Fabspeed Motorsport

HJS German-imported 200-cell HJS HD Sport Cats increase exhaust flow for better power and throttle response and improved sports car sound.                ...

High-performance bolt-on replacements for the heavy and restrictive OEM catalytic converters; increases power, sound, and throttle response.               ...

German-imported 200-cell HJS Sport Cats increase exhaust flow for better power and throttle response and improved sports car sound. FEATURES: Fits all Porsche 997 GT2 vehicles (2008-2009) Less...

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,...

  WHY YOUR SPORTSCAR MUST  ONLY HAVE  HJS GERMAN AUTOBAHN PROVEN Racing High Flow Catalytic Converters:  HJS Emission technology German imported EMITEC  catalytic converters...

  WHY YOUR SPORTSCAR MUST  ONLY HAVE  HJS GERMAN AUTOBAHN PROVEN Racing High Flow Catalytic Converters:  HJS Emission technology German imported EMITEC  catalytic converters...

Replaces the restrictive factory cats with high-performance modern catalytic converters for maximum performance and increased sports car sound FEATURES: Fits all Porsche 986 Boxster / S vehicles...

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,...

High-flowing catalytic converters that drastically increase exhaust flow compared to the factory bulky and restrictive catalytic converters. SOUND: Expect a mild increase in exhaust volume and a...

Replaces the restrictive factory catalytic converters with high-performance 200 cell HJS sport cats for maximum performance and sound. SOUND: These sport cats will give your M3 a mild increase in...

High-performance 200-cell HJS catalytic converters replace the restrictive factory primary catalytic converters for increased exhaust flow and improved power and sound. SOUND: Expect a mild but...

Replace the restrictive factory catalytic converters with high-performance 200-cell HJS Sport Cats for maximum performance and sound. SOUND: These Sport Cats will give your F355 a mild but noticeable...