---
title: "k&n cold air intake — Niche Verdict: Worth a look (54/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/k-n-cold-air-intake"
last_updated: "2026-07-14T07:25:43.838Z"
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meta:
  description: "k&n cold air intake shows a $5.1M/yr market, but weak search conversion (0.2%) keeps it on the watch list."
  "og:description": "k&n cold air intake shows a $5.1M/yr market, but weak search conversion (0.2%) keeps it on the watch list."
  "og:title": "k&n cold air intake — Niche Verdict: Worth a look (54/100) | Amazon United States - Flapen"
---

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# **k&n cold air intake**

**Worth a look**

Shows a $5.1M/yr market, but weak search conversion (0.2%) keeps it on the watch list.

Market size 98Growth 19Conversion 2Competition 82Returns 65Price range 21Avg price 74Brand share 52Review moat 57Quality gap 53

**Market size**

**Incredible****$5.1M**

$5.1M/yr · 29.5M searches

**Competition**

**Great****34%**

top-5 click share — an open shelf

**Avg price**

**Good****$102.30**

avg listing price — sweet spot $15–$100

**Returns**

**Good****2.4%**

return rate — above 6% kills the launch gate

**Review moat**

**Good****1,239.13**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Good****74%**

top-5 brand share — brands hold most of the demand

**Price range**

**Bad****$5.43–$409.55**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Growth**

**Bad****-12.8%**

90-day search growth — must beat 0% to launch

**Conversion**

**Bad****0.2%**

search→purchase rate — share of searches ending in a sale

## **Competition**

Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.

