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

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 SystemSKU: 77 3103KC UPC: 024844387240 K&N 20 21 Chevy GMC 2500 3500 6. 6L V8 Performance Air Intake System Upgrade your 2020 2021 Chevrolet Silverado 2500 HD 3500 HD or GMC Sierra 2500 HD 3500 HD with the K&N 77 3103KC Performance Air Intake System designed for the 6. 6L V8 L8T engine. This mandrel bent aluminum cold air intake replaces the factory air box and tube to deliver more airflow for increased horsepower and torque. Paired with a washable high
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
4.1 ★★★★★
Based on 760 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
A
Verified Purchase
AC
Belleville, US
★★★★★ 5
Fit my 2014 Accord perfectly
Size: AF476
Seems to be the same quality as OEM. Fit perfectly. Easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
B
Verified Purchase
Becca
Belleville, US
★★★★★ 4
Affordable priced. Fits well
Size: AF377
They work good in my 2019 Toyota RAV4
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
M
Verified Purchase
MarkC
Lake Worth, US
★★★★★ 5
Perfect fit, slid right into place and locked like it should
Size: AF943
Wanting to correct my previous review (I reviewed the incorrect item). This product fit perfectly in my vehicle- my apologies for the first review; perhaps Amazon or the vendor can replace the first review with this one. I am very pleased with this item.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
C
Verified Purchase
Carole R. NAPOLI
Omaha, US
★★★★★ 5
Great filter
Size: AF741
Fit out Toyota Prius V 2014 perfect. Well made too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
A
Verified Purchase
Amazon Customer
Battle Creek, US
★★★★★ 5
Great fit
Fit perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 9, 2026

recommand products

14K White Gold Polished Butterfly Name Plate
14K White Gold Polished Butterfly Name Plate
343.00
 14K Yellow Gold 3 Ring Circle with Names Charm
14K Yellow Gold 3 Ring Circle with Names Charm
212.35
 Sterling Silver Rose Gold plated Personalized YOU ARE LOVED Adoption Pendant
Sterling Silver Rose Gold plated Personalized YOU ARE LOVED Adoption Pendant
117.09
 Porko Plus Floor Pads, 21
Porko Plus Floor Pads, 21", Buffing/Burnishing, Beige
86.97
 Pin Punch, 1/8
Pin Punch, 1/8" Dia. x 6-1/2" L
16.56