Titanium Valved Catback Exhaust for Porsche 911 991 991.1 991.2 GT3 4.0T

Upgrade your Porsche 991 GT3 / GT3 RS with the STRATEC Valved Sport Exhaust System, engineered to deliver an aggressive, motorsport-inspired exhaust note while maintaining refined drivability. Designed to maximize the sound potential of Porsche’s high-revving flat-six engine, this system produces a sharp, high-pitched tone reminiscent of race-bred performance.

Featuring 2.5-inch mandrel-bent piping, an optimized X-pipe design, and extended loop sections, this exhaust enhances airflow, improves throttle response, and amplifies the engine’s signature high-frequency scream. With valves open, it delivers an aggressive, track-focused sound with crackles and dramatic overrun effects. With valves closed, it provides a more subdued tone for comfortable daily driving with minimal cabin drone.

Built for enthusiasts who demand both sound performance and refinement, this system offers a balanced blend of race-inspired tone and street-friendly usability.

Key Features

• Valved exhaust system with switchable sound modes

• High-pitch, motorsport-inspired exhaust tone

• 2.5-inch mandrel-bent piping for optimized flow

• Performance-focused X-pipe design

• Extended loop sections to enhance sound pitch

• Aggressive crackle and flame potential with proper tuning

• Engineered to minimize unwanted cabin drone

Vehicle Fitment

• 2014–2019 Porsche 991 GT3

• 2016–2019 Porsche 991 GT3 RS

The STRATEC Valved Sport Exhaust System delivers an uncompromising sound upgrade for GT3 owners seeking a sharper, louder, and more race-inspired driving experience.