05-10 Ford Mustang GT 4.6L Flowmaster 717827 Flow FX Axle-Back Exhaust System

Flowmaster Flow FX Axle-Back Exhaust System – Part Number 717827

The Flowmaster Flow FX Axle-Back Exhaust System (Part Number 717827) is engineered to give 2005-2010 Ford Mustang performance enthusiasts an aggressive yet refined exhaust upgrade without compromising everyday drivability. Featuring straight-through Flow FX performance mufflers, mandrel-bent 409 stainless steel tubing, and oversized black ceramic-coated stainless steel exhaust tips, this premium axle-back system delivers improved exhaust flow, a deep muscular exhaust tone, and an eye-catching appearance. Designed as a direct-fit replacement, the system utilizes the factory hanger locations for a hassle-free installation while maintaining excellent fitment. Whether enhancing the sound of a daily-driven Mustang GT or adding an aggressive finishing touch to a Shelby GT500, this Flowmaster system delivers proven performance, premium durability, and long-lasting value backed by Flowmaster's Lifetime Limited Warranty.

Key Features

• Flow FX straight-through large core performance mufflers for maximum exhaust flow.
• Deep, powerful exhaust note with an aggressive to moderate sound level.
• Mandrel-bent 3.00-inch 409 stainless steel tubing for unrestricted airflow.
• Large 4.50-inch black ceramic-coated 304 stainless steel exhaust tips.
• Dyno-tuned to optimize exhaust performance and sound.
• Direct-fit axle-back design using factory hanger locations.
• Slip-fit inlet connections with included flat band clamps.
• Dual rear exit configuration for an aggressive factory-style appearance.
• Includes all required hardware and detailed installation instructions.
• Fits both coupe and convertible applications, including GT500KR models.

Benefits

• Produces a deeper, more aggressive exhaust tone while remaining comfortable for street driving.
• Improves exhaust flow to help maximize engine performance.
• Enhances the rear appearance with oversized black ceramic-coated exhaust tips.
• High-quality stainless steel construction resists corrosion for long service life.
• Factory-style fit minimizes installation time and eliminates unnecessary modifications.
• Designed for enthusiasts seeking premium sound, performance, and durability from a trusted performance exhaust manufacturer.
• Backed by Flowmaster's Lifetime Limited Warranty for long-term confidence and peace of mind.

Product Specifications

• Manufacturer: Flowmaster
• Part Number: 717827
• Series: Flow FX
• Product Type: Axle-Back Exhaust System
• Main Pipe Diameter: 3.00 inches
• Exhaust Configuration: Dual Rear Exit
• Pipe Material: 409 Stainless Steel
• Muffler Material: 409 Stainless Steel
• Muffler Style: Flow FX Straight-Through Absorption
• Muffler Quantity: 2
• Muffler Body Shape: Round
• Muffler Body Dimensions: 14.00 in. Length x 4.00 in. Diameter
• Muffler Overall Length: 32.50 inches
• Exhaust Tip Quantity: 2
• Exhaust Tip Diameter: 4.50 inches
• Exhaust Tip Length: 5.25 inches
• Exhaust Tip Material: 304 Stainless Steel
• Exhaust Tip Finish: Black Ceramic Coated
• Tip Style: Round, Rolled Edge, Angled Cut, Single Wall
• Color: Silver tubing with Black exhaust tips
• Mounting Style: Uses Factory Hanger Locations
• Connection Type: Slip-Fit with Flat Band Clamps
• Clamps Included: Yes
• Hangers Included: Yes
• Catalytic Converters Included: No
• Sound Level: Aggressive / Moderate
• Finish: Natural Stainless Steel
• California Proposition 65: Yes

Install Difficulty Level

Easy. This direct-fit axle-back exhaust system is designed to bolt into the factory exhaust locations using the original hanger mounts. With the included hardware and detailed instructions, installation can typically be completed in as little as 30 minutes using basic hand tools, making it an excellent upgrade for experienced DIY enthusiasts or professional installers.

Vehicle Fitment

• 2005-2010 Ford Mustang GT – 4.6L V8
• 2005-2010 Ford Mustang Shelby GT – 4.6L V8
• 2007-2010 Ford Mustang Shelby GT500 – 5.4L Supercharged V8
• 2008-2009 Ford Mustang Bullitt – 4.6L V8
• 2007-2008 Ford Mustang California Special (GT/CS) – 4.6L V8
• Includes compatibility with GT500KR models.
• Fits Coupe and Convertible models.

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