Audi q5l2020 and previous models do not have particle traps, but after 2021, there are particle traps.
The particle trap is a filter in the engine exhaust system that can trap particles in automobile exhaust and purify the exhaust. Particle traps were once the preserve of diesel engines. However, the more stringent National VI emission standards have introduced limits on the number of engine exhaust particles, so that particle traps are also installed on gasoline engines.
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