Flowmaster FloxFX Exhaust System

2011–2014 Chrysler 300 / Dodge Charger 5.7L Hemi

Part #: 717831

Overview

The Flowmaster FloxFX Exhaust System is a premium performance upgrade designed specifically for the 2011 to 2014 Chrysler 300 and Dodge Charger equipped with the 5.7L Hemi engine. This exhaust system expertly balances enhanced power delivery, aggressive exhaust tone, and long-lasting durability. Ideal for enthusiasts seeking a noticeable improvement in both sound and performance without sacrificing daily drivability, the FloxFX system offers a refined yet muscular exhaust note that commands attention on the road.

Built to Flowmaster’s exacting standards, this system is engineered to optimize exhaust flow and scavenging efficiency, resulting in improved throttle response and a deeper, more powerful sound. It is a direct-fit solution that maintains the factory exhaust routing and hanger locations, making it a straightforward upgrade for your Hemi-powered Chrysler or Dodge.

Key Features

The Flowmaster FloxFX Exhaust System incorporates advanced design elements and quality materials to deliver superior performance and sound. Key features include:

• Flow FX "straight-through" mufflers that produce a deep, aggressive exterior tone while keeping interior noise moderate
• Exclusive Scavenger Series X-pipe crossover for maximum scavenging efficiency and improved exhaust flow
• Dual 2.50-inch mandrel-bent stainless steel tubing for smooth, unrestricted airflow
• Mandrel-bent tailpipes that exit neatly within the factory exhaust bezels for a clean, stealthy look
• Dyno-tuned design to optimize performance gains without compromising reliability
• Utilizes factory hanger locations for easy installation and secure fitment
• Includes all necessary hardware and detailed instructions for a hassle-free upgrade
• Backed by Flowmaster’s Lifetime Limited Warranty, reflecting over 35 years of proven quality

Construction & Design

The FloxFX Exhaust System is constructed from premium-grade stainless steel, ensuring excellent corrosion resistance and long-term durability under demanding conditions. The mandrel-bent tubing maintains consistent diameter throughout bends, preventing flow restrictions and maximizing exhaust velocity. The system’s exclusive Scavenger X-pipe design enhances exhaust scavenging, which helps improve engine efficiency and power output.

Flowmaster’s straight-through mufflers are engineered to reduce backpressure while delivering a signature deep and aggressive exhaust note. The tailpipes are carefully routed to exit within the factory bezels, preserving the vehicle’s original styling and preventing any aftermarket appearance that might detract from the clean factory look.

Performance & Sound

Designed with performance enthusiasts in mind, the FloxFX system enhances exhaust flow to improve throttle response and overall engine efficiency. The Scavenger X-pipe crossover optimizes exhaust gas scavenging, which can contribute to smoother power delivery and a slight increase in horsepower and torque.

The Flow FX mufflers provide a deep, powerful exterior sound that commands attention without overwhelming cabin noise, making it suitable for both spirited driving and everyday use. This balance of aggressive tone and moderate interior sound ensures a satisfying driving experience without fatigue.

Installation & Fitment

The Flowmaster FloxFX Exhaust System is designed as a direct bolt-on replacement for the factory exhaust on 2011–2014 Chrysler 300 and Dodge Charger models with the 5.7L Hemi engine. It uses the existing factory hanger locations and requires no cutting or welding, allowing for a straightforward installation process. All necessary hardware and detailed instructions are included to facilitate a smooth, hassle-free upgrade.

What's Included

• Dual 2.50-inch mandrel-bent stainless steel exhaust tubing
• Exclusive Scavenger Series X-pipe crossover
• Flow FX straight-through performance mufflers
• Mandrel-bent tailpipes designed to exit within factory bezels
• All required mounting hardware
• Detailed installation instructions

Ideal For

This exhaust system is ideal for Chrysler 300 and Dodge Charger owners with the 5.7L Hemi engine who want to enhance their vehicle’s performance and sound without compromising daily drivability or factory aesthetics. It suits enthusiasts looking for a durable, high-quality exhaust upgrade that delivers a deep, aggressive tone and improved throttle response while maintaining a clean, stealthy appearance.