Part #: 48997-B

Overview

The 5in Monster Exhaust is an application-specific performance product for Chevy/GMC 2500/3500 HD 20-21. Key product features and fitment are organized below for quick comparison.

Key Features

• Constructed from mandrel-bent aluminized steel for smooth airflow and corrosion resistance
• Massive 5-inch outlet diameter to reduce backpressure and improve engine response
• Patented black tip design for a bold, aggressive look
• Designed specifically for the 2020-2021 GM 6.6L Duramax L5P trucks
• Helps support increased towing capacity and overall engine efficiency
• Easy bolt-on installation with minimal modifications required

Installation & Fitment

Designed for Chevy/GMC 2500/3500 HD 20-21. Verify vehicle configuration and part number 48997-B before installation.

Ideal For

Ideal for customers looking for a vehicle-specific performance product with clear fitment and useful product details.