Helix hifi upgrade review - Modifying your Golf R MK7 - VWROC - VW R Owners Club
VW Golf R Audio Upgrade And Target Blueye | Audiofile Incar - YouTube
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
Looking for a custom fit subwoofer - MK7 GTI | GOLFMK7 - VW GTI MKVII Forum / VW Golf R Forum / VW Golf MKVII Forum