Jack – Don’t purchase a downpipe Except if the company gives a HP maximize estimate as well as a dyno chart. I've a 2016 Hyundai Sonota sport two.0t what will be my gains if I purchase a aftermarket downpipe? I already have a exhaust system & aem cold air ingestion https://titusycglo.illawiki.com/809555/downpipe_can_be_fun_for_anyone