aFe MACHForce XP Exhaust

Fits 2011–2013 GM Diesel Trucks with 6.6L V8 Turbo (LML)

Part #: 49-44041

Overview

The aFe MACHForce XP Exhaust system is designed to enhance the performance and sound of your GM diesel truck. Crafted from mandrel-bent 4-inch 409 stainless steel tubing, this exhaust delivers maximum airflow, supporting increased horsepower and torque while helping to lower exhaust gas temperatures (EGTS). Built for durability and ease of installation, it utilizes factory mounting points and high-quality OE-style flanges and band clamps to ensure a secure, leak-free fit. The system features a free-flowing 24-inch muffler that absorbs high-pitched tones, producing a deep, powerful exhaust note that unleashes your vehicle’s true sound potential. This exhaust is ideal for truck owners seeking to improve their vehicle’s performance, sound, and reliability under demanding conditions. Whether for towing, off-road adventures, or daily driving, this system helps optimize exhaust flow and engine response, making your diesel truck more responsive and efficient.

Key Features

Designed with mandrel-bent 409 stainless steel tubing for durability and maximum flow
Supports increased horsepower and torque for improved towing and hauling
Lower exhaust gas temperatures to help protect engine components
Factory mounting locations for hassle-free installation
High-quality OE-style flange and band clamps for a complete seal
Powerful, deep exhaust tone with a refined sound profile
Optimized for heavy-duty use and extreme environments
Corrosion-resistant construction for long-lasting performance

Construction & Design

This exhaust system features mandrel-bent 4-inch stainless steel tubing, ensuring smooth airflow and reduced turbulence. The use of 409 stainless steel provides excellent corrosion resistance and durability, suitable for demanding driving conditions. The system’s design incorporates high-quality OE-style flanges and band clamps, which facilitate a secure, leak-proof connection and simplify installation. The 24-inch muffler is engineered to absorb high-pitched tones, delivering a deep, aggressive sound that complements the performance upgrades.

Driving Feel & Feedback

With improved exhaust flow and sound, your vehicle will exhibit enhanced throttle response and a more robust engine note. The system helps reduce exhaust backpressure, contributing to better overall driving dynamics and a more engaging driving experience.

Installation & Fitment

The aFe MACHForce XP Exhaust is designed for straightforward installation using factory mounting points. Its precise fitment ensures minimal modification and hassle-free setup, making it suitable for DIY enthusiasts and professional installers alike.

What’s Included

Complete exhaust piping with mandrel bends
24-inch muffler
OE-style flanges and band clamps
All necessary hardware for installation

Ideal For

Diesel truck owners looking to boost performance and sound
Towing and hauling enthusiasts seeking reliability and efficiency
Off-road adventurers requiring durable, high-flow exhaust systems