Muffler Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Muffler sales on Amazon US totaled 1,800 units in July 2026 (▼ 20.0% vs. the prior month), generating an estimated $118,307 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 72.2% of unit volume and 73.6% of revenue, while a typical listing is priced at $108.98. The keyword itself pulled 15,556 Amazon queries over the same period (▼ 11.0% MoM).
Zooming out to the 12-month window ending July 2026, the muffler Top 50 moved 23,700 units and $1,541,881 in cumulative sales — an average of 1,975 units and $128,490 per month. Monthly throughput topped out at 2,600 units in March 2026 and dipped to 1,050 in May 2026, leaving the latest reading 7.7% lower than August 2025.
Muffler Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
1.8K
▼ 20.0% MoM
Monthly Revenue 2026/07
$118.3K
▼ 16.0% MoM
Top 10 Market Share 2026/07
72.2%
Muffler Market Share & Sales Concentration on Amazon US — July 2026
The most-sold muffler listing on Amazon US in July 2026 is ASIN B01N6EIB3B (Brand: EVIL ENERGY), which sold 200 units at $34.99 apiece — equal to 11.1% of every unit tracked in this report.
The Top 10 ASINs account for 1,300 units and $87,095 in July 2026 — 72.2% of unit volume and 73.6% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Muffler' on Amazon
July 2026









Is 72.2% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown

B01N6EIB3B
EVIL ENERGY 2" Exhaust Muffler, 2" Inlet (OD) 3" Outlet Stainless Steel Universal Straight Through N1 Style Burnt Exhaust Tip, Deep Tone for Modern Trucks, Muscle Cars & Daily Drivers
200
▲ 0.0%vs. prior month
$7K
latest month
12-month trend

B075FJBXPH
Upower 4" Inlet Diesel Exhaust Muffler 7" x 24" Body 30" Whole Length XS2772 - Straight Through Stainless Steel Welded On Resonator Muffler
200
▲ 0.0%vs. prior month
$14.3K
latest month
12-month trend

B07J2L2KM4
Flowmaster Flow FX Chambered Muffler – 3.00" Center In / 3.00" Center Out | Flow FX, Moderate Sound, Stainless Steel, Affordable Performance for Modern trucks, Muscle Cars & Daily Drivers (71419)
200
▼ 33.3%vs. prior month
$13.3K
latest month
12-month trend

B000182DMO
Flowmaster 40 Series Chambered Muffler – 2.50" Offset In / 2.50" Center Out | Original 40 Series, aggressive sound, 16-gauge aluminized steel, for muscle cars, street rods, trucks, and SUVs (42541)
100
▲ 0.0%vs. prior month
$10.1K
latest month
12-month trend

B000Q7MBTK
BORLA 40359 ProXS Universal Performance Muffler 3" Offset Inlet / 3" Center Outlet 14" Long body 19" Overall Length Un-Notched Necks Reversible Design T-304 Stainless Steel
100
▲ 100.0%vs. prior month
$12.8K
latest month
12-month trend

B0013UEYNK
Thrush Muffler Deep Race Tone (Most Applications) Inlet 2.5 Pipe Connection Offset Outlet 2.5 Offset
100
▲ 0.0%vs. prior month
$4.7K
latest month
12-month trend
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Best Muffler Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Flowmaster is the best-performing muffler brand in July 2026, moving 500 units across 4 ASINs for 38.5% of Top 10 volume. EVIL ENERGY follows with 200 units (15.4%), ahead of Upower on 200 units (15.4%).
With 6 brands splitting the Top 10 and 69.2% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $34.99 to $80.80, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Flowmaster
4 ASINs in Top 10
38.5%
Units
500
Revenue
$39K
Avg. price
$80.80

B07J2L2KM4
$66.55·★4.7·1.1K revsFlowmaster Flow FX Chambered Muffler – 3.00" Center In / 3.00" Center Out | Flow FX, Moderate Sound, Stainless Steel, Affordable Performance for Modern trucks, Muscle Cars & Daily Drivers (71419)
Units sold200
B000182DMO
$100.01·★4.8·429 revsFlowmaster 40 Series Chambered Muffler – 2.50" Offset In / 2.50" Center Out | Original 40 Series, aggressive sound, 16-gauge aluminized steel, for muscle cars, street rods, trucks, and SUVs (42541)
Units sold100
B07C9T18G5
$71.69·★4.7·584 revsFlowmaster Flow FX Chambered Muffler – 2.50" Offset In / 2.50" Center Out | Flow FX, Moderate Sound, Stainless Steel, Affordable Performance for Modern trucks, Muscle Cars & Daily Drivers (71226)
Units sold100
B07J31MNLJ
$84.95·★4.7·1.3K revsFlowmaster Flow FX Chambered Muffler – 2.50" Center In / 2.50" Center Out | Flow FX, Moderate Sound, Stainless Steel, Affordable Performance for Modern trucks, Muscle Cars & Daily Drivers (71416)
Units sold100
EVIL ENERGY
1 ASIN in Top 10
15.4%
Units
200
Revenue
$7K
Avg. price
$34.99

B01N6EIB3B
$34.99·★4.5·6K revsEVIL ENERGY 2" Exhaust Muffler, 2" Inlet (OD) 3" Outlet Stainless Steel Universal Straight Through N1 Style Burnt Exhaust Tip, Deep Tone for Modern Trucks, Muscle Cars & Daily Drivers
Units sold200
Upower
1 ASIN in Top 10
15.4%
Units
200
Revenue
$14.3K
Avg. price
$75.99

B075FJBXPH
$75.99·★4.7·1K revsUpower 4" Inlet Diesel Exhaust Muffler 7" x 24" Body 30" Whole Length XS2772 - Straight Through Stainless Steel Welded On Resonator Muffler
Units sold200
Trending Muffler Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B000Q7MBTK booked 100 units at $128.99, with ▲ 100.0% MoM change.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.

B000Q7MBTK
BORLA 40359 ProXS Universal Performance Muffler 3" Offset Inlet / 3" Center Outlet 14" Long body 19" Overall Length Un-Notched Necks Reversible Design T-304 Stainless Steel
Price
$128.99
Rating
4.6
Reviews
720
Latest month sales
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