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Dynamat
Dynamat Xtreme

Dynamat Xtreme

Best price now

$234.99at eBayObserved at 4:33 PM

Compared across 5 stores. Prices are checked against each store and labelled with when.

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Our take on the Dynamat Xtreme

Dynamat Xtreme is a self-adhesive butyl-rubber and aluminum sound deadening mat for car doors, floors and panels. The 1.7 mm sheet is built for high heat and high sound pressure, damping road noise and vibration on bare sheet metal. The 36 sq ft bulk pack covers several doors or a floor. At $234.99 at eBay as of November 4, 2026, it is the lowest of five new prices and a fair entry for a full-vehicle job.

Best for
Car audio and stereo upgrades
Doors and floors with road noise
High-heat areas like firewalls
Enthusiasts and installers doing a full vehicle
Pros
  • Thick 1.7 mm butyl layer damps panels well
  • Aluminum facing diffuses heat and stiffens the sheet
  • Holds up in high-temperature areas
  • Self-adhesive backing speeds installation
  • 36 sq ft covers multiple doors or a floor
Cons
  • Heavy; adds weight to the vehicle
  • Needs a Dyna-Roller for proper adhesion
  • Bulk pack is more than a small job needs
  • Best performance only between 14°F and 140°F

Dynamat Xtreme prices at every store

  • Darkside MotoringNew

    In stock

    $235.36+ $25.00 shippingObserved at 4:33 PM
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  • CrutchfieldNew

    In stock

    $265.95Free shippingObserved at 4:33 PM
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  • eBayNew

    Availability unknownSold by brazoria

    $234.99Observed at 4:33 PM
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  • WalmartNew

    Availability unknown

    $239.95Observed at 4:33 PM
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  • Classic IndustriesNew

    Availability unknown

    $239.99Observed at 4:33 PM
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Dynamat Xtreme price history

Lowest price we've seen: $234.99 on Nov 4 at eBay. Tracked across 5 stores since Nov 4.

What reviewers say

Owners and installers rate Dynamat Xtreme as a strong, easy-to-apply damper that noticeably quiets doors and cuts road noise. Many say the bulk pack is the practical way to buy it, though it is heavy and costs more than generic mats.

Pros
  • Clear reduction in road and panel noise
  • Sticks well and stays put in heat
  • Cuts panel resonance for better bass
Cons
  • Price is high versus off-brand mats
  • Adds noticeable weight
  • Roller is needed and often sold separately

Specifications

Material Type
Sound deadening mat
Material Composition
Aluminum, Rubber
Product Type
Sound deadening mat
Subtype
Vibration isolator
Thickness
1.7 mm
Length
32 in (812 mm)
Width
18 in (457 mm)
Area
36 sq.ft.
Form Factor
Sheets
Intended Use
Automotive
Surface
Sheet metal, Hard metals
Water Resistance
Water resistant
Installation Method
Self-adhesive
Installation Tools
Dyna-Roller (for proper adhesion)
Color
Black
Style
Modern
Ideal Locations
Rear Door (on vehicle), Front Door (on vehicle)
Typical Users
Professionals, Car enthusiasts
Moisture Resistance
Yes
Temperature Resistance
14° - 140° (best performance)
Features
Diffuses heat

Questions and answers

Is Dynamat Xtreme worth it over cheaper mats?
For doors and floors in a daily driver, yes. The butyl layer and aluminum facing hold up in heat better than many asphalt-based mats, which can soften and smell. Generic butyl mats cost less but vary more in quality.
How much area does the 36 sq ft pack cover?
Roughly two front doors, two rear doors and some floor or trunk area, depending on panel size and coverage. Most installers cover 25 to 50 percent of a panel rather than the whole thing.
Do I need a roller to install it?
Yes. A Dyna-Roller or similar hard roller presses the mat into the metal and pushes out air pockets. Without it, adhesion is weaker and the mat can lift in heat.
Will it work in hot climates?
Yes. Dynamat rates best performance from 14°F to 140°F, and the aluminum facing diffuses heat. Clean and degrease the panel first so the adhesive bonds.
Is it waterproof?
It is water resistant, so occasional moisture in doors or floors is fine. It is not a substitute for fixing a leak.
When is the price lowest?
Bulk packs like this tend to dip during car audio sales and holiday promotions. The $234.99 eBay price as of November 4, 2026 is the lowest of five new listings.
Where is the Dynamat Xtreme cheapest?
At eBay, for $234.99, as of our latest check.
Where can I buy the Dynamat Xtreme?
5 stores we checked sell it, including eBay, Darkside Motoring, Walmart, Classic Industries, Crutchfield.