Unlike other sound deadening options that just barely reduce exhaust noise, the Storystore 394 Mil 16.5 sqft Car Sound Deadening Mat truly made a difference in my tests. It’s thick, with a solid 394 mils of insulation, and it blocks out those nagging exhaust vibrations completely. The moment I installed it around my rear exhaust pipe, I noticed a dramatic drop in noise and heat transfer. It’s tough enough to handle engine and exhaust heat without any worries.
This mat is versatile too—easy to cut, quick to install, and covers a wide area. It’s perfect if you want a durable, high-quality product that actively dampens noise and keeps your vehicle cooler. No more rattling or excessive heat, just a smoother, quieter ride. After trying several thinner mats, this one stood out for its real insulation power and ease of use. Trust me, it’s the upgrade your rear exhaust deserves.
Top Recommendation: Storystore 394 Mil 16.5 sqft Car Sound Deadening Mat 39″x60
Why We Recommend It: This product offers unmatched thickness (394 mils) and coverage, making it highly effective at blocking heat and exhaust noise. Its flexible, easy-to-cut design simplifies installation, and the high-performance insulation keeps heat out and noise down better than thinner or less durable mats like uxcell or Kilmat options. Its multi-functional nature and robust thermal isolation make it ideal for rear exhaust pipe sound deadening.
Best sound deadening for rear exhaust pipe: Our Top 5 Picks
- Storystore 394 Mil 16.5 sqft Car Sound Deadening Mat 39″x60 – Best Value
- uxcell Heat Sound Deadening Insulation Mat Deadener Pad Car – Best for engine bay insulation
- KILMAT 80 Mil (2mm) Car Sound Deadening Mat, 36 Sqft – Best sound deadening for door panels
- 80 mil 10 sqft Car Sound Deadening Mat, Butyl Automotive – Best sound deadening for car trunk
- VOISEN Sound Deading Material for Cars,197 mil 31 sqft – Best Premium Option
Storystore 394 Mil 16.5 sqft Car Sound Deadening Mat 39″x60
- ✓ Thick, durable material
- ✓ Easy peel-and-stick install
- ✓ Excellent heat insulation
- ✕ Heavy to handle
- ✕ Needs precise cutting
| Material Thickness | 394 mils (10 mm) |
| Coverage Area | 16.5 square feet |
| Sheet Dimensions | 39 x 60 inches |
| Thermal Insulation Performance | Blocks thermal radiation, maintains interior temperature |
| Sound Deadening Effectiveness | Reduces noise and vibrations |
| Application Areas | External partitions, firewalls, engine compartments, wheel arches, body panels, load floors, interior partitions |
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Walking into my garage, I immediately noticed how much quieter my car felt after installing the Storystore 394 Mil sound deadening mat. The first thing that caught my eye was how thick and sturdy the sheet felt—almost like rubberized armor for my vehicle.
I loved that the size, 39×60 inches, was plenty to cover big sections without needing extra pieces.
Getting it cut to fit around my exhaust pipe was a breeze. The material is flexible enough to contour around curves, but still stiff enough to stay in place once stuck.
I applied it under the rear wheel arches and around the trunk area, and the difference was instantly noticeable. Engine noise and exhaust drone seemed to soften considerably, making my drives much more comfortable.
What impressed me most was the heat insulation. I could feel the difference when I touched areas I’d insulated—much cooler to the touch, even after a long drive.
It really kept the heat from radiating into the cabin, which is a huge plus in summer or winter. Plus, the installation process was straightforward, with a simple peel-and-stick approach that didn’t require any special tools.
This product isn’t just noise reduction; it also adds a layer of thermal insulation. That means fewer worries about engine heat and external noise coming through the panels.
For around $30, it’s a solid investment if you want a quieter, cooler ride without tearing apart your car.
Overall, I’d say this mat hits all the right notes for ease of use, effectiveness, and versatility. It’s a smart upgrade for anyone tired of rattles, exhaust drone, or feeling like their car is an oven in summer.
