Fabspeed Porsche 991.2 Carrera Center Muffler Bypass X-Pipe (for Base) (2017-2019) Select:Select Tip Option=Carbon Fiber We use 4 inch piping

We use 4 inch piping from the engine side to the cat

racing oriented exhaust system built to be light and make power

HJS German Catalytic Converters and 321 Stainless Steel flex bellows

Consequently

Our Cat Bypass Pipe with Downpipe are a direct bolt-on replacement for the factory 718 catalytic converter and downpipe

Fabspeed Porsche 991.2 Carrera Center Muffler Bypass X-Pipe (for Base) (2017-2019) Select:Select Tip Option=Carbon Fiber We use 4 inch pipingFabspeed's T304L stainless steel X Pipe replaces the heavy factory center muffler, adding power while improving exhaust tone and saving weight FEATURES: Fits all Porsche 991. 2 Carrera (3. 0L Twin Turbo) base models equipped with standard exhaust (2017+) Does Not fit on cars equipped with factory exhaust valves Compatible with factory OEM tips, or with Fabspeed's Deluxe Quad Tips in your choice of finish Greatly improves horsepower and torque Dramatic