**Brands**

**20 **▼falling

**Sellers**

**81**

**Top-5 brand share**

**74%**

**Open market**

**21%**

- K&N38% - DuoDiner14% - intake11% - MOOSUN6% - OKAICEN5% - Rough Country5%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%4%$205K8%$410K12%$615K16%$821K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 54 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![DuoDiner Initial K Necklace for Men American Flag Letter K Pendent Chain Stainless Steel Dog Tag Country Military Necklace Jewelry Gifts (Silver)](https://m.media-amazon.com/images/I/41F3bj7molL.jpg)**DuoDiner Initial K Necklace for Men American Flag Letter K Pendent Chain Stainless Steel Dog Tag Country Military Necklace Jewelry Gifts (Silver)**DuoDiner**$14.46**4.6★717 rev](https://www.amazon.com/dp/B0C6JM633R) [2![K&N High-Flow Original Lifetime Universal Clamp-On Air Filter: High Performance Premium: Flange Diameter: 4 In Filter Height: 5.5 In Flange Length: 1.125 In Shape: Round Tapered RG-1001RD](https://m.media-amazon.com/images/I/41TqIdJ0ELL.jpg)**K&N High-Flow Original Lifetime Universal Clamp-On Air Filter: High Performance Premium: Flange Diameter: 4 In Filter Height: 5.5 In Flange Length: 1.125 In Shape: Round Tapered RG-1001RD**K&N**$35.24**4.6★5,136 rev](https://www.amazon.com/dp/B00AFRIVNQ) [3![Intake Breathing Magnetic Nasal Strips Starter Kit | Reusable Band + Tabs | Nasal Strips for Sleep Snoring Breathing & Sports | Stronger Lift Than Traditional Nose Strips | 4 Sizes 15 Tabs Black](https://m.media-amazon.com/images/I/41ftnS5xkeL.jpg)**Intake Breathing Magnetic Nasal Strips Starter Kit | Reusable Band + Tabs | Nasal Strips for Sleep Snoring Breathing & Sports | Stronger Lift Than Traditional Nose Strips | 4 Sizes 15 Tabs Black**intake**$39.62**3.9★5,313 rev](https://www.amazon.com/dp/B0C15R4FN8) [4![OKAICEN Fashion Alphabet Initial Letter Keychain Tassel Butterfly Pendant Key Ring for Purse Handbags Women Girl (K)](https://m.media-amazon.com/images/I/41oRf6LzgSL.jpg)**OKAICEN Fashion Alphabet Initial Letter Keychain Tassel Butterfly Pendant Key Ring for Purse Handbags Women Girl (K)**OKAICEN**$7.99**4.7★3,571 rev](https://www.amazon.com/dp/B08KD6KTLX) [5![MOOSUN 4 inch Cold Air Intake Black Tube + Heat Shield for 1999-2006 GMC/Chevy V8 4.8L/5.3L/6.0L Silverado 1500/2500/3500 Black](https://m.media-amazon.com/images/I/41jrc5tI2SL.jpg)**MOOSUN 4 inch Cold Air Intake Black Tube + Heat Shield for 1999-2006 GMC/Chevy V8 4.8L/5.3L/6.0L Silverado 1500/2500/3500 Black**MOOSUN**$57.69**4.4★2,245 rev](https://www.amazon.com/dp/B082VH33Y4)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Universal Clamp-On Air Intake Filter High Flow Closed-Top Cool Air Filter Cleaner 76MM Performance Round Tapered Cone Air Filters Washable Replacement Filter for Car Truck (76MM/Silver&Blue)](https://m.media-amazon.com/images/I/51UYeYvDdKL.jpg)**Universal Clamp-On Air Intake Filter High Flow Closed-Top Cool Air Filter Cleaner 76MM Performance Round Tapered Cone Air Filters Washable Replacement Filter for Car Truck (76MM/Silver&Blue)**LAINLOY**$15.56**449 rev3mo ago](https://www.amazon.com/dp/B0GTM4XYP3) [![EVIL ENERGY Cold Air Intake Compatible for 2014-2018 Chevy Silverado 1500/GMC Sierra 1500 5.3L/6.2L Increases Horsepower Towing Performance & Acceleration Includes Heat Shield & Pre-Filter Black](https://m.media-amazon.com/images/I/41ZNrqxjX2L.jpg)**EVIL ENERGY Cold Air Intake Compatible for 2014-2018 Chevy Silverado 1500/GMC Sierra 1500 5.3L/6.2L Increases Horsepower Towing Performance & Acceleration Includes Heat Shield & Pre-Filter Black**EVIL ENERGY**$131.93**57 rev11mo ago](https://www.amazon.com/dp/B0FD2SFV2P) [![EVIL ENERGY Cold Air Intake Compatible for 2009-2013 Chevy Silverado 1500 GMC Sierra 1500 Yukon Cadillac Escalade ESV EXT Increases Horsepower Towing Power Includes Heat Shield & Pre-Filter](https://m.media-amazon.com/images/I/412v-4aHoML.jpg)**EVIL ENERGY Cold Air Intake Compatible for 2009-2013 Chevy Silverado 1500 GMC Sierra 1500 Yukon Cadillac Escalade ESV EXT Increases Horsepower Towing Power Includes Heat Shield & Pre-Filter**EVIL ENERGY**$148.46**38 rev11mo ago](https://www.amazon.com/dp/B0FD31KWZ2) [![EVIL ENERGY Cold Air Intake Compatible for 2011-2023 Chrysler 300/300C for 2011-2023 Dodge Challenger/Charger 3.6L No Cutting or Drilling Needed Includes Heat Shield & Pre-Filter Black](https://m.media-amazon.com/images/I/41X3tq9Ha2L.jpg)**EVIL ENERGY Cold Air Intake Compatible for 2011-2023 Chrysler 300/300C for 2011-2023 Dodge Challenger/Charger 3.6L No Cutting or Drilling Needed Includes Heat Shield & Pre-Filter Black**EVIL ENERGY**$178.01**34 rev11mo ago](https://www.amazon.com/dp/B0FD2WBDH5) [![EVIL ENERGY Cold Air Intake Compatible for 2014-2018 Chevy Silverado 1500/GMC Sierra 1500 5.3L/6.2L No Cutting or Drilling Needed Includes Heat Shield & Pre-Filter Black](https://m.media-amazon.com/images/I/41yVsj1kz1L.jpg)**EVIL ENERGY Cold Air Intake Compatible for 2014-2018 Chevy Silverado 1500/GMC Sierra 1500 5.3L/6.2L No Cutting or Drilling Needed Includes Heat Shield & Pre-Filter Black**EVIL ENERGY**$129.53**27 rev1y ago](https://www.amazon.com/dp/B0FG31BCXB)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![LUHOHI Letter Charm for Stanley CupPearl Chain Accessories Stanley Cup Initial Charms for Handle Stuff Decor Water Bottle Jewelry Tumbler Cute Simple Modern Personalized Name ID Decorations (K)](https://m.media-amazon.com/images/I/41-q3-HgcEL.jpg)**LUHOHI Letter Charm for Stanley CupPearl Chain Accessories Stanley Cup Initial Charms for Handle Stuff Decor Water Bottle Jewelry Tumbler Cute Simple Modern Personalized Name ID Decorations (K)**LUHOHI**$6.76**4.5★**▲ 230%**](https://www.amazon.com/dp/B0CQXVVQZ5) [![Universal Clamp-On Air Intake Filter High Flow Closed-Top Cool Air Filter Cleaner 76MM Performance Round Tapered Cone Air Filters Washable Replacement Filter for Car Truck (76MM/Silver&Blue)](https://m.media-amazon.com/images/I/51UYeYvDdKL.jpg)**Universal Clamp-On Air Intake Filter High Flow Closed-Top Cool Air Filter Cleaner 76MM Performance Round Tapered Cone Air Filters Washable Replacement Filter for Car Truck (76MM/Silver&Blue)**LAINLOY**$15.56**4.2★**▲ 226%**](https://www.amazon.com/dp/B0GTM4XYP3) [![OKAICEN Fashion Alphabet Initial Letter Keychain Tassel Butterfly Pendant Key Ring for Purse Handbags Women Girl (K)](https://m.media-amazon.com/images/I/41oRf6LzgSL.jpg)**OKAICEN Fashion Alphabet Initial Letter Keychain Tassel Butterfly Pendant Key Ring for Purse Handbags Women Girl (K)**OKAICEN**$7.99**4.7★**▲ 225%**](https://www.amazon.com/dp/B08KD6KTLX) [![DuoDiner Initial K Necklace for Men American Flag Letter K Pendent Chain Stainless Steel Dog Tag Country Military Necklace Jewelry Gifts (Silver)](https://m.media-amazon.com/images/I/41F3bj7molL.jpg)**DuoDiner Initial K Necklace for Men American Flag Letter K Pendent Chain Stainless Steel Dog Tag Country Military Necklace Jewelry Gifts (Silver)**DuoDiner**$14.46**4.6★**▲ 225%**](https://www.amazon.com/dp/B0C6JM633R) [![STORUP Heart Initial Necklaces for Women Dainty Heart Letter K Pendant Necklace Jewelry for Women Mothers Day Birthday Gifts for Mom Wife Her](https://m.media-amazon.com/images/I/412DLOoyw0L.jpg)**STORUP Heart Initial Necklaces for Women Dainty Heart Letter K Pendant Necklace Jewelry for Women Mothers Day Birthday Gifts for Mom Wife Her**STORUP**$26.51**4.6★**▲ 225%**](https://www.amazon.com/dp/B0BHCJK8SH)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -12.8% search growth over the last 90 days.

