aFe Apollo GT Series 3in Cat-Back Exhaust w/ Black Tip — Fits 2020-2023 GM 2500/3500HD 6.6L L8T

SKU: AFE49-44122-B
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About aFe aFe Power is the racing-bred air, exhaust, and ...Read More

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Sale price$773.00
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

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

Product Details

Product Description
Part Numbers
Sizing & Fit

About aFe

aFe Power is the racing-bred air, exhaust, and intercooler brand. From Magnum FORCE intakes to ATLAS exhausts and BladeRunner intercoolers, every aFe product is dyno-tuned for measurable HP and torque gains on Ford, GM, Ram, and import platforms.

Watch in action

aFe Apollo GT Series 3-Inch Cat-Back Exhaust System for GM 2500/3500HD 6.6L L8T

Experience a significant upgrade in sound and performance with the aFe Apollo GT Series 3-inch Cat-Back exhaust system, specifically designed for the 2020-2023 GM 2500 and 3500 HD trucks equipped with the 6.6L L8T V8 engine. This system is engineered to unleash more horsepower and torque while producing a deep, aggressive exhaust note.

Key Features:

  • Material: Constructed from durable 409 stainless steel tubing, ensuring excellent resistance to corrosion and a long service life.
  • Tubing Diameter: Features 3-inch diameter, mandrel-bent tubing designed for optimal exhaust flow and performance gains.
  • Muffler: Equipped with a high-flow 409 stainless steel muffler that enhances the exhaust tone without introducing unwanted resonance.
  • Tip: Includes a stylish 5-inch diameter black 409 stainless steel intercooled clamp-on exhaust tip, accented with an aFe POWER logo plate for a custom look.
  • Installation: Designed for a direct bolt-on fit, utilizing factory-style flange and hangers for a straightforward installation process with no cutting or modifications needed.
  • Design: Utilizes state-of-the-art computer-aided design for precise, high-tolerance factory fitment.

This aFe exhaust system provides a perfect balance of aggressive sound, enhanced performance, and durable construction. Elevate your truck's exhaust system with this premium offering from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2020-2023 Chevrolet Silverado 2500 HD Custom
2020-2023 Chevrolet Silverado 2500 HD High Country
2020-2023 Chevrolet Silverado 2500 HD LT
2020-2023 Chevrolet Silverado 2500 HD LTZ
2020-2023 Chevrolet Silverado 2500 HD WT
2020-2023 Chevrolet Silverado 3500 HD LT
2020-2023 Chevrolet Silverado 3500 HD LTZ
2020-2023 Chevrolet Silverado 3500 HD WT
2020-2021 GMC Sierra 2500 HD Base
2020-2023 GMC Sierra 2500 HD AT4
2020-2023 GMC Sierra 2500 HD Denali
2020-2023 GMC Sierra 2500 HD SLE
2020-2023 GMC Sierra 2500 HD SLT
2020-2021 GMC Sierra 3500 HD Base
2020-2023 GMC Sierra 3500 HD AT4
2020-2023 GMC Sierra 3500 HD Denali
2020-2023 GMC Sierra 3500 HD SLE
2022-2023 GMC Sierra 3500 HD Pro

Product Details

Product Description
Part Numbers
Sizing & Fit

About aFe

aFe Power is the racing-bred air, exhaust, and intercooler brand. From Magnum FORCE intakes to ATLAS exhausts and BladeRunner intercoolers, every aFe product is dyno-tuned for measurable HP and torque gains on Ford, GM, Ram, and import platforms.

Watch in action

aFe Apollo GT Series 3-Inch Cat-Back Exhaust System for GM 2500/3500HD 6.6L L8T

Experience a significant upgrade in sound and performance with the aFe Apollo GT Series 3-inch Cat-Back exhaust system, specifically designed for the 2020-2023 GM 2500 and 3500 HD trucks equipped with the 6.6L L8T V8 engine. This system is engineered to unleash more horsepower and torque while producing a deep, aggressive exhaust note.

Key Features:

  • Material: Constructed from durable 409 stainless steel tubing, ensuring excellent resistance to corrosion and a long service life.
  • Tubing Diameter: Features 3-inch diameter, mandrel-bent tubing designed for optimal exhaust flow and performance gains.
  • Muffler: Equipped with a high-flow 409 stainless steel muffler that enhances the exhaust tone without introducing unwanted resonance.
  • Tip: Includes a stylish 5-inch diameter black 409 stainless steel intercooled clamp-on exhaust tip, accented with an aFe POWER logo plate for a custom look.
  • Installation: Designed for a direct bolt-on fit, utilizing factory-style flange and hangers for a straightforward installation process with no cutting or modifications needed.
  • Design: Utilizes state-of-the-art computer-aided design for precise, high-tolerance factory fitment.

