exhaust flange
Worth a lookShows a thin review moat (130 avg reviews), but a small market ($46K/yr) keeps it on the watch list.
Review moat
Great129.94avg incumbent reviews — the moat a new listing must climb
Avg price
Great$21.67avg listing price — sweet spot $15–$100
Brand share
Great52%top-5 brand share — no brand owns this niche
Competition
Great34%top-5 click share — an open shelf
Price range
Good$5.77–$39.77cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Growth
Okay+9.9%90-day search growth — must beat 0% to launch
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Returns
Bad7.2%return rate — above 5% kills the launch gate
Market size
Bad$46K$46K/yr · 100K searches
According to Flapen's Amazon United States niche tracking, exhaust flange is a $46K/yr Amazon United States market (100K searches/yr). The top 5 brands hold 52% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
exhaust flange market data
- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- $54K–$65K
- units × avg price
- Conversion rate
- 2.1%
- Avg BSR
- #115
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 70%
- Out of stock
- 2.4%
- Avg brand age
- 37 months
- Avg seller age
- 181 days
Competition & brand share
Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.Brands
29 falling
Sellers
61
Top-5 brand share
52%
Top 20: 94%
Top-5 click share
34%
Top 20: 72%
Open market
41%
- EVIL ENERGY16%
- KIFIDAN10%
- Aokdom9%
- UNLRAE8%
- LCGP8%
- LWNWPPER8%
Demand & seasonality
Weekly Amazon search volume, last 60 weeks — +9.9% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top exhaust flange search terms
- exhaust flange42K/yr
- exhaust flange repair kit24K/yr
- 2.5 exhaust flange14K/yr
- automotive replacement exhaust flanges7K/yr
- 2.5 inch exhaust flange4K/yr
- exhaust flange repair4K/yr
- 2 bolt exhaust flange3K/yr
Top exhaust flange 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
2.5 Car Split Exhaust Flange Repair Kit with Nuts & Bolts Oval Car Exhaust Flange for Automotive Exhausts Pipe 2 Bolt Holes Cars Exhausts Flanges Vehicle Accessories
KIFIDAN$9.994.0★21 rev

LCGP Exhaust Flange Repair Piping Kit 2.5 ID to 2.5 OD with Gasket and Bolt for Quick Fix Repair 304 Universal Stainless Steel Exhaust Flange Pipe
LCGP$34.134.6★105 rev

UNLRAE Exhaust Flange Car Accessories 1.75 2 2.25 2.5 Exhaust Flex Spring Flanges Exhausts Flange Spring Joint with Bolt and Gasket Automotive Replacement Suitable for Cars Trucks SUVs (2)
UNLRAE$29.854.6★24 rev

2-Bolt 2.5 Inch Exhaust Flange Repair Kit Stainless Steel Exhaust System Kit with Exhaust Gasket & Exhaust Bolts Exhaust Pipe Flange Gasket for Automotive Replacement Exhaust Flanges (2.5)
Aokdom$12.754.4★149 rev

LWNWPPER 2.5 inch Exhaust Flange Repair kit 2PCS Split Flanges with 2 Bolts.
LWNWPPER$17.364.8★38 rev
Newest
by launch date
EVIL ENERGY 2.5 Inch Split Flange Repair Kit Exhaust Flat Oval Flange Connection Carbon Steel Exhaust Flange Replacement 1 PCS
EVIL ENERGY$18.9931 rev

3 Exhaust Flange Adapter Universal T304 Stainless Steel Header Collector Flange OD 3 Inch 2-Bolt Exhaust Flange Pipe Two Hole for Car Truck Exhaust System Replacement
Xoepoll$23.395 rev

PAIYUE 2PCS Exhaust Flange Repair Kit Car Accessories Flange Kit with Nuts and Bolts Automotive Replacement Exhaust Flanges Suitable for Retrofitting and Repairing Split Flanges (2 inch)
PAIYUE$12.221 rev

LWNWPPER 2.5 inch Exhaust Flange Repair kit 2PCS Split Flanges with 2 Bolts.
LWNWPPER$17.3638 rev

LWNWPPER 2 inch Exhaust Flange Repair kit 2PCS Split Flanges with 2 Bolts.
LWNWPPER$15.0538 rev
Trending
90-day click momentum
3 Exhaust Flange Adapter Universal T304 Stainless Steel Header Collector Flange OD 3 Inch 2-Bolt Exhaust Flange Pipe Two Hole for Car Truck Exhaust System Replacement
Xoepoll$23.394.8★

PAIYUE 2PCS Exhaust Flange Repair Kit Car Accessories Flange Kit with Nuts and Bolts Automotive Replacement Exhaust Flanges Suitable for Retrofitting and Repairing Split Flanges (2 inch)
PAIYUE$12.225.0★

UNLRAE Exhaust Flange Car Accessories 1.75 2 2.25 2.5 Exhaust Flex Spring Flanges Exhausts Flange Spring Joint with Bolt and Gasket Automotive Replacement Suitable for Cars Trucks SUVs (1.75)
UNLRAE$26.604.6★

RCCT 2.5 Exhaust Flex Joints Repair Coupler Repair Kit Flex Pipe with Spring Bolt Flange Universal Flex Spring Joint(2.5In)
RCCT$29.432.9★

EVIL ENERGY 2.5 Inch Split Flange Repair Kit Exhaust Flat Oval Flange Connection Carbon Steel Exhaust Flange Replacement 1 PCS
EVIL ENERGY$18.994.2★
What buyers say about exhaust flange
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent quality”
“Excellent fit”
“they are worth the price”
“Worked as it should”
“Worked perfectly”
“Good fit and nice construction”
“The was easy to fix and to uses”
“bolted together tightly”
“It was very easy to use”
“Very durable and well made”
What buyers complain about
“Way too big”
“Do not fit”
“only one not two as shown”
“destroyed or if the bolts are rusted out”
“Save your time in returning this product ❗ Cheap product”
“Too wide for the mid pipe of 2010 subaru forester”
“A bit weak materially”
“Installs easily needs an occasional drawing together initially”
“Only cost $8 so its not worth the time an aggravation to send it back”
“only lasted 6 months”
Top return reasons
Common questions
- Is exhaust flange profitable to sell on Amazon United States?
- The niche generates $46K/yr across 53 tracked products. 1 of 18 products launched in the last 360 days are still selling. 90-day search growth is +9.9%. Flapen's verdict: Worth a look (51/100).
- How competitive is the exhaust flange niche?
- 29 brands and 61 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 52% of demand.
- What do buyers complain about in exhaust flange?
- Top complaints mined from reviews: Size-Overall, Compatibility-Overall, Advertised Vs Actual Product. The return rate is 7.2% — above our launch gate.
- When does demand for exhaust flange peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the exhaust flange niche?
- Listings span $5.77–$39.77; the average listing price is $21.67 (sweet spot $15–$100). The average incumbent carries 130 reviews — the moat a new listing must climb.