900K700KSpike '24Holiday '24Black Friday '25Holiday '25 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 2.1×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**11%

*“Clearly made with quality”*

**Size-Overall**9%

*“Fit like a glove”*

**Breathability**8%

*“Breath of fresh air”*

**Value For Money**6%

*“Good value”*

**Sleep Quality**6%

*“improved my sleep”*

**Assembly/Installation**5%

*“Installation took 1 minute”*

**Efficiency**5%

*“effective”*

**Snore Relief**4%

*“Helps with snoring”*

**Sinus Relief**4%

*“this product truly opens your sinuses”*

**Advertised Vs Actual Product**3%

*“As advertised”*

### **What buyers complain about **

**Adhesion/Stickiness**13%

*“Poor adhesion”*

**Value For Money**12%

*“Product is expensive”*

**Functionality-Overall**9%

*“Did not work”*

**Quality-Overall**5%

*“Drop in quality”*

**Size-Overall**5%

*“Does not fit”*

**Breathability**5%

*“making it difficult to breathe”*

**Sleep Quality**3%

*“affected my sleep”*

**Allergies**3%

*“irritated my skin”*

**Ease Of Use**2%

*“Difficult to use”*

**Advertised Vs Actual Product**2%

*“Misleading description”*

### **Top return reasons **

**Size-Overall**30%

**Functionality-Overall**19%

**Adhesion/Stickiness**12%

**Advertised Vs Actual Product**8%

**Breathability**6%

**Compatibility-Overall**5%

**Comfort-Overall**4%

**Filtration**2%

**Value For Money**2%

**Sleep Quality**1%