Porsche Valvetronic Nordschleife Cat-Back Exhaust System - 911 | 2022-2025 FS-POR-992GT3-VLVCF-GPF Does Your Vehicle Have GPF's (Gas Particulate Filters)?:No allowing you to pinpoint the

allowing you to pinpoint the source of the problem quickly

Chrome-Plated Steel Top and Rubber Base: The top is made of chrome-plated steel for durability and a clean appearance

Top Outside Diameter: 5 inches (127 mm)

For 1977 930 model use part # 911

Porsche Valvetronic Nordschleife Cat-Back Exhaust System - 911 | 2022-2025 FS-POR-992GT3-VLVCF-GPF Does Your Vehicle Have GPF's (Gas Particulate Filters)?:No allowing you to pinpoint thePorsche Valvetronic Nordschleife Cat Back Exhaust System For Porsche 992 GT3 GT3 RS (2022 2025) Models. Features: Exotic Sound: Transforms the exhaust note to an aggressive, high pitched GT3 sports car sound with PSE on, offering a subtle increase in volume with PSE off. Features a proprietary CAD designed investment cast X pipe crucial for achieving this sound. Significant Power Gains: Achieves +17. 5 crank HP (+14 whp) and +17 ft lbs of torque at