aFe Twisted 1-3/4in 304SS Shorty Header

Fits 2020–2023 GM 2500/3500HD 6.6L V8

Part #: 48-34145

Overview

The aFe Twisted 1-3/4-inch Shorty Header is a high-performance exhaust component designed to enhance your vehicle’s power and sound. Crafted from durable 304 stainless steel, this header features mandrel-bent tubing that ensures maximum strength and longevity. It is engineered specifically for GM 2500 and 3500HD trucks equipped with the 6.6L V8 engine, making it an ideal upgrade for enthusiasts seeking improved exhaust flow and a more aggressive sound profile. The shorty design offers a direct bolt-on installation, allowing you to upgrade your vehicle without the need for cutting or extensive modifications. Whether you're looking to boost horsepower, improve torque, or simply enhance your truck's auditory presence, this header provides a reliable and effective solution.

Key Features

This aFe header combines quality materials and thoughtful design to deliver practical benefits:

• Constructed from mandrel-bent 1-3/4" 304 stainless steel tubing for durability and corrosion resistance
• Shorty design for easy installation and improved exhaust flow
• Powerful sound that enhances your vehicle’s auditory character
• Factory-style laser-cut flanges for a secure, leak-free seal
• Direct bolt-on system requiring no cutting or modifications
• Supports maximum horsepower and torque output
• Designed specifically for GM 6.6L V8 engines in 2020–2023 models

Construction & Design

The header’s mandrel-bent tubing ensures smooth exhaust flow, reducing backpressure and supporting optimal engine performance. The heavy-duty laser-cut flanges provide a precise fit and long-lasting durability, while the stainless steel construction offers resistance to rust and corrosion, making it suitable for both street and off-road use.

Driving Feel & Feedback

This header helps unleash the full potential of your engine, resulting in improved throttle response and a more aggressive exhaust note. The enhanced airflow can contribute to a noticeable increase in power and torque, enriching your driving experience with a more responsive and commanding feel.

Installation & Fitment

Designed as a direct bolt-on upgrade, this system utilizes factory-style flanges for a hassle-free installation. It requires no cutting or welding, making it accessible for DIY enthusiasts and professional installers alike.

What’s Included

The package includes the shorty header with all necessary mounting hardware and gaskets for a straightforward installation process.