Helix hifi upgrade review - Modifying your Golf R MK7 - VWROC - VW R Owners Club
Helix Sound package for Mk7/Mk7 5 Golf - Supply and Fit -
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
Audison APBX G7 10" Sealed Passive Subwoofer for Volkswagen Golf 7 - Life Style Store