CLEPA presentation of the results of its noise-emission tests on seven vehicles comparing original equipment and replacement (aftermarket) silencing systems (mufflers) under the “Additional Sound Emissions Provisions” test procedure.

CLEPA presentation on two alternatives for the application of “additional sound emission provisions” (ASEP) to replacement silencing systems.

CLEPA presentation of the results of its noise-emission tests on seven vehicles comparing original equipment and replacement (aftermarket) silencing systems (mufflers) under the “Additional Sound Emissions Provisions” test procedure.

CLEPA presentation on two alternatives for the application of “additional sound emission provisions” (ASEP) to replacement silencing systems.