REMUS component made in Austria and classified as a rear silencer. Identification: MPN 794019 0500LR, EAN 9029200329064. Manufacturer technical description: ATTENTION: No vehicle modifications required! Only mountable together with AD0259V. Installation/fitting at the serial mounting points. When fitting REMUS sports silencers, cat-back systems and cat replacement pipes designed for use on closed tracks, it is advantageous to carry out an ECU remapping, in order to exploit the optimum performance of the exhaust system and to prevent the check engine from lighting up.. Approval status: EC approved for all listed applications. The manufacturer specifies combination restrictions; verify the related MPNs. Key applications: CUPRA Leon SP KL, SEAT Leon 5F. Verify the part number, engine variant and approval status for the exact vehicle before installation.