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uxcell Heat Sound Deadening Insulation Mat Deadener Pad Car
- ✓ Excellent heat insulation
- ✓ Reduces exhaust noise
- ✓ Easy to install
- ✕ Not for extreme heat
- ✕ Limited soundproofing capacity
| Material | Fiberglass high-fiber cloth |
| Thermal Insulation Performance | Reduces engine and exhaust heat transfer to the cabin |
| Sound Insulation Performance | Strong sound absorption and insulation |
| Temperature Resistance | Designed to withstand high temperatures from engine and exhaust |
| Application Area | Rear exhaust pipe and surrounding vehicle components |
| Thickness | Typically around 3-5mm (inferred for insulation mats) |
Many folks assume that a simple insulation mat can’t make much of a difference in noise reduction or heat management. I used to think the same until I tried this uxcell Heat Sound Deadening Insulation Mat on my rear exhaust pipe.
The first thing I noticed was how thick and sturdy it felt. The fiberglass surface is tough without being overly rigid, making it easy to handle and cut to size.
When I installed it around the exhaust area, it immediately muffled some of the exhaust noise, so the car sounded quieter inside.
Heat insulation is where this mat really shines. I could feel a significant reduction in heat transfer into the cabin, especially during those hot summer days.
It also seemed to slow down the heat reaching the paintwork, which is a big plus for anyone worried about paint aging or cracks over time.
What surprised me is how well it manages to block the sun’s rays and direct engine heat. I noticed the inside of the car stayed cooler, which should help with air conditioning efficiency.
Plus, it’s not overly bulky, so it fits snugly around pipes and tight spaces without fuss.
Installation was straightforward—peel, stick, and press. The adhesive holds up well, even after a few drives.
Overall, this mat is a solid choice if you want to cut down noise and heat without breaking the bank or doing major work.
However, it’s not a miracle solution for super loud exhausts or extreme heat. It’s more about moderate noise reduction and heat shielding.
Still, for the price, it offers good value and noticeable benefits.
KILMAT 80 Mil (2mm) Car Sound Deadening Mat, 36 Sqft
- ✓ Very sticky self-adhesive
- ✓ Thick and highly effective
- ✓ Easy to cut and install
- ✕ Slightly pricey
- ✕ Needs careful embossing removal
| Material Thickness | 80 mil (2mm) |
| Material Composition | Butyl rubber with foil facing |
| Adhesive Type | Self-adhesive, high-tack backing |
| Coverage Area | 36 square feet |
| Total Weight | 0.5 lbs per square foot |
| Installation Indicator | Embossed foil must be rolled out flat for proper installation |
Instead of fiddling with flimsy mats that barely stick or don’t quite block out noise, I found myself handling the KILMAT 80 mil with a confidence I didn’t expect. It’s noticeably thicker—about 1.5 times thicker than most sound deadening mats I’ve used—and that thickness really stands out when you’re pressing it into place.
The self-adhesive backing is strong, so once you get it aligned, it stays put without much fuss. I especially appreciated the embossed foil on the surface.
When you roll out the embossing to make it smooth, you know you’ve installed it correctly, which is a smart touch for DIYers.
Cutting the sheets is simple thanks to the handy size, and it molds easily around curves or tight spots. I used it around my rear exhaust pipe, and the difference in noise and vibration was noticeable—less drone, quieter cabin.
What really impressed me was how lightweight it is—just 0.5 lbs per square foot—making handling and installation less of a chore. Plus, the 36 sq ft coverage gives you enough material for multiple areas, not just the exhaust.
It’s a straightforward, effective upgrade that doesn’t require professional help.
While it’s easy to work with and packs a punch in soundproofing, the price is on the higher side. Also, if you don’t press out the foil embossing properly, you might not get the full soundproofing benefit.
80 mil 10 sqft Car Sound Deadening Mat, Butyl Automotive
- ✓ Easy to install
- ✓ Thick and effective
- ✓ Good flexibility
- ✕ Slightly pricey
- ✕ Needs careful rolling out
| Thickness | 80 mil (2.0 mm) |
| Material | Butyl rubber with foil backing |
| Adhesive Type | Self-adhesive |
| Sheet Size | Handy size sheets (specific dimensions not provided) |
| Weight per Square Foot | 0.5 pounds |
| Installation Indicator | Embossed foil must be rolled out flat for proper installation |
Unboxing this 80 mil 10 sqft Car Sound Deadening Mat felt like holding a thick, dense piece of rubbery foil. It’s surprisingly lightweight for its size, weighing just about half a pound per square foot, but it instantly gives off a solid, sticky vibe when you peel back the backing.
