Sound level tests on vehicles according to

• Regulation UNECE No. 51 (passenger cars and trucks)
• Regulation EU 540/2014 (passenger cars and trucks)
• Regulation UNECE No. 41 (motorcycles)
• Regulation UNECE No. 9 (3- and 4-wheel vehicles)
• Regulation UNECE No. 63 (mopeds)

Exhaust silencers conditioning according to

• Regulation UN/ECE No. 51 and No. 59 and EU 540/2014 (exhaust silencers for passenger cars and trucks)
• Regulation EU 134/2014 (exhaust silencers for motorcycles)
• Regulation UNECE No. 103 air pollution tests
• Regulation EU 134/2014 (exhaust silencers for motorcycles)

Power tests and simulations on roll bench

Mileage and durability tests