Exhaust Catless/ Catted High Flow Downpipe for Porsche Cayenne S Turbo 2.9T 2018-2023

Upgrade the performance and sound of your Porsche Cayenne 2.9T with this high-performance exhaust downpipe, engineered to replace the restrictive factory catalytic section. Designed for the twin-turbo V6 platform, this upgrade significantly improves exhaust flow, reduces backpressure, and unlocks noticeable gains in power, throttle response, and turbo efficiency.

Available in both catless (race) and high-flow catted configurations, this downpipe delivers the perfect balance of performance, sound, and versatility—whether you're building a daily-driven performance SUV or a full high-performance setup.

Features:

• High-Flow Performance Design: Eliminates restrictive OEM catalytic converters while improving exhaust flow and turbo efficiency.
• Power Gains & Response: Increases horsepower and torque potential while improving throttle response and turbo spool characteristics.
• Catless & High-Flow Catted Options: Available in Catless configuration for maximum performance and aggressive sound, or High-Flow Catted 200 Cell configuration for improved flow while helping reduce emissions and odor.
• Premium Construction: Manufactured from premium T304 stainless steel with a heat-resistant design and optional heat shielding for enhanced durability.
• Enhanced Exhaust Sound: Produces a deeper, more aggressive exhaust note while amplifying turbo spool, crackles, and overrun characteristics.
• Direct Bolt-On Fitment: Designed specifically for the Porsche Cayenne S 2.9T (2018–2023) and compatible Porsche Cayenne Turbo 2.9T platform variants while retaining factory mounting points and O2 sensor locations.
• OEM & Aftermarket Compatibility: Works with factory exhaust systems as well as upgraded aftermarket setups and performance tunes.
• Package Includes: Performance downpipe set (left & right), pre-installed O2 sensor bungs, and installation hardware where applicable.
• Notes: Professional installation is recommended. ECU tuning may be required to avoid CEL. Catless versions are intended for off-road or motorsport use only. Verify OPF/GPF compatibility depending on region.

Fitment:

Porsche Cayenne S 2.9T (2018–2023)

Porsche Cayenne Turbo 2.9T Platform Variants