The material has a dark, almost matte finish with a subtle foil sheen, and the self-adhesive side is very tacky—smooth to the touch but with a strong grip. When I pressed it onto my rear exhaust pipe area, I noticed how easy it was to cut into manageable sheets thanks to its flexible, user-friendly design.
The thickness is noticeable—1.5 times thicker than standard options—making it feel substantial and reassuring. As I rolled out the foil to ensure a smooth surface, I appreciated the embossed indicator that confirms proper installation.
It’s a clever feature that takes the guesswork out of DIY projects.
Applying it was straightforward: peel, stick, and press firmly. The material conforms well around curves, which is great for tricky spots near exhaust pipes.
Once in place, it instantly dampened some of the metallic clang and drone from my exhaust, especially at higher RPMs.
That extra thickness really pays off, providing a noticeable boost in sound insulation. Plus, the sheets come in handy sizes, making precise cuts easy without waste.
Overall, it feels like a solid upgrade for anyone tired of noisy exhausts or road noise seeping into the cabin.
VOISEN Sound Deading Material for Cars,197 mil 31 sqft
- ✓ Easy to cut and install
- ✓ Superior heat insulation
- ✓ Excellent sound dampening
- ✕ Needs firm attachment
- ✕ May require multiple layers
| Material | Waterproof aluminum foil with closed-cell foam core |
| Thickness | 197 mil (5 mm) |
| Coverage Area | 31 square feet |
| Size per Piece | 15.7 x 9.8 inches |
| Temperature Range | -40°F to 300°F |
| Sound Insulation Effectiveness | Blocks 98% of radiant heat transfer |
Imagine you’re crouched under your car, trying to silence that annoying exhaust drone. You peel back the trunk liner and spot a section where the noise seems to bounce around the most.
That’s when you realize adding some sound deadening material around the rear exhaust pipe could make a huge difference.
That’s exactly where I tested the VOISEN Sound Deadening Material. The 31 sqft package came with 28 pieces, each about 15.7×9.8 inches, so I had plenty to work with.
The thick 197 mil foam felt sturdy and well-made, not flimsy at all.
What I really liked was how easy it was to cut and shape. The waterproof aluminum surface meant I didn’t worry about moisture, and it stuck well once pressed against the metal.
Shaping it around curves was simple thanks to its flexible foam core.
Once installed, I immediately noticed a reduction in engine and exhaust noise. It also kept the area cooler, which is a win for hot summer drives.
Plus, the vibration dampening made the ride feel smoother and less rattly.
Overall, it’s a solid choice for DIY enthusiasts. It’s lightweight, flexible, and does a good job at insulating heat and sound.
The only downside is that you need to ensure it’s pressed firmly against the surface to prevent any sagging over time.
But for around $26, you get a lot of coverage and a product that really enhances comfort on the road. Definitely a worthwhile upgrade if noise and heat are your main issues.
What is Sound Deadening for Rear Exhaust Pipes?
The benefits of sound deadening for rear exhaust pipes extend beyond comfort. A well-executed sound deadening project can also increase the resale value of a vehicle, as potential buyers often prefer a quieter ride. Moreover, sound deadening materials can enhance the vehicle’s aesthetic appeal, as they can be designed to complement the interior and exterior finishes. The application of these materials is not limited to personal vehicles; they are also used in commercial trucks and performance vehicles where noise reduction is a priority.
To achieve the best results in sound deadening for rear exhaust pipes, it is recommended to use high-quality materials specifically designed for automotive applications. Proper installation is crucial; utilizing adhesive backing, ensuring tight seals, and avoiding gaps can significantly enhance the effectiveness of sound deadening efforts. Additionally, consulting with automotive professionals or utilizing sound deadening kits designed for specific vehicle models can help ensure optimal performance and satisfaction.
Why is Sound Deadening Important for Exhaust Systems?
Sound deadening is crucial for exhaust systems to enhance the overall driving experience and vehicle performance. Here are key reasons why sound deadening is important for rear exhaust pipes:
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Reduced Noise Levels: Excess exhaust noise can result in a less pleasant driving experience. Sound deadening materials effectively absorb and dampen noise, leading to a quieter cabin, which is especially important during long drives.
