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  • Genuine HJS Tuning catalytic converter cores for replacement/upgrade of restrictive factory cats.  This is an individual catalyst; additional fabrication required for use.  (Photos are representational; actual appearance/markings may vary slightly.)
  • Tri-wound metallic cores withstand high horsepower applications while offering greater flow properties and increased power.  (Photos are representational; actual appearance/markings may vary slightly.)

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HJS Tuning Catalyst | 200-cell 108mm OD x 100mm L (Non-Directional)


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Fabspeed Motorsport | HJS Catalytic Convertors Dealer & Distributor (01:20)
Fabspeed Motorsport USA is the North America & South America exclusive dealer/distributor for HJS Emission Technology Catalytic Converters. HJS Emission Technology has been engaged since 1990 in the development and production of HJS catalysts and exhaust systems for motorsport. Based on the experience it has accumulated in motorsport, HJS has for over 10 years now also produced tuning catalysts for road-going vehicles. HJS customers – from amateur sportspeople to works teams and hobby tuners to vehicle manufacturers – know us as an efficient, service-oriented company. Innovative technologies and products, customer satisfaction and long-lasting business relations are the basis for our future. At the same time, we make an important contribution to the protection of both humans and the environment. ----------------------- Feel free to visit fabspeed.com, call or stop by with any questions, concerns or comments. ----------------------- Fabspeed Motorsport elevates the exotic car experience through personalized performance; offering more product options and configurations than any other exotic car tuner, allowing us to custom tailor a sound and performance solution that meets your exact needs and compliments your lifestyle. For over 20 years, Fabspeed has been engineering and manufacturing the world's finest stainless steel high performance exhaust systems and components, air intake products, ECU tuning, and more, specifically-tailored for high-end sports cars and exotics. From Porsche to McLaren, our expertise is unmatched and it shows in everything that we do. Our dyno-proven performance products provide an exhilarating driving experience and are backed by a Limited Lifetime Warranty. Fabspeed strives to be a force of innovation within the industry; dedicated to maximum performance, excellent service, and true care and concern for the development of products and services for exotic car enthusiasts.

Product Description

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


  • CPSI (cells per square inch): 200
  • Diameter: 108mm
  • Duration (length): 100mm
  • Directional: No


HJS Tuning

HJS has more than 30 years of experience and expertise in the field of exhaust-gas aftertreatment. For 10 years, we have been engaged in the development, production and marketing of HJS catalysts, downpipes and exhaust systems for tuned passenger cars. We regard ourselves as partners for our customers, who try to do everything to help them to be successful.

Thanks to our innovative technologies, the excellent quality of our products and our customer-oriented approach, we at HJS enjoy a high level of market acceptance. At the same time, we are making an important contribution to protecting mankind and the environment. 

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