Skip to content

K&N 20-21 Chevy / GMC 2500/3500 6.6L V8 Performance Air Intake System

Marsoni M251S
Sale price$211.50
Pay 4 payments of $52.88 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
K&N 20-21 Chevy / GMC 2500/3500 6.6L V8 Performance Air Intake SystemGain a guaranteed increase in horsepower and torque with K&N cold air intake system featuring madrel bent aluminum intake tube. Each system is paired with a washable, reusable High Flow Air Filter featuring oiled cotton filter media. User 1 Installation Instructions This Part Fits: Year Make Model Submodel 2020 2026 Chevrolet Silverado 2500 HD Custom 2020 2026 Chevrolet Silverado 2500 HD High Country 2020 2026 Chevrolet Silverado 2500 HD LT 2020 2026
Easy Shipping

Quick Dispatch:

Your K&N 20-21 Chevy / GMC 2500/3500 6.6L V8 Performance Air Intake System orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your K&N 20-21 Chevy / GMC 2500/3500 6.6L V8 Performance Air Intake System ships.

Need Help?
Questions about K&N 20-21 Chevy / GMC 2500/3500 6.6L V8 Performance Air Intake System, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for K&N 20-21 Chevy / GMC 2500/3500 6.6L V8 Performance Air Intake System in your area.

Get Shipping Estimates

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 1945 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
L
Verified Purchase
lori borger
Omaha, US
★★★★★ 5
OMG so much better than alternative products
Size: 14 gauge silicone wire 10ft and 10ft, Color: silicone wire red and black
went to my local box store and bought both multistrand and single strand to rewire a pedal. huge issues with flexibility. bought this product and ..what a pleasure. high quality, very very flexible and well packaged.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 4, 2024
K
Verified Purchase
Kyle Seal
Grantham, US
★★★★★ 5
Worked good
Worked well on my 84 115 tower of power
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
A
Verified Purchase
Amazon Customer
Alexandria, US
★★★★★ 5
Good
Good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
S
Sir Clicks-A-Lot
Pawtucket, US
★★★★★ 5
Great replacement parts!
Perfect fit for my 2003 Mercury Salt Water 150 2 stroke engine. Everything I needed was in the box.” “Good quality parts and saved me a lot compared to OEM.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 6, 2025
B
Brian Giller
Houston, US
★★★★★ 5
Great brand and value for the price
high quality parts, look just like OEM, packaged well, I like that a parts list is included so that contents can be verified.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2025

recommand products