The SoundSkins SSK-SIER4DRV2 is a vehicle-specific sound treatment kit designed for 2019+ GMC Sierra 1500 Crew Cab trucks. It includes four machine-cut SoundSkins Pro door pieces providing approximately 30 sq. ft. of total coverage, allowing professional installers to treat all four doors without spending valuable installation time measuring and cutting universal material.
The Sierra's large door surfaces can resonate and vibrate as speaker output increases. SoundSkins Pro helps control those surfaces, reducing unwanted vibration, rattles, and road noise while creating a more stable acoustic environment for factory or aftermarket speakers.
For audio upgrades, that improved mounting environment can help deliver tighter midbass, better definition, and cleaner overall sound. This makes the SSK-SIER4DRV2 an excellent add-on to speaker replacements, component systems, amplifier upgrades, and DSP-tuned installations.
For professional 12-volt shops, the pre-cut design also means less fabrication, less material waste, and more consistent installation time from one Sierra to the next.
Key Features
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Vehicle-specific design for 2019+ GMC Sierra
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Designed primarily for Sierra 1500 Crew Cab 4-door applications
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Treats all four doors
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Approximately 30 sq. ft. total coverage
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Includes 4 machine-cut door pieces
- 4.5mm overall material thickness
- 3-layer SoundSkins Pro construction
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1.5mm butyl + 3mm acoustic foam, with foil layer
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Helps reduce door vibration, resonance, rattles, and road noise
- Helps create a more controlled acoustic environment for door speakers
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Can improve midbass definition and overall system clarity
- Waterproof and heat-resistant foam and butyl
- High-adhesion backing for secure installation
- Pre-cut design reduces measuring, cutting, and material waste
- Excellent for speaker, amplifier, and DSP system upgrades
Why Treat the Sierra's Doors?
A speaker upgrade is only part of improving an audio system. The door itself becomes part of the speaker's acoustic environment, and large untreated metal panels can flex and resonate instead of allowing the speaker to work from a solid foundation.
Proper treatment helps control the door structure and reduce unwanted panel movement. This becomes increasingly important when adding higher-performance speakers and additional amplifier power.
For a professional Sierra audio build, door treatment is a smart upgrade to perform while the doors are already disassembled for speaker installation.
Fitment
GMC Sierra 1500 – 2019+
Cab: 4-Door Crew Cab
Application: Four-door sound treatment
SoundSkins' current primary compatibility specification identifies the kit for 2019+ Sierra 1500 Crew Cab models. Their page also contains older copy mentioning 1500/2500/3500 fitment, but because SoundSkins now offers the separate SSK-SRHD4DRV2 for 2020+ Sierra HD, I recommend UM list SSK-SIER4DRV2 as the Sierra 1500 kit and direct HD customers to the HD-specific SKU.
Specifications
Brand: SoundSkins
Part Number: SSK-SIER4DRV2
UPC: 850015591297
Vehicle: GMC Sierra 1500
Model Years: 2019+
Cab: Crew Cab / 4-Door
Coverage: Approximately 30 sq. ft.
Pieces: 4 pre-cut door pieces
Thickness: 4.5mm
Butyl Thickness: 1.5mm
Acoustic Foam: 3mm
Construction: 3-Layer
Materials: Acoustic Foam / Aluminum Foil / Rubber Butyl
Weight: 20 lbs
Product Type: Vehicle-Specific Sound Deadening & Acoustic Treatment Kit
Ideal For
Factory speaker upgrades, component speaker installations, amplified door speakers, DSP-tuned systems, sound-quality builds, road-noise reduction packages, and complete GMC Sierra audio upgrades.