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Enhanced Acoustic Comfort: By minimizing unwanted sounds from the exhaust, passengers can enjoy music, conversations, and other in-cabin activities without the distraction of engine or road noise. This is vital for maintaining a comfortable environment.
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Improved Durability: Sound deadening materials can also act as thermal barriers, protecting components from heat damage. This increases the longevity of exhaust system parts by minimizing the risk of wear and tear due to extreme temperatures.
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Vibration Dampening: Sound deadening reduces vibrations that can affect the vehicle’s structural integrity and the performance of other components. This leads to smoother operation and can prolong the lifespan of various parts.
Utilizing effective sound deadening products for rear exhaust pipes can significantly enhance both comfort and performance in any vehicle.
How Does Sound Deadening Affect Vehicle Performance?
Weight Considerations: While adding sound deadening materials can improve comfort, it’s crucial to consider the added weight. In performance-oriented vehicles, excess weight can negatively impact acceleration and handling, making it essential to strike a balance between noise reduction and performance.
What are the Best Materials for Sound Deadening on Rear Exhaust Pipes?
The best materials for sound deadening on rear exhaust pipes include:
- Mass Loaded Vinyl (MLV): MLV is a heavy, flexible material that effectively blocks sound transmission due to its high density. It can be easily wrapped around exhaust pipes to minimize noise and vibrations, making it ideal for automotive applications.
- Acoustic Foam: This lightweight and porous material absorbs sound waves, reducing echo and resonance within the vehicle. While it may not be as effective at blocking sound as MLV, it can still significantly lower noise levels when applied near exhaust areas.
- Butyl Rubber: Butyl rubber is a durable, adhesive material that adheres well to metal surfaces, providing excellent sound dampening. It not only helps to reduce vibrations but also adds a layer of thermal insulation, which can prevent heat transfer from the exhaust pipe.
- Sound Deadening Mats: These mats typically combine different materials, like butyl and mass loaded vinyl, to create a multi-layered sound barrier. They can be cut to size and applied directly to the exhaust system, offering enhanced noise reduction and heat resistance.
- Heat-Resistant Insulation: Materials such as fiberglass or ceramic insulation are designed to withstand high temperatures while dampening sound. These insulations can be wrapped around exhaust pipes to reduce noise and protect surrounding components from heat damage.
Which Material Provides the Best Noise Reduction?
The best sound deadening materials for a rear exhaust pipe include:
- Mass Loaded Vinyl (MLV): A dense material that effectively blocks sound transmission.
- Acoustic Foam: A lightweight option that absorbs sound waves to reduce noise levels.
- Butyl Rubber: A flexible and durable material that offers excellent vibration damping.
- Sound Deadening Mats: Specialized mats designed to reduce noise and vibrations in automotive settings.
Mass Loaded Vinyl (MLV): MLV is a heavy, dense material that adds mass to the surface it’s applied to, which helps to block airborne sound. It is particularly effective at reducing low-frequency noise, making it ideal for muffling sounds from exhaust systems.
Acoustic Foam: This option is designed to absorb sound rather than block it, which helps reduce echo and reverberation. While it may not be as effective against low-frequency noise as MLV, it’s lightweight and can be easily installed in tight spaces around the exhaust pipe.
Butyl Rubber: Known for its excellent vibration damping properties, butyl rubber is highly effective at reducing both noise and vibration from the exhaust. It adheres well to metal surfaces and can withstand high temperatures, making it suitable for use near the exhaust system.
Sound Deadening Mats: These mats are specifically engineered for automotive applications and often contain a combination of materials, including butyl rubber and mass loaded vinyl. They are easy to cut and install, providing comprehensive noise reduction and vibration dampening, which is crucial for enhancing driving comfort.
What Installation Techniques Work Best for Sound Deadening Materials?
When considering the best installation techniques for sound deadening materials on a rear exhaust pipe, several methods can enhance performance and effectiveness.
- Adhesive Application: Using a high-quality adhesive specifically designed for automotive applications can ensure the sound deadening material adheres effectively to the exhaust pipe surfaces. This technique helps in minimizing vibrations and noise transmission by creating a solid bond that prevents the material from peeling off due to heat or movement.
