/ @passionforpetrol completely forgot to mention that the first of the two clips driving towards the end of the video is the before clip, followed by the after clip, didn't put the text there like a muppet! In today's video I'm installing a racingline turbo muffler delete to my 2020 polo gti AW. People claim that these deletes increase turbo response, power, and noise, so we'll be putting that to the test. Air flow testing: https://mygolfmk7.com