Product Description
The SoundSkins SSK-SRHD4DRV2 is a vehicle-specific, pre-cut sound treatment kit designed for 2020+ GMC Sierra 2500 HD and 3500 HD Crew Cab trucks. The kit provides 30 sq. ft. of SoundSkins Pro material across four machine-cut door pieces, giving professional installers a faster, cleaner alternative to templating and cutting bulk material.
SoundSkins Pro uses a 3-layer construction of acoustic foam, aluminum foil, and high-adhesion rubber butyl. The combination helps damp large door surfaces, control resonance and vibration, and reduce road and exterior noise entering the cabin. The material is 4.5mm thick and designed to withstand the heat and moisture found inside automotive doors.
For upgraded audio systems, properly treating the Sierra HD's doors creates a much better environment for the speakers. Controlling sheet-metal resonance and panel vibration helps keep more of the speaker's energy focused on producing music, resulting in tighter midbass, improved definition, fewer rattles, and cleaner overall sound.
For professional 12-volt shops, the pre-cut design also means less labor, less material waste, and a repeatable installation that can easily be added to speaker, amplifier, and DSP upgrades.
Key Features
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Vehicle-specific design for 2020+ GMC Sierra HD
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Designed for 2500 HD and 3500 HD Crew Cab 4-door models
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Treats all four doors
- 30 sq. ft. total coverage
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Includes 4 machine-cut door pieces
- 4.5mm overall material thickness
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Premium 3-layer construction
- Acoustic foam + aluminum foil + high-adhesion rubber butyl
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Helps reduce door vibration, resonance, rattles, road noise, and engine 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
- Pre-cut design reduces measuring, cutting, and installation time
- Excellent for factory speaker upgrades, component systems, amplifiers, and DSP-tuned builds
Why Treat the Sierra HD Doors?
Heavy-duty trucks have large doors and substantial metal surfaces that can become part of the audio system whether you want them to or not. As speaker output increases, untreated panels can flex and resonate, creating unwanted vibration and masking detail.
Sound treatment helps control those surfaces and gives upgraded speakers a more stable environment to work in. For dealers building a serious Sierra HD audio system, it's an excellent way to turn a standard speaker replacement into a more complete, higher-quality installation.
Fitment
GMC Sierra HD – 2020+
Models: Sierra 2500 HD / Sierra 3500 HD
Cab: 4-Door Crew Cab
Application: Four-door acoustic and vibration treatment
Specifications
Brand: SoundSkins
Part Number: SSK-SRHD4DRV2
UPC: 850015591334
Coverage: 30 sq. ft.
Pieces: 4 pre-cut door pieces
Thickness: 4.5mm
Construction: 3-Layer
Materials: Acoustic Foam / Aluminum Foil / Rubber Butyl
Weight: 20 lbs
Installation: Vehicle-Specific / Self-Adhesive