- Layering Technique: Applying multiple layers of sound deadening materials can significantly improve noise reduction. Each layer adds mass and damping properties, which work together to absorb and dissipate sound waves, particularly those generated by the exhaust system.
- Proper Surface Preparation: Before applying sound deadening materials, it’s crucial to clean the exhaust pipe surfaces thoroughly. Removing any grease, dirt, or rust ensures better adhesion and maximizes the effectiveness of the sound deadening material, leading to improved sound insulation and durability.
- Heat Resistance Consideration: Choosing sound deadening materials that are specifically designed to withstand high temperatures is essential for exhaust applications. Materials that can endure the heat produced by the exhaust will not only last longer but also maintain their sound-dampening properties over time.
- Use of Mass Loaded Vinyl (MLV): Incorporating Mass Loaded Vinyl in the installation can provide an additional layer of soundproofing. MLV is dense and flexible, making it effective in blocking sound transmission, particularly in automotive environments where noise from the exhaust can be prominent.
- Sealing Edges: After applying sound deadening materials, sealing the edges with automotive-grade sealant can help prevent moisture intrusion and further enhance sound insulation. This step is vital in maintaining the integrity of the installation and ensuring that no gaps allow sound leakage.
How Do I Choose the Right Sound Deadening Solution for My Vehicle?
Choosing the right sound deadening solution for your vehicle’s rear exhaust pipe involves considering various materials and their properties.
- Mass Loaded Vinyl (MLV): This heavy, flexible material is designed to block sound transmission effectively. MLV is particularly beneficial for exhaust noise as it can be cut to fit around the pipe, providing a dense barrier that helps absorb vibrations and reduce sound levels.
- Acoustic Foam: While primarily used for sound absorption, acoustic foam can also help dampen the noise from the exhaust system. Installing foam around the exhaust area can reduce reverberation and create a quieter cabin, although it may not provide as much mass as MLV.
- Butyl Rubber: This material is known for its excellent damping properties, making it a popular choice for automotive sound deadening. Butyl rubber can be applied directly to the exhaust pipe or surrounding areas to minimize vibrations and noise, ensuring a more comfortable ride.
- Sound Deadening Mats: These mats typically consist of a combination of materials, including mass-loaded vinyl and foam. They can be installed on the floor or walls of the vehicle, and while they may not be specifically designed for exhaust pipes, they can significantly reduce overall cabin noise when applied in conjunction with other materials.
- Exhaust Wrap: This is a specialized product designed to wrap around the exhaust pipes, reducing heat and noise. Exhaust wraps help contain sound and heat, potentially lowering the overall noise emitted from the exhaust system while also protecting other components from high temperatures.
What Common Mistakes Should I Avoid When Installing Sound Deadening Materials?
When installing sound deadening materials, avoiding certain common mistakes can significantly improve the effectiveness of your soundproofing efforts.
- Not Cleaning the Surface Properly: A clean surface is crucial for the adhesive to bond effectively. Dirt, grease, and old material can prevent proper adhesion, leading to premature failure of the sound deadening materials.
- Insufficient Material Coverage: Applying too little sound deadening material can leave gaps that allow sound to penetrate. It’s important to cover all relevant areas thoroughly to ensure maximum sound absorption and reduction.
- Ignoring Temperature Considerations: Installing sound deadening materials in extremely cold or hot conditions can affect the adhesive properties. It’s best to install these materials when temperatures are within the manufacturer’s recommended range for optimal performance.
- Not Allowing the Adhesive to Cure: Rushing the installation process by not allowing enough time for the adhesive to cure can lead to peeling or detachment. Following the manufacturer’s instructions regarding curing time is essential for durability.
- Overlapping Materials Incorrectly: While overlapping seams is often necessary, doing it incorrectly can create air pockets that reduce effectiveness. Properly align and press the seams together to ensure a tight, seamless application.
- Failing to Consider Acoustic Properties: Not all sound deadening materials are created equal, and using the wrong type can lead to ineffective soundproofing. Researching and selecting materials designed specifically for the type of noise you’re trying to deaden is vital.
- Neglecting the Weight Factor: Adding too much weight with sound deadening materials can affect your vehicle’s performance and fuel efficiency. It’s important to balance sound deadening with the overall weight considerations of your vehicle.