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

Orders are processed same or next business day. Shipping times vary depending on the product, shipping service, and whether freight shipping is required. While we ensure all inventory levels are current and accurate, they can change due to logistics and inventory feeds. Standard shipping typically takes 3-7 business days, but some items may require additional time depending on their origin. Feel free to call us anytime for the latest status of your order.