Fabspeed Ferrari 812 Superfast/GTS Sport Cats (2018+) 955 S (2002-2007) Our dyno proven design significantly

Our dyno proven design significantly increases power and exhaust note

It was our mission to develop an exhaust system that was capable of retaining a valved system for the ultimate balance between street

9 ft-lbs torque

Direct replacement for the factory Porsche OEM T-outlet style tips

Fabspeed Ferrari 812 Superfast/GTS Sport Cats (2018+) 955 S (2002-2007) Our dyno proven design significantlyHP (whp) (crank): +30 +36 TQ (ft lbs): +32 WT (lbs) (KGs):: 9 4. 1 Open up your Ferrari 812's V12 engine with our High Flow HJS Sport Cats. These sport cats feature German made HJS 200 cell EURO 6 EC certified compliant tri metallic catalytic converters. We use enlarged 5in 127mm piping from the engine side to the cat, greatly improving flow over the factory design. These are the largest and highest flowing catalytic converters you can fit on the 812