catback

Want to get a muffler delete on my 17 Q60 RS but have been reading it can cause issues with ECU, cause performance issues, etc...wondering if this is such a concern I should opt for axle-back or cat-back instead? Looking for nice deep sound on my Q but not obnoxious. Thanks in advance

Hey. I just bought Q60 RS AWD. It is fully stock. I am in Ukraine. Looking to buy best CATBACK for my car. Here is what I get to know right now. Cheapest Nvidia seems to be really quiet. Sounds bad with LDP as some said to me. MBRP needs additional resonators. Fast Intentions is the most...