--- title: "glass pack exhaust mufflers — Niche Verdict: Skip it (39/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/automotive/glass-pack-exhaust-mufflers" last_updated: "2026-07-09T23:04:39.129Z" locale: en meta: description: "a small market ($79K/yr) — glass pack exhaust mufflers doesn't clear our bar today." "og:description": "a small market ($79K/yr) — glass pack exhaust mufflers doesn't clear our bar today." "og:title": "glass pack exhaust mufflers — Niche Verdict: Skip it (39/100) | Amazon United States - Flapen" --- Back to Flapen home # **glass pack exhaust mufflers** **Skip it****39/100 ** a small market ($79K/yr) — glass pack exhaust mufflers doesn't clear our bar today. **Market/yr** **$79K** **Growth (1y)** **+189.6%** **Products** **14** **Brands** **4** was 8 a year ago **Sellers** **47** **Price range** **$22.82–$53.73** **Returns** **4.1%** **Rating** **4.5★** **Skip it** Scored 39/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **4** ×0.30 Growth **76** ×0.30 Competition **22** ×0.20 Quality gap **40** ×0.10 Returns **68** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +189.6% year over year. 6K3KSpike '25Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND No pronounced peak months · busiest ÷ quietest = 1.3× ## **Competition** - Thrush47% - Cherry Bomb45% - peastorm4% - AP Exhaust Products3% - Other0% The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack. 4 brands and 47 sellers compete here. **Brands** **4 **▼falling was 8 a year ago **Sellers** **47** **Top 5 brand share** **100%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Cherry Bomb 87521CB 87521 Glasspack Muffler](https://m.media-amazon.com/images/I/31Vsbf1HcZL.jpg) [**Cherry Bomb 87521CB 87521 Glasspack Muffler**](https://www.amazon.com/dp/B003E5X4I8) Cherry Bomb$34.664.5★61228%▲rising 2 ![Thrush Glasspack Deep Performance Tone Inlet 2.5 Pipe Connection Outlet 2.5 Pipe](https://m.media-amazon.com/images/I/215BXeNuxoL.jpg) [**Thrush Glasspack Deep Performance Tone Inlet 2.5 Pipe Connection Outlet 2.5 Pipe**](https://www.amazon.com/dp/B00029J3KM) Thrush$32.024.6★1,60127%▼falling 3 ![Thrush Glasspack Deep Performance Tone Inlet 2 Pipe Connection Outlet 2 Pipe](https://m.media-amazon.com/images/I/21OdCzapvgL.jpg) [**Thrush Glasspack Deep Performance Tone Inlet 2 Pipe Connection Outlet 2 Pipe**](https://www.amazon.com/dp/B00029J3J8) Thrush$28.664.5★59910%▲rising 4 ![Cherry Bomb 87529CB 87529 Glasspack Muffler](https://m.media-amazon.com/images/I/21ppmeazL4L.jpg) [**Cherry Bomb 87529CB 87529 Glasspack Muffler**](https://www.amazon.com/dp/B003E5P7PG) Cherry Bomb$36.014.6★5667%▲rising 5 ![Peastorm Glasspack 2.5 Inch Muffler Exhaust Pipe Universal Performance Resonator Dual Loud Exhaust Tip 2.5 Inch Inlet for Trucks Car](https://m.media-amazon.com/images/I/41EuTmNbKdL.jpg) [**Peastorm Glasspack 2.5 Inch Muffler Exhaust Pipe Universal Performance Resonator Dual Loud Exhaust Tip 2.5 Inch Inlet for Trucks Car**](https://www.amazon.com/dp/B09YMC5X9Y) peastorm$47.384.6★2584%—flat 6 ![Thrush Muffler Deep Race Tone (Most Applications) Inlet 2.5 Pipe Connection Offset Outlet 2.5 Offset](https://m.media-amazon.com/images/I/41khcvlTCSL.jpg) [**Thrush Muffler Deep Race Tone (Most Applications) Inlet 2.5 Pipe Connection Offset Outlet 2.5 Offset**](https://www.amazon.com/dp/B0013UEYNK) Thrush$46.454.4★4524%—flat 7 ![Cherry Bomb 87520CB Glasspack Muffler](https://m.media-amazon.com/images/I/31vVvgRiF4L.jpg) [**Cherry Bomb 87520CB Glasspack Muffler**](https://www.amazon.com/dp/B003E5P77Y) Cherry Bomb$34.634.5★3084%▼falling 8 ![AP Exhaust 351211S Glasspack Muffler](https://m.media-amazon.com/images/I/313SZzWHO4L.jpg) [**AP Exhaust 351211S Glasspack Muffler**](https://www.amazon.com/dp/B004A5S256) AP Exhaust Products$22.824.6★1703%▼falling 9 ![Thrush 17649 Welded Muffler](https://m.media-amazon.com/images/I/417cbNXwI9L.jpg) [**Thrush 17649 Welded Muffler**](https://www.amazon.com/dp/B001S8GWZA) Thrush$47.794.6★6533%▲rising 10 ![Cherry Bomb 7481 Extreme Muffler](https://m.media-amazon.com/images/I/417OTIUUKgL.jpg) [**Cherry Bomb 7481 Extreme Muffler**](https://www.amazon.com/dp/B003E5T00Y) Cherry Bomb$48.484.5★2353%▲rising 11 ![AP Exhaust Products AP Exhaust 7425CB Muffler](https://m.media-amazon.com/images/I/41RiixI-UGL.jpg) [**AP Exhaust Products AP Exhaust 7425CB Muffler**](https://www.amazon.com/dp/B0018GVUHC) Cherry Bomb$47.664.4★2842%▲rising 12 ![Thrush Glasspack Deep