aFe MACH Force Exhaust System

Jeep Grand Cherokee 12-21 6.4L/6.2L

Part #: 49-48053

Overview

The aFe MACH Force Exhaust System is a premium cat-back exhaust solution designed specifically for the 2012 to 2015 Jeep Grand Cherokee equipped with the 6.4L SRT8 engine. Engineered to enhance both performance and sound, this exhaust system delivers significant horsepower and torque gains while providing an aggressive yet refined exhaust note. Ideal for enthusiasts seeking to improve throttle response, engine efficiency, and overall driving experience without sacrificing reliability or fitment.

Built to exacting standards, the MACH Force system offers a direct bolt-on installation that retains the factory exhaust tips, making it a seamless upgrade for Jeep owners looking to unleash the full potential of their SRT8 powertrain.

Key Features

This exhaust system incorporates advanced design elements and high-quality materials to optimize performance and sound characteristics:

• Verified gains of +21 horsepower and +35 lb-ft of torque on the in-house dyno
• Constructed from 3-inch mandrel-bent stainless steel tubing for unrestricted exhaust flow
• Dual high-flow mufflers designed to improve performance across the entire power band
• Incorporates an X-pipe balance tube to evenly distribute exhaust pulses for efficient flow
• Reduces exhaust drone by minimizing high-pitched tones through dual free-flowing mufflers
• 100% MIG-welded construction ensures superior strength and durability
• Retains factory exhaust tips for a clean, factory-correct appearance
• Includes all necessary hardware for a hassle-free, direct bolt-on installation
• High-quality band clamps provide a leak-free 360-degree seal

Construction & Design

The aFe MACH Force Exhaust System is expertly crafted from premium stainless steel tubing that is mandrel-bent to maintain consistent diameter and smooth bends. This design minimizes flow restrictions and maximizes exhaust scavenging, which contributes to improved engine efficiency and power output. The system’s robust MIG-welded joints provide long-lasting durability capable of withstanding the rigors of daily driving and spirited performance use.

Featuring dual high-flow mufflers, the system balances aggressive sound with refined tone, ensuring a powerful exhaust note without excessive drone. The integrated X-pipe balance tube plays a critical role in equalizing exhaust pulses, enhancing flow dynamics and reducing unwanted noise frequencies.

Performance & Sound

The MACH Force Exhaust System delivers a noticeable increase in horsepower and torque, verified by aFe’s in-house dynamometer testing. The 3-inch tubing and dual muffler setup optimize exhaust flow, resulting in improved throttle response and engine efficiency. The aggressive exhaust tone is tuned to provide a deep, muscular sound during acceleration and shifting, while the X-pipe design helps reduce drone for a more comfortable driving experience on the highway.

Installation & Fitment

This exhaust system is designed as a direct bolt-on replacement for the factory rear exhaust on 2012–2015 Jeep Grand Cherokee 6.4L SRT8 models. Installation requires no cutting, welding, or modifications, making it accessible for enthusiasts with basic mechanical skills. The system retains the factory exhaust tips, preserving the vehicle’s original aesthetic. All necessary hardware and clamps are included to ensure a secure, leak-free fitment.

What's Included

• 3-inch mandrel-bent stainless steel tubing components
• Dual high-flow mufflers
• X-pipe balance tube
• High-quality band clamps for sealing
• All required mounting hardware
• Installation instructions

Ideal For

The aFe MACH Force Exhaust System is perfect for Jeep Grand Cherokee SRT8 owners who want to enhance their vehicle’s performance and sound without compromising factory fitment or reliability. It suits enthusiasts looking for a powerful exhaust note, improved horsepower and torque, and a straightforward installation process. Whether for daily driving or spirited weekend runs, this system elevates the driving experience while maintaining a refined exhaust tone.

Emissions Note

This product does not require a CARB Executive Order (EO#) and is compliant with emissions regulations applicable to its fitment. Please verify local laws before installation.

aFe POWER (Advanced FLOW Engineering) offers dyno-proven intake, filtration, and exhaust upgrades aimed at measurable performance gains. The brand’s lineup is geared toward enthusiasts looking for better airflow, improved sound, and durable materials—from cold air intakes to stainless exhaust systems for street and track applications.