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

Name: K&N 20-21 Chevy / GMC 2500/3500 6.6L V8 Performance Air Intake System
Brand: K&N Engineering
SKU: KNN77-3103KC
Price: 465.00 USD
Availability: InStock

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K&N Engineering

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

SKU: KNN77-3103KC

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Gain a guaranteed increase in horsepower and torque with K&N ...Read More

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$465.00

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Car Wheel Size Chart

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

225 = Tire width in mm
45 = Aspect ratio (height as % of width)
R17 = Rim diameter in inches

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Product Details

Product Description

Part Numbers

Sizing & Fit

Gain 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. Some intakes are not legal for sale or use on any pollution-controlled motor vehicle in California. See the product specifications for CARB status on each part for a specific vehicle.
Installation Instructions
User 1

This Part Fits:

Year	Make	Model	Submodel
2020-2024	Chevrolet	Silverado 2500 HD	Custom
2020-2024	Chevrolet	Silverado 2500 HD	High Country
2020-2024	Chevrolet	Silverado 2500 HD	LT
2020-2024	Chevrolet	Silverado 2500 HD	LTZ
2020-2024	Chevrolet	Silverado 2500 HD	WT
2024	Chevrolet	Silverado 2500 HD	ZR2
2020-2024	Chevrolet	Silverado 3500 HD	High Country
2020-2024	Chevrolet	Silverado 3500 HD	LT
2020-2024	Chevrolet	Silverado 3500 HD	LTZ
2020-2024	Chevrolet	Silverado 3500 HD	WT
2020-2024	GMC	Sierra 2500 HD	AT4
2024	GMC	Sierra 2500 HD	AT4X
2020-2021	GMC	Sierra 2500 HD	Base
2020-2024	GMC	Sierra 2500 HD	Denali
2022-2024	GMC	Sierra 2500 HD	Pro
2020-2024	GMC	Sierra 2500 HD	SLE
2020-2024	GMC	Sierra 2500 HD	SLT
2020-2024	GMC	Sierra 3500 HD	AT4
2020-2021	GMC	Sierra 3500 HD	Base
2020-2024	GMC	Sierra 3500 HD	Denali
2022-2024	GMC	Sierra 3500 HD	Pro
2020-2024	GMC	Sierra 3500 HD	SLE
2020-2024	GMC	Sierra 3500 HD	SLT

Product Details

Product Description

Part Numbers

Sizing & Fit

Year	Make	Model	Submodel
2020-2024	Chevrolet	Silverado 2500 HD	Custom
2020-2024	Chevrolet	Silverado 2500 HD	High Country
2020-2024	Chevrolet	Silverado 2500 HD	LT
2020-2024	Chevrolet	Silverado 2500 HD	LTZ
2020-2024	Chevrolet	Silverado 2500 HD	WT
2024	Chevrolet	Silverado 2500 HD	ZR2
2020-2024	Chevrolet	Silverado 3500 HD	High Country
2020-2024	Chevrolet	Silverado 3500 HD	LT
2020-2024	Chevrolet	Silverado 3500 HD	LTZ
2020-2024	Chevrolet	Silverado 3500 HD	WT
2020-2024	GMC	Sierra 2500 HD	AT4
2024	GMC	Sierra 2500 HD	AT4X
2020-2021	GMC	Sierra 2500 HD	Base
2020-2024	GMC	Sierra 2500 HD	Denali
2022-2024	GMC	Sierra 2500 HD	Pro
2020-2024	GMC	Sierra 2500 HD	SLE
2020-2024	GMC	Sierra 2500 HD	SLT
2020-2024	GMC	Sierra 3500 HD	AT4
2020-2021	GMC	Sierra 3500 HD	Base
2020-2024	GMC	Sierra 3500 HD	Denali
2022-2024	GMC	Sierra 3500 HD	Pro
2020-2024	GMC	Sierra 3500 HD	SLE
2020-2024	GMC	Sierra 3500 HD	SLT

Product Details

Product Description

Year	Make	Model	Submodel
2020-2024	Chevrolet	Silverado 2500 HD	Custom
2020-2024	Chevrolet	Silverado 2500 HD	High Country
2020-2024	Chevrolet	Silverado 2500 HD	LT
2020-2024	Chevrolet	Silverado 2500 HD	LTZ
2020-2024	Chevrolet	Silverado 2500 HD	WT
2024	Chevrolet	Silverado 2500 HD	ZR2
2020-2024	Chevrolet	Silverado 3500 HD	High Country
2020-2024	Chevrolet	Silverado 3500 HD	LT
2020-2024	Chevrolet	Silverado 3500 HD	LTZ
2020-2024	Chevrolet	Silverado 3500 HD	WT
2020-2024	GMC	Sierra 2500 HD	AT4
2024	GMC	Sierra 2500 HD	AT4X
2020-2021	GMC	Sierra 2500 HD	Base
2020-2024	GMC	Sierra 2500 HD	Denali
2022-2024	GMC	Sierra 2500 HD	Pro
2020-2024	GMC	Sierra 2500 HD	SLE
2020-2024	GMC	Sierra 2500 HD	SLT
2020-2024	GMC	Sierra 3500 HD	AT4
2020-2021	GMC	Sierra 3500 HD	Base
2020-2024	GMC	Sierra 3500 HD	Denali
2022-2024	GMC	Sierra 3500 HD	Pro
2020-2024	GMC	Sierra 3500 HD	SLE
2020-2024	GMC	Sierra 3500 HD	SLT

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

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

Car Wheel Size Chart

How to Read Tire Size

Product Details

Product Details

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Access Accessories EZ-Retriever II Cargo Reaching Tool

Griots Garage Target Tire Dressing Kit

ARB Quick Release Retaining Pin Pk 2

ARB Recovery Glove

KC HiLiTES FLEX ERA 3 Light Shield Amber (ea)

Baja Designs Parts Bag S2/Squadron - Single

Chase Bays 2 Way Brake Bias Valve

Baja Designs XL Rock Guard - Black

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Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5