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 ๐ | Facebook
Installed a spare tire subwoofer in my GTI : r/GolfGTI
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Long Term Review: Helix Sound Upgrade | Stealth GTI
Volkswagen Plug and Play sound system illustrated
ALBUM - VW Golf 7 di Alvise: upgrade dell'impianto audio originale