2016 gmc sierra 4 sundown 8's

Not a demo but a tour of my system since the last video any questions hit me up

• #entertainment
• #gmc_sierra
• #2016_gmc_sierra
• #z71
• #gmc_sierra_system
• #gmc_sierra_stereo
• #gmc_sierra_subs
• #gmc_sierra_bass
• #sierra_bass
• #sierra_stereo
• #sierra_4_8s
• #4_8s
• #4_8s_sundown
• #sundown_8
• #sundown_e8
• #sundown_subwoofers
• #sundown_audio
• #skar_audio
• #pac_audio
• #audiocontrol
• #audio_control
• #bass
• #round_port
• #aero_port