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
MK7 Golf R build log - A-pillars, Morel Elate Ti, Zapco Z-series | Page 2 | DIYMobileAudio.com Car Stereo Forum
subwoofer upgrade Fender Audio | Page 5 | GOLFMK7 - VW GTI MKVII Forum / VW Golf R Forum / VW Golf MKVII Forum
2014 - 2020 VW GTI / GOLF 5 Channel Amp and Sub Install | MK7 - YouTube