K&N VS. RS Air Filter: QUAL FILTRO É MELHOR NO CIVIC SI K20? - Alta RPM

Use coupon code "altarpm" to get 2% off your tire purchase on the Pneufree.com website: https://www.pneufree.com.br/ Use coupon code "ARPM10" to get 10% off your purchase of products on the RS Air Filter website: https://bit.ly/site-rs-filtros It's time to settle an old question: is a K&N sport air filter better than an RS Air Filter model? I tested two single-flow models, one from the American brand and another from the Brazilian brand, on a Honda Civic Si K20. As a bonus, I also tested a dual-flow RS Air Filter model on the same intake. And the results were impressive! Click play and check it out! Follow Pneu Free on Instagram: @pneufreecom Follow Pneu Free on Facebook:   / pneufree   Follow Pneu Free on YouTube: @pneufree.com Follow RS Air Filter on Instagram: @rsairfilter Follow RS Air Filter on Facebook:   / rsfiltros   Follow RS Air Filter on YouTube:    / rsairfilter   Meet Made For Street: Website: https://madeforstreet.com.br/ Instagram: @madeforstreetmotorsport Facebook:   / madeforstreetoficina   #altarpm #test #civicsi