Performance Tone Inlet 3 Pipe Connection Outlet 3 Pipe](https://m.media-amazon.com/images/I/31yArOwWRaL.jpg) [**Thrush Glasspack Deep Performance Tone Inlet 3 Pipe Connection Outlet 3 Pipe**](https://www.amazon.com/dp/B002KLPECQ) Thrush$53.734.7★3342%▼falling 13 ![Cherry Bomb 87510CB Glasspack Muffler](https://m.media-amazon.com/images/I/31S0bLPJOJL.jpg) [**Cherry Bomb 87510CB Glasspack Muffler**](https://www.amazon.com/dp/B000EGNAW0) Cherry Bomb$32.464.5★4242%▼falling 14 ![Thrush 17703 Turbo Muffler](https://m.media-amazon.com/images/I/31GUKhvr-KL.jpg) [**Thrush 17703 Turbo Muffler**](https://www.amazon.com/dp/B000CIXOB2) Thrush$35.974.0★552%▲rising ## **Product shelf** All 14 tracked products in this niche. Top sellersNewestTrending [![Cherry Bomb 87521CB 87521 Glasspack Muffler](https://m.media-amazon.com/images/I/31Vsbf1HcZL.jpg)**Cherry Bomb 87521CB 87521 Glasspack Muffler** Cherry Bomb**$34.66**4.5★612 reviews](https://www.amazon.com/dp/B003E5X4I8) [![Thrush Glasspack Deep Performance Tone Inlet 2.5 Pipe Connection Outlet 2.5 Pipe](https://m.media-amazon.com/images/I/215BXeNuxoL.jpg)**Thrush Glasspack Deep Performance Tone Inlet 2.5 Pipe Connection Outlet 2.5 Pipe** Thrush**$32.02**4.6★1,601 reviews](https://www.amazon.com/dp/B00029J3KM) [![Thrush Glasspack Deep Performance Tone Inlet 2 Pipe Connection Outlet 2 Pipe](https://m.media-amazon.com/images/I/21OdCzapvgL.jpg)**Thrush Glasspack Deep Performance Tone Inlet 2 Pipe Connection Outlet 2 Pipe** Thrush**$28.66**4.5★599 reviews](https://www.amazon.com/dp/B00029J3J8) [![Cherry Bomb 87529CB 87529 Glasspack Muffler](https://m.media-amazon.com/images/I/21ppmeazL4L.jpg)**Cherry Bomb 87529CB 87529 Glasspack Muffler** Cherry Bomb**$36.01**4.6★566 reviews](https://www.amazon.com/dp/B003E5P7PG) [![Peastorm Glasspack 2.5 Inch Muffler Exhaust Pipe Universal Performance Resonator Dual Loud Exhaust Tip 2.5 Inch Inlet for Trucks Car](https://m.media-amazon.com/images/I/41EuTmNbKdL.jpg)**Peastorm Glasspack 2.5 Inch Muffler Exhaust Pipe Universal Performance Resonator Dual Loud Exhaust Tip 2.5 Inch Inlet for Trucks Car** peastorm**$47.38**4.6★258 reviews](https://www.amazon.com/dp/B09YMC5X9Y) [![Thrush Muffler Deep Race Tone (Most Applications) Inlet 2.5 Pipe Connection Offset Outlet 2.5 Offset](https://m.media-amazon.com/images/I/41khcvlTCSL.jpg)**Thrush Muffler Deep Race Tone (Most Applications) Inlet 2.5 Pipe Connection Offset Outlet 2.5 Offset** Thrush**$46.45**4.4★452 reviews](https://www.amazon.com/dp/B0013UEYNK) [![Cherry Bomb 87520CB Glasspack Muffler](https://m.media-amazon.com/images/I/31vVvgRiF4L.jpg)**Cherry Bomb 87520CB Glasspack Muffler** Cherry Bomb**$34.63**4.5★308 reviews](https://www.amazon.com/dp/B003E5P77Y) [![AP Exhaust 351211S Glasspack Muffler](https://m.media-amazon.com/images/I/313SZzWHO4L.jpg)**AP Exhaust 351211S Glasspack Muffler** AP Exhaust Products**$22.82**4.6★170 reviews](https://www.amazon.com/dp/B004A5S256) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Audio Quality**29% *“GREAT SOUNDING”* **Noise Level**25% *“its a decent rumble on idle”* **Quality-Overall**19% *“good quality, fast service,fair $$”* **Value For Money**8% *“Awesome muffler to purchase for the price”* **Advertised Vs Actual Product**4% *“As advertised and it came really fast”* **Size-Overall**3% *“Fitment was ok”* **Design-Overall**3% *“Built well”* **Assembly/Installation**2% *“Easy install”* **Product Condition**1% *“it was like New”* **Material Quality**1% *“Good material”* ### **What buyers complain about ** **Durability**27% *“Early failure”* **Product Condition**12% *“Sent me an opened one thats all dinged and scratched up”* **Quality-Overall**12% *“Amazons or Thrush quality control fail”* **Noise Level**10% *“Last week I started hearing a loud squealing noise n thought it was a belt or something then followed the sound”* **Advertised Vs Actual Product**8% *“Advertised dimensions were wrong”* **Size-Overall**8% *“inside dimensions a tiny bit large”* **Weight Light**4% *“Light weight and not a lot of packing”* **Strength**3% *“the baffles are just loose on the inside”* **Assembly/Installation**3% *“When I didnt get it installed”* **Value For Money**3% *“Waste of money”* #### **Top return reasons**- Size-Overall64% - Compatibility-Overall8% - Advertised Vs Actual Product7% - Noise Level3% - Functionality-Overall2% - Value For Money2% - Defective Material/Parts2% - Connectivity-Overall1% - Product Condition1% - Width1%