HJS Tuning
Catalysts & ECE Downpipes

Our catalysts with a cell count of 200/300 cpsi were developed on the basis of motorsport catalysts. The product portfolio ranges from downpipes with ECE R103 approval to universal catalysts.

ECE Downpipes

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

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.

FIND YOUR
TUNING DOWNPIPE
NOW

Learn more about our products

Our Cookies

By using this website you agree to the use of cookies. Detailed information about the use of cookies on this website can be found in the Privacy policy.


Accept selectionAccept all