2018 VW GTI SE Ep.187: Prepping for the Helix Subwoofer Installation - YouTube
Original VW Plug&Play Helix Soundsystem Subwoofer - x2car.de - upgrad
Part #000051419 unboxing vid (VW / Helix Spare tire soundbox) | Page 3 | VW GTI MKVI Forum / VW Golf R Forum / VW Golf MKVI Forum / VW GTI Forum - Golfmk6.com