Garage
Shop

See all parts that fit your 2018 Optima

Stinger RKU8

RoadKill Ultimate Damping Universal Kit - 2 Pack

Stinger
Shop all Stinger
highlight-star-icon

• Self Adhesive
• Waterproof Design
• Reduce Vibrations and Engine Noise
• 2 Pack of 18" x 32" Material

Learn more about the rku8
Universal fit Icon

Universal – fits most vehicles.

Similar items | Update vehicle | Vehicle store
List price $259.00
Thanks , You Pay:
-58%

$107.99

 with warranty
Starting at $10/mo or 4 payments of $27 Buy now, pay later and installment payment plans are offered by Afterpay and Affirm. Learn more

Heads up

Your vehicle can use this product in multiple locations. Only a quantity of one can be selected from the product page. You will have the option to adjust the quantity within your cart.

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Quantity
In Stock
Brand new

Buy it now


Acima Logo

No Credit Option

Flexible Lease Payments

Early Purchase Options

Quick Approval Decision

Swoosh Icon Icon of Swoosh

For over 25 years, we've been your X-Factor – the team dedicated to having the biggest impact on your shopping experience!

Award winning icon
Award-Winning Service
Shipping icon
FREE Shipping Orders $49+
60 days return policy icon
60-Day Easy Returns
lowest price guarantee icon
Guaranteed Lowest Price
inHouseExpert
In-House Experts

Loading...
VSP65KIT2F main

NVX VSP65KIT2F

750W Peak (250W RMS) 6.5" V-Series 2 Way Component Car Speakers

11
-16.67%

$119.99

List price $143.99

REF4032CFXAM main

Infinity Reference REF-4032cfx (REF4032CFXAM)

210W Peak (70W RMS) 4" Reference Series 2 Way Coaxial 3-ohm Speakers

1
-42.84%

$79.99

List price $139.95

Description


Stinger brand icon

Authorized dealer

Stinger presents their new line of noise and vibration dampening material. The RoadKill Ultimate RKU8, combines the benefits of Stinger’s line of Expert aluminum/butyl material and Overkill acoustic foam.RoadKill Ultimate is the best solution to reduce a massive amount of unwanted resonating noise including but not limited to: panel vibrations, road noise, exhaust, engine noise & vibration—all of which degrade audio quality. Having a build designed and installed with RoadKill Ultimate allows the audio system to sound even louder and with more clarity and definition.

General Features:

  • Improves overall audio frequency response and bass output
  • Kills panel resonance, squeaks and rattles
  • Self-adhesive for easy installation
  • Use on all metal panels, doors, roof, floor, firewall & trunk
  • Highest damping vs. weight ratio of any material available
  • Waterproof Design
  • Total Area: 8 sq-ft ( 2 Pack 18” x 32” noise deadening material)
  • Acoustic foam outer layer
  • Aluminum middle layer helps with heat dissipation.
  • Proprietary, ultra-dense butyl blend bottom layer
  • Absorbs acoustical energy that causes unwanted rattles and reduces vibrations.
  • Also Available in a 9 Pack of deadening material
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Loading...
BV850ACP main

Boss Elite BV850ACP

6.75" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto with Backup Camera

5
Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

122
-33.36%

$79.96

List price $119.99

DMH-1800NEX main

Pioneer DMH-1800NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready

2
-16.67%

$349.99

List price $420.00

iLX-W650 main

Alpine iLX-W650

7" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

123
-5.72%

$329.95

List price $349.95

DMH-W4660NEX main

Pioneer DMH-W4660NEX

6.8" Double DIN Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Android Auto (SiriusXM Ready)

2
-20.00%

$599.99

List price $750.00

43DSC6504 main

Kicker DSC650 (43DSC6504)

480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)

28
-10.53%

$84.99

List price $94.99

DB652 main

Polk Audio DB652 (DB 652)

600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

12
-9.16%

$109.00

List price $119.99

Limited time!
Club 622 main

JBL Club 622

360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

5
-28.58%

$99.95

List price $139.95

CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3
MPK 163.3 main

Hertz MPK163.3

600W Peak (300W RMS) 6.5" Mille PRO Series 3-way 4-ohm Component Speaker System

2
-14.89%

$999.99

List price $1175.00


Best selling similar products

050147 small

Boom Mat 050147

• Sound Deadening Headliner Kit
• Compatible with select 1997-2006 Wrangler and Wrangler Unlimited
• Material Use: Sound Barrier
• Material Thickness: 1"
• Sheet Amount: 2 piece (pre-cut) with 6 filler strips
• Install Location: Headliner

