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
Subwoofer Added on Stock Sound System | GOLFMK7 - VW GTI MKVII Forum / VW Golf R Forum / VW Golf MKVII Forum
subwoofer upgrade Fender Audio | Page 5 | GOLFMK7 - VW GTI MKVII Forum / VW Golf R Forum / VW Golf MKVII Forum
![Subwoofer upgrade standard HU | GOLFMK7 - VW GTI MKVII Forum / VW Golf R Forum / VW Golf MKVII Forum Subwoofer upgrade standard HU | GOLFMK7 - VW GTI MKVII Forum / VW Golf R Forum / VW Golf MKVII Forum](https://www.golfmk7.com/forums/proxy.php?image=https%3A%2F%2Fuploads.tapatalk-cdn.com%2F20160113%2F6c699eaf813708e97c4cbc010273b2ae.jpg&hash=ecf5814c509ca569e00996fbfd143d22)