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
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Custom Sub & Amp Combo - MK6 GTI/Golf R | VW GTI MKVI Forum / VW Golf R Forum / VW Golf MKVI Forum / VW GTI Forum - Golfmk6.com
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MK7 Golf R build log - A-pillars, Morel Elate Ti, Zapco Z-series | DIYMobileAudio.com Car Stereo Forum
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