Sound deadening material is applied to doors, floors, roofs, trunks, and other metal panels in a vehicle. Thin body panels vibrate with road noise, wind, and energy from speakers and subwoofers. Damping mats and related layers add mass and convert that vibration into heat, so the panels stop ringing and buzzing.
In the cabin, that means less tire roar and wind noise, and fewer rattles when the music is playing. For sound quality, speakers work into a quieter, more rigid space: bass stays tighter with less panel flex, midrange detail is easier to hear because road noise no longer covers it up, and the system can play cleanly at normal volumes with more usable dynamic range. The same amplifier and speakers simply sound clearer once the vehicle itself is quieter and more solid.
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Stinger RKXHL RoadKill Hood Liner 32″ × 54″
Stinger RKXHL RoadKill Hood Liner is a 32″ × 54″ (12 sq ft) self-adhesive sheet for the underside of the hood. It helps reduce engine noise through the hood and trims to clear braces, hinges, and factory heat shields.
$278.99 -
Stinger RKXDK RoadKill Expert Door Kit 12 Sq Ft
Stinger RKXDK RoadKill Expert Door Kit includes six 12″ × 24″ sheets for 12 sq ft of door-focused damping. Treat inner door skins and baffles with self-adhesive Expert mats without ordering a full bulk carton.
$208.99 -
Stinger RKX4 RoadKill Expert Universal 4 Sq Ft
Stinger RKX4 RoadKill Expert is a 4 sq ft universal pack with two 12″ × 24″ self-adhesive damping sheets. Use it for small panels, trunk spots, or a first RoadKill Expert install before ordering bulk coverage.
$78.99 -
Stinger RKX36B RoadKill Expert 36 Sq Ft
Stinger RKX36B RoadKill Expert is a 36 sq ft bulk pack with nine 18″ × 32″ self-adhesive damping sheets. Cover doors, floors, and trunks on larger projects with classic RoadKill Expert aluminum-faced mats.
$518.99 -
Stinger RKU8 RoadKill Ultimate 8 Sq Ft
Stinger RKU8 RoadKill Ultimate is an 8 sq ft dual-layer damping pack with two 18″ × 32″ sheets. Use it for doors, trunks, or focused panels when you want Ultimate construction without a full 36 sq ft bulk carton.
$258.99 -
Stinger RKU36 RoadKill Ultimate 36 Sq Ft
Stinger RKU36 RoadKill Ultimate is a 36 sq ft dual-layer damping bulk pack with nine 18″ × 32″ sheets. Treat doors, floors, firewalls, and trunks when you need heavier RoadKill Ultimate coverage in one carton.
$898.99 -
Stinger RKST36B RoadKill Stealth Black 36 Sq Ft
Stinger RKST36B RoadKill Stealth Black is a 36 sq ft bulk pack of self-adhesive damping mats with a black aluminum face. Treat doors, floors, trunks, and roofs for less vibration and road noise with a low-visibility finish.
$518.99 -
Stinger RKFR69 RoadKill Fast Rings 6″ × 9″
Stinger RKFR69 RoadKill Fast Rings are a 3-piece foam ring kit sold in pairs for 6″ × 9″ speakers. They seal aftermarket ovals to factory openings, add a rear foam pad against panel reflections, and stick in place for a clean speaker upgrade.
$48.99 -
Stinger RKFR6 RoadKill Fast Rings 6.5″
Stinger RKFR6 RoadKill Fast Rings are a 3-piece foam speaker ring kit sold in pairs for 6″ and 6.5″ speakers. They seal aftermarket speakers to factory openings, add a rear foam pad to cut reflections, and install with peel-and-stick adhesive during a speaker upgrade.
$28.99 -
Stinger RKCP12 RoadKill Carpet Pad 32″ × 54″
The Stinger RKCP12 is a 32″ × 54″ RoadKill carpet foam pad that covers about 12 square feet. Use it in trunks, on floors, and under enclosures to add dense foam isolation with a carpeted face. The self-adhesive sheet trims to fit braces and wheel wells on clean metal surfaces.
$278.99