Tuning Products

HJS Tuning Catalysts with 200cpsi

HJS tuning catalysts with 200 cpsi have been developed on the basis of our motorsport catalysts. The product range extends from downpipes with ECE R103 approval to ECE catalytic converters to universal catalysts.

HJS has the right product for every application.

ECE downpipes

HJS’s ECE-approved downpipes can be combined with standard-production and tuning exhaust systems from many different manufacturers.

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ECE catalysts

HJS’s ECE R103-approved tuning catalysts have been developed on the basis of our motorsport catalysts. These catalysts are the right component for self-designed exhaust systems.

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Universal catalysts

HJS’s universal catalysts have been tested for Euro 1 to Euro 6 vehicles. You will have no problems with your EOBD or MOT inspection.

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