VW Retrofit LTD - Golf MK7 TDI upgraded with Helix subwoofer kit. 2h ish job including fitting and programming sound parameters. Quite good results from such a small box 😊 | Facebook
VW Golf R Audio Upgrade And Target Blueye | Audiofile Incar - YouTube
Genuine Volkswagen Audi - 000051419B - Spare Tire Mount Subwoofer Retrofit Kit (000 051 419 B)