aFe MACH Force-Xp Hi-Tuck Axle-Back Exhaust System

2018–2020 Jeep Wrangler JL 2.0L Turbo I4 / 3.6L V6

Part #: 49-48070-1P

Overview

The aFe MACH Force-Xp Hi-Tuck Axle-Back Exhaust System is a premium upgrade designed specifically for 2018 to 2020 Jeep Wrangler JL models equipped with either the 2.0L turbocharged inline-4 or the 3.6L V6 engine. This bolt-on axle-back system replaces the factory rear muffler assembly with a streamlined design that enhances exhaust flow, sound, and ground clearance without compromising durability or fitment.

Ideal for Jeep enthusiasts who demand improved performance and an aggressive exhaust tone while maintaining the rugged capability of their Wrangler, the Hi-Tuck design protects the exhaust system during off-road excursions by tucking the pipe higher for extra clearance over rough terrain. This system delivers a perfect balance of power, sound, and style for both 2-door and 4-door Wrangler models.

Key Features

The aFe MACH Force-Xp Hi-Tuck Axle-Back Exhaust System offers a range of advanced features engineered to maximize performance and durability:

• Hi-Tuck design provides increased ground clearance to protect the exhaust during extreme off-road climbs and descents
• Constructed from 2 1/2" mandrel-bent 409 stainless steel tubing for smooth exhaust flow and corrosion resistance
• Rear exit features a 3 1/2" polished stainless steel clamp-on tip for a refined, aggressive appearance
• 100% hand MIG-welded joints ensure race-proven strength and long-lasting durability
• Utilizes all factory hanger locations with OE-style bayonet hangers for a secure, vibration-resistant fit
• Replaces the stock low-hanging muffler assembly, reducing restrictions and improving throttle response
• Designed to work with the factory front resonator pipe for enhanced sound and performance gains
• Fits both 2-door and 4-door Jeep Wrangler JL models without modification

Construction & Design

Crafted from premium 409 stainless steel, the MACH Force-Xp Hi-Tuck exhaust system features mandrel-bent tubing that maintains consistent diameter throughout bends to optimize exhaust flow and reduce turbulence. The robust 2 1/2" tubing diameter strikes a balance between performance and sound quality, while the polished 3 1/2" clamp-on tip adds a sleek finishing touch.

All welds are performed by hand using MIG welding techniques, providing superior strength and resistance to cracking under the high heat and vibration conditions typical of off-road use. The Hi-Tuck design elevates the exhaust path, minimizing the risk of damage from rocks and obstacles encountered during trail riding.

Performance & Sound

This axle-back system enhances your Jeep Wrangler’s performance by reducing exhaust backpressure and improving flow dynamics. The result is increased horsepower and torque, along with sharper throttle response. The aggressive exhaust tone produced by the MACH Force-Xp system delivers a deep, powerful sound that complements the Wrangler’s rugged character without being overly loud or droning during highway cruising.

Installation & Fitment

Installation is straightforward and hassle-free, as the system uses all factory mounting points and OE-style bayonet hangers to maintain proper alignment and stability. No cutting, welding, or additional modifications are required, making it a true bolt-on upgrade. The clamp-on polished tip is removable, allowing for additional clearance when tackling challenging off-road terrain.

This exhaust system is engineered to fit both 2-door and 4-door 2018–2020 Jeep Wrangler JL models equipped with the 2.0L turbocharged inline-4 or 3.6L V6 engines.

What's Included

• Hi-Tuck axle-back exhaust assembly with 2 1/2" mandrel-bent 409 stainless steel tubing
• 3 1/2" polished stainless steel clamp-on exhaust tip
• All necessary hardware and clamps for installation
• Detailed installation instructions

Ideal For

This exhaust system is perfect for Jeep Wrangler owners seeking a cost-effective, durable upgrade that enhances both performance and sound without sacrificing ground clearance. It is especially suited for off-road enthusiasts who require extra protection for their exhaust system during extreme trail conditions, as well as those who want a clean, polished look with a powerful exhaust note.

Emissions Note

This product does not require a CARB Executive Order (EO#) and is compliant with emissions regulations for the specified vehicle applications.

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.