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Dynamat Hoodliner

Stop Road Noise!

Item #: 15411905

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5 Reviews | 1 question - 1 answer

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Dress up your engine compartment with a Dynamat Hoodliner. The 3/4"-thick "Sound Soaker" foam absorbs up to 87% of your engine noise, delivering a quieter listening experience in your vehicle. The reinforced aluminum skin creates a water/oil barrier that reflects 97% of radiant heat, protecting your hood's finish.

Note: We've gotten great results using Dynamat Hoodliner by itself on a variety of vehicles. For engine compartments with high heat or noise levels, Dynamat recommends putting down a layer of Dynamat Xtreme first, and installing Hoodliner over it. You apply Dynamat Hoodliner to your hood's flat panel surfaces (not the ribs) — the packet includes one 55-1/2" x 32-1/2" sheet (12 square feet), plenty for just about any hood. Warranty: 60 days.

Dynamat Hoodliner Reviews

Average Customer Review:

5 Reviews

Dynamat Hoodliner

Written by: Blair from Pt Pleasant, NJ on January 27, 2015

Crutchfield Customer Review (What's this?)

Product looked well-made, but was unable to install due to temperatures of only 45°F. The backing glue would not stick to my hood at these temperatures. Still waiting for warmer temperatures, or may have to unbolt my hood and bring it inside to warm up on my TDI sport wagon and then install it.

Pros: Easy to cut.

Cons: Backing adhesive very temperature sensitive meaning will not stick in cold weather.

Dynamat Hoodliner helps

Written by: Anonymous from Ft. Pierce, FL on August 17, 2012

Crutchfield Customer Review (What's this?)

I wanted to make my 97 Saab Quieter so I could hear quiet passages of music. I also did not want to throw a lot of money at a car that wouldn't get more than $2500 if it was totaled. I used it without the Dynamat extreme as Dynamat recommended. The install is fine and the car seems quiter



Dynamat Hoodliner

Written by: Daniel from Buffalo, NY on May 14, 2011

Crutchfield Customer Review (What's this?)

I have a couple of quibbles with this product. First, at 5' x 3', I'm not sure it would cover most underhoods, much less mine which is not overly-large. Second, on the box it reads 'for optimal results, install over (a layer of) Dynamat Xtreme', which I did not have lying around the workshop. This was not hinted at either in the advertisement or in my pre-order tech support call. This is misleading and unhelpful. Of course I want 'optimal results', but don't necessarily want to pay more for it, or wait for the Dynamat Xtreme to arrive. So, disappointing on three counts, and this is before I find out if the product even works!



Dynamat Hoodliner

Written by: Bob from Ann Arbor, MI on September 30, 2009

Purchased for a manual transmission Subaru, where the mid-frequency noise from the engine at higher revs was just a bit annoying. I was skeptical whether the Hoodliner would cut it much without doing additional sound deadening on the floor and firewall. It actually worked far better than I had expected. Did a fantastic job of cutting engine noise across the spectrum and improved the listening (and driving!) experience. Well worth it.



Dynamat Hoodliner

Written by: Marshall from Jonesborough, TN on November 5, 2006

Crutchfield Customer Review (What's this?)

The Dynamat Hoodliner works exactly as advertised. After driving in town all day, the hood isn't even slightly warm! Great product and installation was very straightforward...just peel and stick. Highly recommended product.



Hands-on research

What's in the box?

  • One sheet of Urethane foam (has an acrylic adhesive and pull off liner on one side and a reflective aluminized surface on the other side)

Product Research



Materials: The Hoodliner consists of three separate layers. The first layer is a 1 mil reinforced, Aluminized heat reflector and water/oil barrier. "Sound Soaker" Urethane acoustic foam forms the middle layer. The third layer is a super aggressive 4 mil acrylic adhesive with an "EZ Peel" release liner.

Benefits: The Hoodliner has the following benefits:

  • Absorbs engine noise
  • Stops hood paint failure
  • Improves the look of the engine compartment
  • Tough Urethane foam is easy to cut
  • Reflects 97% of radiant heat and insulates
  • EZ Peel-N-Stick application makes for an easy installation


Instructions: For proper installation, follow these instructions:

  1. Thoroughly clean each mounting surface with a quick-drying solvent that is residue free (Isopropyl Alcohol, Acetone or Lacquer thinner), removing any grease, dirt, oil, wax, moisture or rust. With the surface clean and smooth, a permanent bond is assured.
  2. Using a razor knife or scissors, cut to the desired shape and size. Remove release liner. On large area applications, remove only a portion (8-10 inches) of release liner at a time, working your way down and across the panel in sections.
  3. Heating the panel surface you are mounting to before applying the material is recommended to insure proper adhesion. Also, heating the Hoodliner will make the glue stickier. This will keep the Hoodliner in full contact with the panel maximizing material efficiency.
  4. Apply the Hoodliner to the panel surface, starting at the top corner and working your way down and across, pressing the material into place as you go. With a roller tool, burnish the Hoodliner to the surface. Starting from the center, work it into all contours of the panel. Even if it's a smooth panel, rolling the material will insure lasting adhesion and full contact with the panel surface removing any trapped air.


  • Temperature Range: -40 to 225 degrees Fahrenheit
  • Weight LBS/SQ.FT: 0.20
  • Gauge: 0.75 inches
  • R-Value: 2.7
  • Radiant Heat Reflection: 97%
  • Flammability: Passes FMVSS-302

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Product reviews from the Crutchfield Labs

Adding Dynamat sound damping to your car quiets noise and vibration, giving you a quieter ride. This short video presents an overview of what Dynamat is and how it makes your music sound better.

What are the Labs?

Customer Q&A

1 question already asked

We have not received any answers from other customers on your question. I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They should be able to help answer your question. [ Krissy  Apr 30, 2014 ]  Staff

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