As for your air intake and exhaust, they sound like superior parts…only I stress the exhaust could possibly be way too huge. I’m not sure what engine you have, so I can’t be specific. Why not? There’s nothing exceptional to an S5 that makes them a good or terrible notion. https://kameroniosx62851.timeblog.net/63536638/unleashing-performance-the-ultimate-guide-to-downpipes-for-audi-rsq8-rs6-c8-and-a4-b9