.
Track-Proven 304 Stainless Steel Construction
Fabricated from premium TIG-welded 304 stainless steel and CNC-machined flanges, this downpipe is built to handle extreme heat, boost pressure, and long-term use. Every component is engineered for durability, performance, and a precise, bolt-on fit.
Designed for Performance-Driven Hybrid Systems
The Porsche E-Hybrid system adds power—but also heat. This catless downpipe helps reduce exhaust restrictions and thermal stress, supporting higher output builds and improved system efficiency under load. A perfect upgrade for dyno tuning, racing, or spirited road use.
Porsche Cayenne Turbo 4.0L Twin-Turbo V8 (2018+)
Porsche Cayenne Turbo S E-Hybrid 4.0L Twin-Turbo V8 + Hybrid (2019+)
Compatible with standard and coupe body styles
Unleash unfiltered performance and take control of heat with the Untd. Performance Catless Downpipe w/ Heat Shield. Designed for enthusiasts who demand maximum flow, power, and thermal control, this upgrade transforms your Cayenne into a sharper, more thrilling performance SUV.
⚠️ Note: For off-road and motorsport use only. Not emissions-compliant in all regions. Always verify local laws before installation.
