The sport air filter is the ideal marriage of motor sport technology (up to 40% more airflow than conventional filters) and cost-effectiveness (the filter can be rinsed out and used again). The high airflow leads to an improvement in acceleration, petrol consumption and engine output (on average, an increase in output of up to 5%, Golf GTi 4 hp). The sport air filter is encased in the original filter box, thus replacing the paper filter.
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