aFe MACH Force-Xp Cat-Back Exhaust System

Jeep Wrangler 07-18 3.8L/3.6L

Part #: 49-48057-B

Overview

The aFe MACH Force-Xp 2.5-inch 409 stainless steel Hi-Tuck cat-back exhaust system is a premium upgrade designed specifically for Jeep Wrangler models equipped with 3.6L or 3.8L V6 engines from 2007 to 2018. This exhaust system enhances your Jeep’s performance by improving exhaust flow while delivering a dynamic, customizable exhaust tone. Ideal for Jeep enthusiasts who demand a balance of power, durability, and refined sound, the MACH Force-Xp system integrates seamlessly with your vehicle’s factory exhaust valve motor and performance modes, allowing you to switch between a smooth, everyday driving sound and a more aggressive, performance-oriented exhaust note.

Built to withstand both off-road challenges and street driving, this cat-back exhaust system not only boosts throttle response but also adds a rugged, aggressive aesthetic with its black-finished stainless steel tips featuring the laser-etched aFe POWER logo.

Key Features

Engineered for durability and performance, the MACH Force-Xp cat-back exhaust system offers the following standout features:

• Mandrel-bent 2.5-inch 409 stainless steel tubing for maximum exhaust flow and long-lasting corrosion resistance
• High-flow transverse muffler designed to optimize exhaust scavenging and reduce backpressure
• Factory-style exhaust valve that utilizes the original valve motor and performance modes for seamless integration
• Dual operation modes: valve closed for a smooth, refined exhaust tone; valve open for a louder, aggressive sound
• Large diameter black-finished stainless steel exhaust tips with laser-etched aFe POWER logo for a premium look
• 100% hand MIG welded construction ensuring superior strength and leak-free durability
• Hi-Tuck design improves ground clearance and protects the exhaust system during off-road use
• Direct bolt-on fitment requiring no cutting, welding, or modifications for most 2007–2018 Jeep Wrangler models

Construction & Design

The MACH Force-Xp exhaust system is crafted from high-quality 409 stainless steel, known for its excellent resistance to corrosion and ability to withstand high temperatures. The mandrel-bent tubing ensures smooth, unrestricted exhaust flow by minimizing turbulence, which helps maximize performance gains. Each weld is meticulously hand MIG welded to provide a robust, leak-proof seal that endures the demands of both daily driving and rugged off-road conditions.

The innovative Hi-Tuck design positions the exhaust system closer to the vehicle’s centerline, enhancing ground clearance and reducing the risk of damage from rocks and debris encountered during off-road adventures. The black-finished stainless steel tips add a sleek, aggressive touch that complements the Jeep Wrangler’s rugged styling.

Performance & Sound

This cat-back exhaust system is engineered to improve exhaust flow, which can enhance throttle response and overall driving engagement. The integrated factory-style valve allows you to tailor the exhaust note to your preference and driving conditions. With the valve closed, exhaust gases pass through the high-flow muffler producing a smooth, refined tone ideal for everyday driving. Opening the valve bypasses the muffler, unleashing a louder, more aggressive exhaust sound that amplifies the Jeep’s sporty character without introducing drone.

Installation & Fitment

The aFe MACH Force-Xp cat-back exhaust system is designed for direct bolt-on installation on most 2007–2018 Jeep Wrangler models equipped with 3.6L or 3.8L V6 engines. Installation requires no cutting, welding, or modifications, making it straightforward for experienced enthusiasts or professional installers. The system retains the factory exhaust valve motor and integrates seamlessly with the vehicle’s existing performance modes, ensuring full functionality and ease of use.

What's Included

• 2.5-inch mandrel-bent 409 stainless steel tubing
• High-flow transverse muffler
• Factory-style exhaust valve assembly
• Black-finished stainless steel exhaust tips with laser-etched aFe POWER logo
• All necessary mounting hardware and clamps
• Detailed installation instructions

Ideal For

This exhaust system is perfect for Jeep Wrangler owners who want to enhance their vehicle’s performance and sound without sacrificing everyday drivability or factory integration. It is especially suited for off-road enthusiasts seeking improved ground clearance and durability, as well as street drivers who appreciate a refined yet aggressive exhaust tone. The MACH Force-Xp offers quality craftsmanship, reliable fitment, and versatile sound control in one complete package.

Fitment Summary

• Jeep Wrangler 70th Anniversary (2011)
• Jeep Wrangler 75th Anniversary (2016)
• Jeep Wrangler Rubicon (2007–2017, 2018 JK)
• Jeep Wrangler Sahara (2007–2017, 2018 JK)
• Jeep Wrangler Sport (2010–2017, 2018 JK)
• Jeep Wrangler Sport S (2016, 2018 JK)
• Jeep Wrangler Unlimited 70th Anniversary (2011)
• Jeep Wrangler Unlimited 75th Anniversary (2016)
• Jeep Wrangler Unlimited Rubicon (2007–2017, 2018 JK)
• Jeep Wrangler Unlimited Sahara (2007–2017, 2018 JK)
• Jeep Wrangler Unlimited Sport (2010–2017, 2018 JK)
• Jeep Wrangler Unlimited Sport S (2016, 2018 JK)
• Jeep Wrangler Unlimited X (2007–2010)
• Jeep Wrangler X (2007–2010)

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.