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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
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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
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  • Express: 1-2 business days

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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
4.0 ★★★★★
Based on 2196 reviews
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Verified Purchase
M. Chulick
Bozeman, US
★★★★★ 4
Delivered quickly
Size: 16 Fl Oz (Pack of 1), Style: Individual
Just trying to keep my small engines running with this awful California fuel
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 4, 2025
S
Verified Purchase
Shopper scott
Chelsea, US
★★★★★ 5
Good buy
Fit great. I have a toro 7.25 Brigs & Stratton 21 icnh rececyler. Mower started up great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
R
Verified Purchase
Robert Edwards
Chelsea, US
★★★★★ 5
Good Product
Works great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
M
Verified Purchase
MARC FOSTER
Louisville, US
★★★★★ 5
Worked perfectly
Excellent product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
K
Verified Purchase
KT
Alexandria, US
★★★★★ 4
Check the gap!
Plugs work great. I will say for those reviews saying they got a dud. CHECK THE GAP!!! Both plugs were not at 0.030 as advertised. I gapped the plug and it worked perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026

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