aFe MACH Force-Xp Cat-Back Exhaust System

2007–2018 Jeep Wrangler JK 3.8L / 3.6L V6

Part #: 49-48057

Overview

The aFe MACH Force-Xp Hi-Tuck 2.5" Cat-Back Exhaust System is engineered specifically for the 2007–2018 Jeep Wrangler JK equipped with 3.8L or 3.6L V6 engines. Designed for both 2-door and 4-door models, this exhaust system enhances your Jeep’s performance by improving exhaust flow and delivering a more aggressive sound without sacrificing drivability. Ideal for off-road enthusiasts and daily drivers alike, it offers a perfect balance of power, sound, and clearance for extreme terrain.

This system is tailored to provide increased horsepower, torque, and throttle response while maintaining a refined exhaust note. Its Hi-Tuck design ensures extra ground clearance, making it an excellent choice for Jeep owners who demand both performance and rugged capability.

Key Features

The MACH Force-Xp Cat-Back Exhaust System incorporates advanced engineering and quality materials to optimize your Jeep’s exhaust flow and sound. Key features include:

• 2.5" mandrel-bent stainless steel tubing for smooth exhaust flow and minimal restriction
• High-flow 18" straight-through muffler designed to reduce high-pitched tones and eliminate drone
• Hi-Tuck tip placement for increased clearance during extreme off-road climbs and descents
• OE-style bayonet hangers for secure, vibration-resistant mounting
• Extension pipe included for compatibility with both 2-door and 4-door Jeep Wrangler JK models
• Durable 409 stainless steel construction for corrosion resistance and long-lasting performance
• Designed to fit with most aftermarket EVAP skid plates without modification
• Provides a deep, throaty exhaust note on acceleration while maintaining smooth idle sound

Construction & Design

This cat-back exhaust system is crafted from premium 409 stainless steel tubing, known for its durability and resistance to corrosion in harsh environments. The 2.5" mandrel-bent tubing ensures consistent diameter throughout the bends, reducing turbulence and backpressure for optimal exhaust flow. The smooth transition bends are engineered to maintain low turbulence, which directly contributes to improved engine efficiency and power output.

The 18" high-flow muffler features a straight-through design that effectively absorbs unwanted high-frequency tones, delivering a powerful yet refined exhaust sound. The forward muffler placement ahead of the rear axle enhances off-road capability by increasing departure angles, preventing damage during steep climbs or descents.

Performance & Sound

The MACH Force-Xp system is designed to unlock additional horsepower and torque by reducing exhaust restrictions and improving throttle response. Its aggressive yet controlled exhaust tone provides a deep, throaty growl under acceleration, enhancing the driving experience without excessive noise or drone during cruising. This balance makes it suitable for both spirited driving and everyday use.

Installation & Fitment

Installation is straightforward and requires no cutting or welding. The system uses OE-style bayonet hangers that securely hold the exhaust in place, even under high vibration and heat conditions. An included extension pipe ensures a perfect fit for both 2-door and 4-door Jeep Wrangler JK models equipped with 3.8L or 3.6L V6 engines. This system is compatible with most aftermarket EVAP skid plates, allowing for easy integration with existing off-road protection components.

What's Included

• 2.5" mandrel-bent stainless steel cat-back exhaust tubing
• 18" high-flow straight-through muffler
• Hi-Tuck exhaust tip
• Extension pipe for 2-door and 4-door fitment
• OE-style bayonet hangers and mounting hardware
• Installation instructions

Ideal For

This exhaust system is perfect for Jeep Wrangler JK owners seeking enhanced performance and sound without compromising off-road clearance. It suits enthusiasts who demand a durable, high-quality exhaust that improves power delivery and throttle response while providing a commanding exhaust note. Whether tackling rugged trails or cruising on the highway, the aFe MACH Force-Xp Hi-Tuck Cat-Back Exhaust delivers reliable performance and aggressive style.

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.