aFe Scorpion Cat-Back Exhaust System

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

Part #: 49-08044-1P

Overview

The aFe Scorpion Cat-Back Exhaust System with polished tip is engineered specifically for the Jeep Wrangler Unlimited JK models equipped with 3.8L and 3.6L engines from 2007 through 2018. Designed to enhance your vehicle’s exhaust flow, this system reduces backpressure and improves throttle response, delivering a noticeable increase in horsepower and torque. Ideal for Jeep enthusiasts seeking a durable, performance-oriented upgrade, the Scorpion Cat-Back exhaust combines aggressive sound with reliable construction for both on- and off-road adventures.

This exhaust system is perfect for drivers who want to unlock their Wrangler’s potential without sacrificing daily drivability or requiring complex modifications. Its OE-style hangers and complete hardware kit ensure a straightforward installation process, making it a practical choice for DIY installers and professional shops alike.

Key Features

The aFe Scorpion Cat-Back Exhaust System offers a range of features designed to optimize performance and durability:

• 2-1/2" mandrel-bent aluminized steel tubing for smooth exhaust flow and reduced restrictions
• 18" length chambered muffler engineered to balance sound and performance
• Polished stainless steel exhaust tip for a clean, aggressive appearance
• OE-style bayonet hangers for secure, factory-like mounting
• Includes band clamps and all necessary hardware for hassle-free installation
• Designed to improve horsepower, torque, and throttle response
• Durable aluminized steel construction resists corrosion and withstands harsh conditions
• Compatible with stock catalytic converters and emissions equipment

Construction & Design

The Scorpion Cat-Back Exhaust System is crafted from high-quality aluminized steel tubing, which offers excellent resistance to rust and corrosion while maintaining strength and durability. The 2-1/2" mandrel bends ensure consistent diameter throughout the system, minimizing turbulence and maximizing exhaust gas velocity. This design promotes efficient scavenging and helps your engine breathe better under load.

The chambered muffler is strategically sized at 18 inches to provide a deep, aggressive tone without excessive drone, making it suitable for both spirited driving and everyday use. The polished tip adds a refined finishing touch that complements the rugged styling of the Jeep Wrangler Unlimited JK.

Performance & Sound

By reducing exhaust backpressure and improving flow dynamics, the aFe Scorpion Cat-Back Exhaust System enhances engine efficiency, resulting in improved horsepower and torque output. Drivers will notice sharper throttle response and a more robust exhaust note that emphasizes the Wrangler’s naturally aspirated V6 engines. The chambered muffler design delivers a balanced sound profile—loud enough to be engaging but controlled enough to avoid fatigue during long drives.

Installation & Fitment

This exhaust system is designed for a direct bolt-on installation on 2007–2018 Jeep Wrangler Unlimited JK models with 3.8L or 3.6L engines. It utilizes OE-style bayonet hangers and includes all necessary hardware, such as band clamps, to ensure a secure fit without the need for cutting or welding. Installation can typically be completed with basic hand tools and does not require modifications to the vehicle’s factory catalytic converters or emissions components.

What's Included

• 2-1/2" mandrel-bent aluminized steel tubing
• 18" chambered muffler
• Polished stainless steel exhaust tip
• OE-style bayonet hangers
• Band clamps
• Complete installation hardware

Ideal For

The aFe Scorpion Cat-Back Exhaust System is ideal for Jeep Wrangler Unlimited JK owners who want to enhance their vehicle’s performance and sound without compromising reliability or requiring complex installation. It suits off-road enthusiasts, daily drivers, and anyone looking to improve throttle response and exhaust tone while maintaining a factory-like fit and finish.

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.