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Ninja 400 Exhaust

Fail

Shoppers spend an estimated $9K a year here, so Ninja 400 Exhaust is a Fail.

Flapen Score
43
43 / 100
Ranks 5,360 of 7,287 Automotive niches · −6 vs the category median of 49
Market size
$9K/yr12K searches / yr
90-day growth
+32.6%search demand this quarter
Competition
67%top-5 click share · 13 brands · 17 sellers

Flapen Score

Ninja 400 Exhaust against its category

The dotted line is the Automotive average. Past it, Ninja 400 Exhaust is stronger. Inside it, weaker.

43Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Ninja 400 Exhaust market on Amazon at a glance

Shoppers on Amazon United States searched for Ninja 400 Exhaust 12K times last year and spent an estimated $9K. The top 5 brands take 77% of clicks. Demand peaks in Apr–Jul–Aug–Sep. Flapen scores it 43 out of 100, a Fail.

01 · Demand

An estimated 1.4% of those searches ended in a purchase.

Shoppers searched for this 12K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.4% of those searches ended in a purchase. Searches in the last 90 days moved +32.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $9K a year.

Searches, last 12 months
12K
Growth, 90 days vs prior 90
+32.6%
Conversion, latest week
1.4%
Market size, estimated
$9Ka year
Peak month
July2.6× the quietest month
Top search term
ninja 400 exhaust8K searches a year

02 · Price

A sale here is worth $55.73.

Listings sell for $55.73 on average, from $24.82 to $117.35. Amazon reports units sold in ranges. This niche sold 100 to 250 a year. The average listing sells 0 to 100 of them. At $55.73 that is $0 to $6K a year per listing.

Average price
$55.73inside the $15 to $100 sweet spot
Price range
$24.82–$117.35
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
100–250
Units per listing a year
0–100
Revenue per listing a year
$0–$6K
Returns
7.6%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

71% of listings pay for placement with sponsored ads. 71% ship with Prime. On an average day, 6.6% of listings are out of stock. The average listing ranks #447 within Parts. It carries 115 reviews at 4.18 stars, so a new listing needs social proof before a better product.

Sponsored listings
71%
Prime listings
71%
Out of stock, average day
6.6%
Average rank
#447in Parts
Average rating
4.18 starsAmazon United States average 4.42 stars
Average reviews
115per listing
Listings tracked
17

04 · Newcomers

0 of last year's 6 launches cleared the first-year sales bar.

6 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 44 months on average, so the names here are settling in.

Launched, last 12 months
6
Successful launches
0Amazon's first-year sales bar
Average brand age
44 months

Products

Top Ninja 400 Exhaust products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 67% of clicks. Leaders hold, but buyers still shop past them.

Brands

13 falling

Sellers

17

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

67%

Top 20: 100%

Open market

18%

  • Brand 122%
  • Brand 220%
  • Brand 316%
  • Brand 410%
  • Brand 59%
  • Brand 65%

Demand

Ninja 400 Exhaust search demand

Weekly searches over the year, seasonality beneath. Pick a range.

800600Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Apr, Jul, Aug, Sep · busiest ÷ quietest = 2.6×

Search terms

Top Ninja 400 Exhaust search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • ninja 400 exhaust8K/yr
  • ninja 400 slip on exhaust2K/yr
  • kawasaki ninja 400 exhaust2K/yr

Reviews and returns

What reviews say buyers love and hate about Ninja 400 Exhaust

We read the reviews and the return reasons for every product selling here.

15%of positive reviews mention “Audio Quality”
14%of negative reviews mention “Noise Level”
7.6%of orders come back
“Super loud”
A buyer, on “Noise Level”14% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

18 topics

NegativePositive

FAQ

Common Ninja 400 Exhaust questions

Answered from the same tracked data.