Valvetronic Designs - Porsche 911 Carrera / S / GTS (991.1) Valved Sport Exhaust System

Porsche 911 Carrera / S / GTS (991.1) – Valved Exhaust System Rich F1 Sound • Lightweight Construction • OEM-Style Valve Control Overview Welcome to the Valvetronic Designs Catback Exhaust System for the Porsche 991 platform. Engineered from the ground up, this system is built to deliver a truly rich F1-inspired sound while maintaining comfort and refinement when cruising with the valves closed. Featuring a large center X-pipe, the system creates a smooth exhaust flow, balancing aggression with sophistication for the perfect 991 soundtrack. Sound Dynamics Valves Open – Exhaust gases flow with minimal restriction, unleashing a sharp, high-pitched F1-style sound that transforms your Porsche into a motorsport machine. Valves Closed – Sound is tamed significantly, reducing unwanted cabin frequencies and creating a calm, refined experience for daily driving. The system strikes the perfect balance between raw emotion and everyday usability, offering maximum enjoyment without compromise. Features Available in Anodized Gold T304 Stainless Steel or Blue Burnt Titanium Vacuum-actuated exhaust valves with controller for OEM-like operation Standalone valve control option for vehicles without factory valves 21.8 lbs lighter than the factory exhaust (T304 Stainless version) Fully mandrel-bent piping for maximum exhaust flow Precision TIG welds for strength and durability 100% reversible – always able to return to stock configuration Fitment 2012 – 2016 Porsche Carrera / Carrera S / Carrera GTS 2014 – 2016 Porsche Targa 4 / Targa 4S / Targa 4 GTS Also fits convertible models