Part #: 49-44122-B
Overview
The aFe POWER 4-Inch SS Cat-Back Exhaust is an application-specific performance upgrade designed for Chevrolet Silverado 2500HD / Silverado 3500HD / GMC Sierra 2500HD / Sierra 3500HD (20-24). This listing has been cleaned up for easier mobile viewing while preserving the product's key manufacturer-provided details.
Key Features
- Increases horsepower and torque
- Improves performance
- Lowers exhaust gas temperature
- Flow bench and dyno tested
- Welded hangers with swaged ends
- Slotted and swedged ends
Installation & Fitment
Designed for Chevrolet Silverado 2500HD / Silverado 3500HD / GMC Sierra 2500HD / Sierra 3500HD (20-24). Verify your vehicle configuration and part number before ordering, especially where engine, trim, cab, bed, drivetrain, or emissions configuration can affect fitment.
Ideal For
Ideal for enthusiasts looking to upgrade exhaust flow, sound, and durability with an application-specific aFe POWER component.