exhaust back pressure tester
Skip itA small market ($97K/yr) — this niche doesn't clear our bar today.
Review moat
Incredible57.06avg incumbent reviews — the moat a new listing must climb
Avg price
Incredible$46.19avg listing price — sweet spot $15–$100
Brand share
Good68%top-5 brand share — brands hold most of the demand
Conversion
Good5.1%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Price range
Okay$20.16–$195.29cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+14.8%90-day search growth — must beat 0% to launch
Returns
Okay4.2%return rate — above 6% kills the launch gate
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Market size
Bad$97K$97K/yr · 41K searches
Competition
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
16 rising
Sellers
36
Top-5 brand share
68%
Open market
27%
- CMTOOL25%
- DKwoeshg20%
- OEMTOOLS9%
- BELEY9%
- DPTOOL5%
- Autory5%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Exhaust Back Pressure Tester Kit Professional Diesel Engine Diagnostic Tool with Gauges & Adapters for Trucks SUVs Vans - Troubleshoot Turbo DPF & Catalytic Converter Issues
DKwoeshg$36.084.6★67 rev
CMTOOL Exhaust Back Pressure Tester Kit with Carrying Case Automotive Exhaust Back Pressure Gauge Set with 6-Foot Hose Professional Car Diagnostic Test Tool with Adapter & 2 Hose Clamps
CMTOOL$32.644.6★78 rev
OEMTOOLS 37263 Exhaust Back Pressure Tester/Gauge Kit Exhaust Gauge Diagnoses Catalytic Converter Issues Oxygen Sensor Adapter psi/Bar Readings
OEMTOOLS$62.654.5★182 rev
Exhaust Back Pressure Tester Kit Professional Automotive Exhaust Back Pressure Gauge Set with 5-Foot Hose Adapters & 2 Clamps
BELEY$26.914.4★43 rev
CMTOOL Exhaust Back Pressure Tester Kit with Carton Packaging Professional Car Exhaust Back Pressure Gauge with 6-Foot Hose with Adapter & Hose Clamp
CMTOOL$28.504.4★157 rev
Newest
by launch date
Exhaust Back Pressure Tester Kit Car Gauge Set 6.2FT Stainless Steel Hose
APOWFIX$33.1414 rev
Exhaust Back Pressure Tester Kit with 6FT Stainless Steel Hose Professional Diesel Automotive Exhaust Back Pressure Gauge with Quick Connector M12 & M18 Adapters for Trucks SUVs Vans etc.
Autory$36.427 rev
DASBET Exhaust Back Pressure Tester Kit with Carrying Case Automotive Exhaust Back Pressure Gauge Set with 6-Foot Hose & Adapter(M12/M18) & 2 Hose Clamps Professional Automotive Diagnostic Tool
DASBET$26.196 rev
MOTOCOCHE Exhaust Back Pressure Tester Kit for Automotive Diagnostics
MOTOCOCHE$25.525 rev
Exhaust Back Pressure Tester Kit Professional Diesel Engine Diagnostic Tool with Gauges & Adapters for Trucks SUVs Vans - Troubleshoot Turbo DPF & Catalytic Converter Issues
DKwoeshg$36.0867 rev
Trending
90-day click momentumExhaust Back Pressure Tester Kit Car Gauge Set 6.2FT Stainless Steel Hose
APOWFIX$33.144.6★
Exhaust Back Pressure Tester Kit with 6FT Stainless Steel Hose Professional Diesel Automotive Exhaust Back Pressure Gauge with Quick Connector M12 & M18 Adapters for Trucks SUVs Vans etc.
Autory$36.424.8★
MOTOCOCHE Exhaust Back Pressure Tester Kit for Automotive Diagnostics
MOTOCOCHE$25.523.2★
Exhaust Back Pressure Tester/Gauge Automotive Replacement Exhaust Cat-Back Systems with 6-Foot Hose Automotive Back Pressure Tester
LUTIFIX$32.674.8★
WODHMIEY Pressure Tester Kit - Catalytic Converter Clog Diagnostic Tool with 2.5 PSI/Bar Gauge 6FT Hose M 12 / M 18 Adapters & ABS Case for Automotive Repair
WODHMIEY$26.543.9★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +14.8% search growth over the last 90 days.Peak months: May · busiest ÷ quietest = 1.8×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Well worth the price”
“Easy to diagnose basic issues overall quality feels decent no complaints for the price point”
“Easy to use”
“As advertised”
“Effective”
“The gauge was easy to read”
“Didnt have any issues fit just as it should”
“This exhaust back pressure tester kit is a useful diagnostic tool for identifying restrictions in an engines exhaust system, such as clogged catalytic converters, collapsed mufflers, or blocked diesel particulate filters”
“looks like its working”
“Durable”
What buyers complain about
“Back pressure tester”
“by American measure kinda short”
“Item not as described”
“However, once I pulled the components out, the quality of the connections felt a bit questionable”
“The hose doesnt do very good with high exhaust heat, it is oil and fuel resistant hose, it needs to be silicone hose to really handle the exhaust heat”
“So for the price its ok not sure how durable it would be if used often”
“However, once I pulled the components out, the quality of the connections felt a bit questionable”
“there is a reason the auto parts store tester is so much more expensive”
“Fitting does not connect”
“4 stars because the rubber o-ring melted the first time I used it”