Genuine HJS Tuning catalytic converter cores for replacement/upgrade of restrictive factory cats.  This is an individual catalyst; welding required                                          ...

Genuine HJS Tuning catalytic converter cores for replacement/upgrade of restrictive factory cats.  This is an individual catalyst; welding required.                                        ...

Genuine HJS Tuning catalytic converter cores for replacement/upgrade of restrictive factory cats.  This is an individual catalyst; welding required.                                        ...

Why We Choose HJS Catalytic Converters:  HJS German imported catalytic converters are made from some of the highest grade mat

Genuine HJS Tuning catalytic converter cores for replacement/upgrade of restrictive factory cats.  This is an individual catalyst; welding required.                                          ...

Why We Choose HJS Catalytic Converters:  HJS German imported catalytic converters are made from some of the highest grade mat

The exhaust system is one of the cores of a vehicle's performance. It contains important components such as a downpipe and header, designed cooperatively to increase exhaust flow, decrease...

Our Race Competition Performance Package will unleash your Urus and transform both the sound and driving characteristics.  XperTune Performance software upgrade improves horsepower, torque, and...

Why We Choose HJS Catalytic Converters:  HJS German imported catalytic converters are made from some of the highest grade mat

Our Sport Competition Performance Package will totally wake up your Urus and transform both the sound and driving characteristics. XperTune Performance software upgrade improves horsepower, torque,...

Fabspeed's Sport Catalytic Converters replace the restrictive factory cats with high-performance German-imported 200-cell HJS catalytic converters for significantly improved performance and sound...

Fabspeed Audi SQ8 Sport Catalytic Converters replace the restrictive factory cats with high-performance German-imported 200-cell HJS catalytic converters for significantly improved performance and...

Fabspeed's Sport Catalytic Converters replace the restrictive factory cats with high-performance German-imported 200-cell HJS catalytic converters for significantly improved performance and sound...

FEATURES: Fits Jaguar F-Pace S Models Only (3.0L Supercharged V6) 2016+ Increased throttle response and noticeable power gains  Get an aggressive rumble when you accelerate without any droning off...

These Shelby GT500 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...

PURCHASE DISCLAIMER: Fabspeed Motorsport does not condone the use of emission defeat devices for any vehicles used on public streets or roadways. Fabspeed Motorsport will not tamper, remove, disable,...

Replace the four restrictive factory OEM catalytic converters with two ultra high-performance German HJS 200-cell sport cats for maximum performance and sound, and no check engine light guaranteed...

PURCHASE DISCLAIMER: Fabspeed Motorsport does not condone the use of emission defeat devices for any vehicles used on public streets or roadways. Fabspeed Motorsport will not tamper, remove, disable,...

Fabspeed Lamborghini Urus Sport Catalytic Converters replace the restrictive factory cats with high-performance German-imported 200-cell HJS catalytic converters for significantly improved...

These patented modular Shelby GT500 RENNKRAFT® Sport Catalytic Converters are the perfect solution for any street and track focused GT500 owner. Adding significant power and sound, you have the...