This aFe exhaust system provides a perfect balance of aggressive sound, enhanced performance, and durable construction. Elevate your truck's exhaust system with this premium offering from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2020-2023 Chevrolet Silverado 2500 HD Custom
2020-2023 Chevrolet Silverado 2500 HD High Country
2020-2023 Chevrolet Silverado 2500 HD LT
2020-2023 Chevrolet Silverado 2500 HD LTZ
2020-2023 Chevrolet Silverado 2500 HD WT
2020-2023 Chevrolet Silverado 3500 HD LT
2020-2023 Chevrolet Silverado 3500 HD LTZ
2020-2023 Chevrolet Silverado 3500 HD WT
2020-2021 GMC Sierra 2500 HD Base
2020-2023 GMC Sierra 2500 HD AT4
2020-2023 GMC Sierra 2500 HD Denali
2020-2023 GMC Sierra 2500 HD SLE
2020-2023 GMC Sierra 2500 HD SLT
2020-2021 GMC Sierra 3500 HD Base
2020-2023 GMC Sierra 3500 HD AT4
2020-2023 GMC Sierra 3500 HD Denali
2020-2023 GMC Sierra 3500 HD SLE
2022-2023 GMC Sierra 3500 HD Pro

Product Details

Product Description

About aFe

aFe Power is the racing-bred air, exhaust, and intercooler brand. From Magnum FORCE intakes to ATLAS exhausts and BladeRunner intercoolers, every aFe product is dyno-tuned for measurable HP and torque gains on Ford, GM, Ram, and import platforms.

Watch in action

aFe Apollo GT Series 3-Inch Cat-Back Exhaust System for GM 2500/3500HD 6.6L L8T

Experience a significant upgrade in sound and performance with the aFe Apollo GT Series 3-inch Cat-Back exhaust system, specifically designed for the 2020-2023 GM 2500 and 3500 HD trucks equipped with the 6.6L L8T V8 engine. This system is engineered to unleash more horsepower and torque while producing a deep, aggressive exhaust note.

Key Features:

  • Material: Constructed from durable 409 stainless steel tubing, ensuring excellent resistance to corrosion and a long service life.
  • Tubing Diameter: Features 3-inch diameter, mandrel-bent tubing designed for optimal exhaust flow and performance gains.
  • Muffler: Equipped with a high-flow 409 stainless steel muffler that enhances the exhaust tone without introducing unwanted resonance.
  • Tip: Includes a stylish 5-inch diameter black 409 stainless steel intercooled clamp-on exhaust tip, accented with an aFe POWER logo plate for a custom look.
  • Installation: Designed for a direct bolt-on fit, utilizing factory-style flange and hangers for a straightforward installation process with no cutting or modifications needed.
  • Design: Utilizes state-of-the-art computer-aided design for precise, high-tolerance factory fitment.

This aFe exhaust system provides a perfect balance of aggressive sound, enhanced performance, and durable construction. Elevate your truck's exhaust system with this premium offering from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2020-2023 Chevrolet Silverado 2500 HD Custom
2020-2023 Chevrolet Silverado 2500 HD High Country
2020-2023 Chevrolet Silverado 2500 HD LT
2020-2023 Chevrolet Silverado 2500 HD LTZ
2020-2023 Chevrolet Silverado 2500 HD WT
2020-2023 Chevrolet Silverado 3500 HD LT
2020-2023 Chevrolet Silverado 3500 HD LTZ
2020-2023 Chevrolet Silverado 3500 HD WT
2020-2021 GMC Sierra 2500 HD Base
2020-2023 GMC Sierra 2500 HD AT4
2020-2023 GMC Sierra 2500 HD Denali
2020-2023 GMC Sierra 2500 HD SLE
2020-2023 GMC Sierra 2500 HD SLT
2020-2021 GMC Sierra 3500 HD Base
2020-2023 GMC Sierra 3500 HD AT4
2020-2023 GMC Sierra 3500 HD Denali
2020-2023 GMC Sierra 3500 HD SLE
2022-2023 GMC Sierra 3500 HD Pro

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