sound deadener for cars
Worth a lookShows a $2.8M/yr market, but strong incumbent ratings (4.6★) keeps it on the watch list.
Market size
Incredible$2.8M$2.8M/yr · 1.5M searches
Avg price
Great$50.28avg listing price — sweet spot $15–$100
Returns
Great1.9%return rate — above 5% kills the launch gate
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Price range
Okay$9.76–$184.19cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.7%search→purchase rate — share of searches ending in a sale
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Growth
Okay+1.5%90-day search growth — must beat 0% to launch
Review moat
Bad4,420.24avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, sound deadener for cars is a $2.8M/yr Amazon United States market (1.5M searches/yr). The top 5 brands hold 81% of demand. Verdict: Worth a look — 54/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
sound deadener for cars market data
- Units sold / yr
- 60K–80K
- avg 3,000–4,000/product
- Revenue / yr
- $3.0M–$4.0M
- units × avg price
- Conversion rate
- 3.7%
- Avg BSR
- #57
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 96%
- Out of stock
- 4.0%
- Avg brand age
- 44 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.Brands
13 rising
Sellers
18
Top-5 brand share
81%
Top 20: 100%
Top-5 click share
50%
Top 20: 95%
Open market
14%
- KILMAT30%
- Siless19%
- Amazon Basics15%
- CUKWUYBY9%
- VOISEN8%
- KOIKEY5%
- Open — no brand owns it (7 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +1.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top sound deadener for cars search terms
- sound deadening711K/yr
- sound deadening mat157K/yr
- sound deading material for cars158K/yr
- car sound deadening material69K/yr
- car sound deadening49K/yr
- sound deadening for cars25K/yr
- sound deadener37K/yr
- sound deadening material39K/yr
- siless sound deadening34K/yr
- butyl sound deadening15K/yr
Top sound deadener for cars products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
KILMAT 80 Mil (2 mm) 36 Sqft (3.4 Sqm) Car Sound Deadening Mat Alubutyl Automotive Sound Deadener Audio Noise Insulation and Dampening
KILMAT$71.564.8★26,299 rev
80 mil 10 sqft Car Sound Deadening Mat Butyl Automotive Sound Deadener Audio Noise Insulation and dampening
KILMAT$24.074.8★26,299 rev
Amazon Basics Car Sound Deadening Mat 14.5 x 10 10-Pack Noise and Heat Insulation Self-Adhesive Vibration Dampening
Amazon Basics$17.544.7★5,447 rev
Butyl Sound Deadening 80mil 36sqft Sound Deadening Mat Car Sound Deadening Material Sound Deadening for Cars Automotive Sound Deadening Material Noise Insulation & Vibration Dampening Material (33pcs)
CUKWUYBY$51.634.6★366 rev
Siless 80 mil (2mm) 36 sqft (3.4 sqm) Car Sound Deadening mat - Butyl Automotive Sound Deadener - Noise Insulation and Vibration Dampening Material (36 sqft)
Siless$70.644.8★5,047 rev
Newest
by launch date
30 Pcs Sound Deadening Mat 197 mil(5mm) 32 sqft Sound Deading Material for Cars Automotive Sound Deadener Foam Audio Noise Insulation and dampening
YesBes$25.8275 rev
ZARBRE 80 mil Sound Deading Material for Cars 36 sqft Car Sound Deadening Mat Butyl Automotive Sound Deadener Noise Insulation and Vibration Dampening Material Heat Shield & Odorless
ZARBRE$43.8366 rev
Storystore 80mil Car Sound Deadening Mat 36 sqft Butyl Aluminum Automotive Sound Deadener Noise Insulation Vibration Dampening Heat Shield Odorless 33 Pcs
Storystore$48.6212 rev
Butyl Sound Deadening 36 sqft Sound Deading Material for Cars Powerful Noise Reduction Sound Deadening Mat Automotive Sound Deadener Heat Sound Insulation Mat Soundproofing
CUKWUYBY$39.5958 rev
Car Sound Deadening 50 sqft Sound Deadening Mat Sound Deading Material for Cars Butyl Automotive Sound Dampening
RUNSUNSPRI$57.5231 rev
Trending
90-day click momentum30 Pcs Sound Deadening Mat 197 mil(5mm) 32 sqft Sound Deading Material for Cars Automotive Sound Deadener Foam Audio Noise Insulation and dampening
YesBes$25.824.3★
ZARBRE 80 mil Sound Deading Material for Cars 36 sqft Car Sound Deadening Mat Butyl Automotive Sound Deadener Noise Insulation and Vibration Dampening Material Heat Shield & Odorless
ZARBRE$43.834.8★
Storystore 80mil Car Sound Deadening Mat 36 sqft Butyl Aluminum Automotive Sound Deadener Noise Insulation Vibration Dampening Heat Shield Odorless 33 Pcs
Storystore$48.624.8★
Butyl Sound Deadening 36 sqft Sound Deading Material for Cars Powerful Noise Reduction Sound Deadening Mat Automotive Sound Deadener Heat Sound Insulation Mat Soundproofing
CUKWUYBY$39.594.4★
Car Sound Deadening 50 sqft Sound Deadening Mat Sound Deading Material for Cars Butyl Automotive Sound Dampening
RUNSUNSPRI$57.524.9★
What buyers say about sound deadener for cars
What buyers praise and complain about, mined from review topics.What buyers love
“Affordable quality product”
“Great value”
“Adhesive is strong”
“Easy to Apply”
“installs well”
“Works as it should”
“reduced the noise”
“Improved sound quality in the vehicle”
“A Must Have For Car Restorations”
“The material itself is thick, feels high quality, and looks great”
What buyers complain about
“Weak adhesive”
“The sheets are thick”
“Truck was so loud”
“Low quality”
“Honda CR-V Audio Deadening”
“Very misleading pictures and descriptions”
“There is a slight tar like smell for a while”
“I just haven't yet been able to install it”
“Overrated and overpriced”
“It is kind of heavy”
Top return reasons
Common questions
- Is sound deadener for cars profitable to sell on Amazon United States?
- The niche generates $2.8M/yr across 25 tracked products. 8 of 8 products launched in the last 360 days are still selling. 90-day search growth is +1.5%. Flapen's verdict: Worth a look (54/100).
- How competitive is the sound deadener for cars niche?
- 13 brands and 18 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 81% of demand.
- What do buyers complain about in sound deadener for cars?
- Top complaints mined from reviews: Adhesion/Stickiness, Thickness, Noise Level. The return rate is 1.9%.
- When does demand for sound deadener for cars peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the sound deadener for cars niche?
- Listings span $9.76–$184.19; the average listing price is $50.28 (sweet spot $15–$100). The average incumbent carries 4,420 reviews — the moat a new listing must climb.