Fabspeed Porsche 991.2 GT3 / GT3 RS Center Muffler Bypass Pipe 2017- 2019 Exhausts Standard OEM Catalysts are usually

Standard OEM Catalysts are usually 500-600 cells

Just select "Standard Exhaust" from the dropdown menu

Fits all Porsche 718 Boxster / Cayman vehicles (2017+)

Direct replacement bolt-on Extra Extra large HJS German imported 200 cell HD European level 6 wash coat catalytic converters

as emissions devices are not affected by this system

Fabspeed Porsche 991.2 GT3 / GT3 RS Center Muffler Bypass Pipe 2017- 2019 Exhausts Standard OEM Catalysts are usuallyDirect replacement for the failure prone OEM GT3 center muffler providing improved flow, weight savings, and more aggressive sports car sound. Our new "Cross Over talk pipe" design blends the exhaust from the right and left cylinders creating an incredible smooth blended sound, and our simplified two bolt mounting system makes installing easier than ever. This is the World's Absolute Best GT3 center muffler replacement bypass system. Over 14