JBA Cat-Back Exhaust System

2015–2023 Dodge Challenger (6.4L 392 & 6.2L Hellcat)

Part #: 40-1671

Overview

The JBA Cat-Back Exhaust System is engineered specifically for the 2015 through 2023 Dodge Challenger equipped with either the 6.4L 392 HEMI or the 6.2L Hellcat engine. Designed for enthusiasts seeking a perfect balance of power, sound, and quality, this exhaust system replaces the factory setup with a high-performance alternative that enhances your vehicle’s overall driving experience. Whether you’re looking to improve throttle response, gain a more aggressive exhaust note, or simply upgrade your Challenger’s exhaust flow, the JBA Cat-Back delivers reliable performance and durability.

Ideal for street and occasional track use, this system provides a noticeable improvement in exhaust efficiency without overwhelming cabin noise, making it suitable for daily driving as well as spirited runs.

Key Features

The JBA Cat-Back Exhaust System combines advanced engineering with premium materials to ensure optimal performance and longevity. Key features include:

• Large diameter mandrel-bent stainless steel tubing for unrestricted exhaust flow
• High-flow stainless steel mufflers designed to enhance sound quality and reduce backpressure
• Polished stainless steel chrome tips that add a sleek, factory-style finish
• Factory-style hangers for straightforward installation and secure fitment
• Complete hardware kit included for a hassle-free upgrade
• Precision tuning to deliver an aggressive yet refined exhaust tone
• Corrosion-resistant stainless steel construction for long-lasting durability

Construction & Design

Built from premium stainless steel, the JBA Cat-Back Exhaust System features mandrel-bent tubing that maintains consistent diameter through bends, eliminating restrictions and maximizing exhaust flow. The high-quality stainless steel mufflers are engineered to balance sound and performance, providing a deep, muscular tone without excessive drone inside the cabin. Polished chrome tips not only enhance the visual appeal but also resist corrosion and discoloration over time. Factory-style hangers ensure the system mounts securely and aligns perfectly with the vehicle’s existing exhaust points, preserving the Challenger’s factory fit and finish.

Performance & Sound

By replacing the restrictive factory exhaust components with free-flowing mandrel-bent tubing and high-flow mufflers, the JBA Cat-Back Exhaust System improves exhaust scavenging and reduces backpressure. This results in enhanced throttle response and potential gains in horsepower and torque, depending on other modifications. The exhaust note is carefully tuned to provide a powerful, aggressive sound that complements the Challenger’s naturally muscular engine character without being overwhelming during everyday driving.

Installation & Fitment

This cat-back system is designed for direct bolt-on installation on 2015–2023 Dodge Challengers equipped with the 6.4L 392 or 6.2L Hellcat engines. No cutting, welding, or additional modifications are required, making it a straightforward upgrade for enthusiasts and professional installers alike. The included hardware and factory-style hangers simplify the installation process, ensuring a secure and precise fit that maintains factory ground clearance and exhaust routing.

What's Included

• Mandrel-bent stainless steel cat-back tubing
• High-flow stainless steel mufflers
• Polished stainless steel chrome exhaust tips
• Factory-style hangers
• Complete installation hardware

Ideal For

The JBA Cat-Back Exhaust System is perfect for Dodge Challenger owners who want to enhance their vehicle’s performance and sound without sacrificing daily drivability or quality. It suits enthusiasts looking for a durable, well-engineered exhaust upgrade that delivers noticeable power gains and a refined yet aggressive exhaust tone. Whether you’re upgrading a stock Challenger or complementing other performance modifications, this system offers a balanced solution for street and weekend track use.