11-14 Ford Mustang 3.7L V6 Flowmaster FlowFX Axle-Back Exhaust System

Flowmaster FlowFX Axle-Back Exhaust System for 2011-2014 Ford Mustang 3.7L V6

Part Number: 717877

Give the 2011-2014 Ford Mustang 3.7L V6 a deeper, more refined exhaust tone and improved performance with the Flowmaster FlowFX Axle-Back Exhaust System. Engineered for enthusiasts seeking a noticeable upgrade without excessive interior drone, this premium axle-back system delivers a moderate to mild performance sound while improving exhaust flow for enhanced horsepower and torque. Constructed from durable 409 stainless steel with mandrel-bent 2.50-inch tubing, the system is designed to maximize exhaust efficiency while providing excellent corrosion resistance for long-lasting performance. Finished with aggressive 4.00-inch black ceramic-coated stainless steel exhaust tips, this system gives the Mustang a custom performance appearance that perfectly complements its sporty styling. With dyno-tested gains of up to 7 rear-wheel horsepower and 6 lb-ft of rear-wheel torque, factory mounting locations, included installation hardware, and Flowmaster's Lifetime Limited Warranty, this exhaust system is an outstanding upgrade for Mustang owners looking to improve both sound and performance.

Key Features

• Designed specifically for 2011-2014 Ford Mustang models equipped with the 3.7L V6 engine.
• Flow FX Series absorption-style performance mufflers deliver a moderate to mild exhaust tone.
• Dyno-proven gains of up to 7 rear-wheel horsepower and 6 lb-ft of rear-wheel torque.
• Mandrel-bent 2.50-inch 16-gauge 409 stainless steel tubing promotes maximum exhaust flow.
• Dual 4.00-inch black ceramic-coated 304 stainless steel exhaust tips provide an aggressive custom appearance.
• Factory-style axle-back design utilizes original hanger locations for a direct-fit installation.
• Includes clamps, hangers, and all necessary installation hardware.
• Dual rear exit configuration maintains a clean, factory-inspired appearance.

Benefits

• Enhances throttle response by improving exhaust flow.
• Produces a sporty exhaust note without excessive cabin drone.
• Improves rear-wheel horsepower and torque for a more responsive driving experience.
• Premium stainless steel construction delivers long-lasting durability and corrosion resistance.
• Black ceramic-coated exhaust tips add a bold, high-performance appearance.
• Direct-fit design minimizes installation time with no major modifications required.
• Backed by Flowmaster's Lifetime Limited Warranty for long-term confidence.
  

Product Specifications

• Part Number: 717877
• Product Type: Axle-Back Exhaust System
• Exhaust Series: Flow FX
• Vehicle Compatibility: 2011-2014 Ford Mustang 3.7L V6
• Main Pipe Diameter: 2.50 inches
• Pipe Material: 409 Stainless Steel
• Pipe Finish: Natural
• Muffler Type: Flow FX Absorption Style
• Muffler Material: 409 Stainless Steel
• Muffler Body Shape: Round
• Muffler Body Dimensions: 4.00 in. Diameter x 14.00 in. Length
• Muffler Overall Length: 27.25 inches
• Sound Level: Moderate/Mild
• Exit Style: Dual Rear Exit
• Exhaust Tip Quantity: 2
• Exhaust Tip Diameter: 4.00 inches
• Exhaust Tip Length: 7.50 inches
• Exhaust Tip Material: 304 Stainless Steel
• Exhaust Tip Finish: Black Ceramic Coating
• Exhaust Tip Shape: Round
• Exhaust Tip Edge: Rolled
• Exhaust Tip Cut: Angled
• Exhaust Tip Connection: Clamp-On
• Clamps Included: Yes
• Hangers Included: Yes
• Mounting Method: Factory Hanger Locations
• Catalytic Converters Included: No
• Color: Silver piping with black ceramic-coated exhaust tips

Install Difficulty Level

Easy. This direct-fit axle-back exhaust system is designed to install using the factory hanger locations and includes all required hardware for installation. No welding or fabrication is required under normal installation conditions. Basic hand tools are all that are typically needed, and experienced installers can complete the installation in as little as less than 1 hour, making this an excellent weekend upgrade for most DIY enthusiasts.

Vehicle Fitment

Fits the following vehicles:

• 2011 Ford Mustang – 3.7L V6
• 2012 Ford Mustang – 3.7L V6
• 2013 Ford Mustang – 3.7L V6
• 2014 Ford Mustang – 3.7L V6

For questions about this product or to report product description inaccuracies, contact the MPT Performance experts at (407) 636-7077 or by email.