The Maserati Levante finally has the roar it always should have had. The Ferrari sourced V8 performs great already but it dramatically benefits from a set of Fabspeed Motorsport Sport Cats. You'll...

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            ...

A smart upgrade for all 981 models, especially cars driven on track by professionals and amateurs alike. These heat shields protect the ignition coil packs and wires from extreme radiant heat...

Improves power and sound by increasing cold air flow to the engine by 20% in conjunction with a BMC F1 Air Filter.   FEATURES:  Fits all Porsche 997 Carrera vehicles 2005-2008...

Direct upgrade/replacement for OEM LDZ turbo resulting in significant power gains and quicker spool                           ...

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,...

Autobahn warriors, road course circuit warriors, drag race enthusiasts - GT2RS ready for take off! Replace the restrictive OEM ceramic GT2RS 700 cell catalytic converters and OEM Titanium muffler...

Replace the restrictive McLaren GT OEM 700+ cell-per-square-inch (CPSI) catalytic converters with two ultra high-performance 200 cell HJS German-Imported Tri-Metallic high flow catalytic converters...

Houston, we're ready for take off! Get the highest performance per dollar modification and achieve incredible power gains (+60 WHP & +85 FT-LBS) without sacrificing driveability or reliability...

Why We Choose HJS Catalytic Converters:  HJS German imported catalytic converters are made from some of the highest grade materials you can find in a catalytic converter. This yields high...

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,...

Give your G8x M3/M4 more sound and power with our high-flow catted downpipe. Fabspeed Motorsport's engineering team consulted with HJS Motorsport and chose the largest HJS catalytic converter that...

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...

High-performance bolt-on replacement for the heavy and restrictive OEM catalytic converter. Increase the power, sound, and throttle response of your 308. SOUND: Experience the way your 308 was meant...

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,...

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,...

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,...

FEATURES: Fits all Maserati Ghibli V6 Turbo models (must specify Base or Q4 model) (Does not fit V8 Trofeo or Hybrid) Dramatic improvement in sports car sound and power throughout the RPM...

Replaces the restrictive factory catalytic converters with much less restrictive straight-through pipes for maximum flow and performance                 ...