Fabspeed Motorsport

Fabspeed Shelby GT500 RENNKRAFT™ Modular Sport Catalytic Converters (2020-2022)


These patented modular Shelby GT500 REKRAFT™ Sport Catalytic Converters are the perfect solution for any street and track focused GT500 owner. Adding significant power and sound, you have the option to go with ultra high-performance HJS German Imported HD Catalysts or our modular design featuring a quick release V-band connector allows the owner to easily swap between our German made HJS 200 cell cats and a cat bypass “straight pipes” for all out competition race track use. REKRAFT™, translated from German is “race power”. These unique Sport Catalytic converters offer true street and racetrack functionality in an innovative precision engineered package.


Fits all Ford Shelby GT500 vehicles (2020-2022)

The HJS Catalytic Converters will support 1200HP+

Includes Cat-Bypass Pipes for off-road and track days ONLY

Modular design that uses a V-band clamp so one can quickly swap between cats and cat bypass

The RENNKRAFT™ system has been awarded a US Patent and is the only system of its kind in the world

Switching to cat-bypass for track events prevents catalytic converter degradation during all out competition racing abuse

Designed from 3D scans using our Creaform Handyscan 700 and CAD designed so we can achieve perfect bolt-on fitment

German-made HJS HD tri-metallic 200-cell EURO 6 homologated catalytic converters for best performance and reliability - the largest catalytic converters that will fit in the factory location for maximum flow

Fabspeed is the exclusive North American & South American importer and distributor for HJS Emissions Technology with HJS warranty

Sport Cat variation will flows 90%-93% of a straight pipe

Optimized for maximum performance with NO catalyst generated check engine light, guaranteed

No ECU tune required

NOT EPA or CARB Certified and not be used on street driven vehicles

Constructed from CNC mandrel-bent T304L stainless steel