(1)

$199.99

List price $297.52

SPEC-GUN-BOTTLE small

Second Skin Audio SPEC-GUN-BOTTLE

• Spectrum Spray Gun and Bottle
• Used with Spectrum Spray on Deadener and other undercoats
• Refillable bottle, smooth and easy spraying
• Comes with (2) tubes: 3-1/4" long and 7-1/4" long

$39.99

List price $47.99

SDBSK2 small

NVX SDBSK2 Premium Stealth Black

• 1.38 square feet sound deadening kit
• Solid black design for any stealth car audio installation
• Material Used: Vibration Dampener
• Material Thickness: 0.091
• Install Location: Speaker
• Pack includes two 10" x 10" sheets

(46)

$14.99

List price $18.74

SDTK20 small

NVX SDTK20

• 20 square feet sound deadening kit
• Material Used: Vibration Dampener
• Material Thickness: 0.091 (2.3 mm)
• Install Location: Trunk
• Pack includes five 18" x 32" sheets

(123)

$49.99

List price $71.99

SSTAPE small

Ballistic SSTAPE

• Universal seam sealing tape
• Seals the seams of the Ballistic sheets
• 1-1/2" (38mm) x 30 feet roll
• Tape Material: Aluminum
• Color: Silver

(1)

$11.99

List price $13.99

050132 small

Boom Mat 050132

• Sound Deadening Headliner Kit
• Compatible with select 2007-2010 Wrangler
• Material Use: Sound Barrier
• Material Thickness: 1"
• Sheet Amount: 3 piece (pre-cut) with 11 filler strips
• Install Location: Headliner

$189.99

List price $312.39

SDBP40 small

NVX SDBP40

• 36 square feet sound deadening kit
• Material Used: Vibration Dampener
• Material Thickness: 0.091 (2.3 mm)
• Install Location: Entire Vehicle
• Pack includes nine 18" x 32" sheets

(131)

$104.99

List price $119.99

SDRLR1 small

NVX SDRLR1 Sound Dampening Rubber Roller

• Universal heavy duty roller for installing sound deadening mats
• Compatible with NVX, Dynamat, and other brands
• Thick plated steel frame
• 2" solid, soft urethane rubber roller

(125)

$10.99

List price $13.99

050131 small

Boom Mat 050131

• Sound Deadening Headliner Kit
• Compatible with select 2007-2010 Wrangler Unlimited
• Material Use: Sound Barrier
• Material Thickness: 1"
• Sheet Amount: 4 piece (pre-cut) with 18 filler strips
• Install Location: Headliner

$269.99

List price $381.55

11103 small

Dynamat DynaLiner 11103

• 1/2" DynaLiner High Performance Insulation Kit
• Used on Top of Dynamat
• Provide High Acoustic Absorption and Excellent Thermal Insulation
• Contains One 32" x 54" Sheet
• Ultra Lightweight & Flexible

(5)

$117.95

List price $141.19

Specifications & Details


Sound Damping Specifications
Installation Location
Universal
Total Amount of Material
8 square feet
Material Use
Sound Absorber
Secondary Use
Vibration Dampener
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

RKU8

Weight:

3.00lbs

Internal SKU:

rku8

Internal Product ID:

159403

Customer Ratings & Reviews


Stinger RKU8 thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found


AX-DUALUSB small

Axxess AX-DUALUSB

Dual USB Charging and Data Transfer Cigarette Socket

(3)

$16.99

List price $21.37

DCWR122 small

Kicker DCWR122 (48DCWR122)

2000W Peak (1000W RMS) Loaded Dual 12" Vented Enclosure

(2)

$439.96

List price $599.99

AXM-USB-MICRO small

Axxess AXM-USB-MICRO

Micro USB to USB Charge and Sync Cable

(2)

$4.99

List price $7.99

No picture

RE Audio DTS-500.4 R/B

400W, 4-Channel Class A/B DTS Series Car Amplifier

$54.95

List price $289.99

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2018 Kia Optima

1998 Dodge Caravan

2009 Ford Escape

2011 Chrysler 200

1999 Ford Explorer

1968 MG MGB

2010 Ford Edge

2016 Buick Regal

1997 Ford Taurus

2004 Saab 9-3

Vehicle
Store
Delete

2023 Harley Davidson FLHT Electra Glide Standard

2001 Harley Davidson FLHT/I Electra Glide Standard

Vehicle
Store
Delete

2018 Can-Am Defender MAX HD8

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.