15-17 Ford Mustang GT 5.0L V8 Flowmaster 817730 American Thunder Cat-back Exhaust System

Flowmaster American Thunder Cat-back Exhaust System

Part Number: 817730

The Flowmaster American Thunder Cat-back Exhaust System delivers the legendary Flowmaster muscle car sound for 2015-2017 Ford Mustang GT 5.0L V8 coupe models. Designed for enthusiasts who want an aggressive exterior exhaust note while maintaining a moderate interior sound level, this performance exhaust system improves the driving experience with a deep, powerful tone and dyno-tuned airflow characteristics. The system features a dual 3.00-inch Scavenger Series X-pipe assembly, specially tuned 60 Series chambered mufflers, and mandrel-bent stainless steel tubing to support performance while providing the unmistakable Flowmaster sound. Built for a straightforward bolt-on installation, the system uses factory hanger locations and includes the necessary components for a clean upgrade from the factory exhaust.

Key Features

• Designed specifically for 2015-2017 Ford Mustang GT 5.0L V8 coupe models
• American Thunder Series cat-back exhaust design for an aggressive exterior tone with a moderate interior sound level
• Dual 3.00-inch Scavenger Series X-pipe assembly designed for enhanced exhaust flow and a unique deep tone
• Specially engineered Flowmaster 60 Series chambered performance mufflers
• 3.00-inch mandrel-bent stainless steel tubing for smooth exhaust flow and durability
• Large 4.00-inch polished 304 stainless steel exhaust tips with embossed Flowmaster logo styling
• Dyno tuned for performance-focused exhaust characteristics
• Uses factory hanger locations for easier installation
• Emissions-legal design

Benefits

• Provides the classic Flowmaster exhaust sound that enhances the character of the Mustang GT 5.0L V8 engine
• Improves exhaust flow potential compared to restrictive factory components
• Creates a more aggressive appearance with large polished stainless steel exhaust tips
• Offers durable stainless steel construction designed for long-lasting performance
• Allows enthusiasts to achieve a premium aftermarket exhaust upgrade with a bolt-on design
• Backed by Flowmaster's Lifetime Limited Warranty for added confidence and product protection

Product Specifications

• Brand: Flowmaster
• Part Number: 817730
• Product Type: Cat-back Exhaust System
• Exhaust Series: American Thunder
• Vehicle Drive Type: 2WD
• Engine Compatibility: 5.0L V8
• Sound Level: Aggressive exterior sound / Moderate interior sound
• Main Pipe Diameter: 3.00 inches
• Inlet Diameter: 3.00 inches
• Tail Pipe Diameter: 3.00 inches
• Exhaust Tip Diameter: 4.00 inches
• Exhaust Tip Quantity: 2
• Exhaust Tip Material: 304 Stainless Steel
• Exhaust Tip Finish: Polished
• Exhaust Tip Color: Silver
• Exhaust Tip Style: Round, angle cut, double wall
• Pipe Material: 409 Stainless Steel
• Muffler Material: 409 Stainless Steel
• Muffler Type: 60 Series Chambered Performance Mufflers
• Muffler Quantity: 2
• Muffler Finish: Black High-Temperature Paint
• Exit Style: Dual Rear Exit
• Catalytic Converter Included: No
• Valve Included: No
• Clamps Included: Yes
• Hangers Included: Yes
• California Proposition 65 Warning: Yes

Install Difficulty level

This Flowmaster American Thunder Cat-back Exhaust System is designed for an easy bolt-on installation using factory hanger locations and included hardware. Installation can typically be completed in approximately 2 hours with basic mechanical tools and light to moderate mechanical skill, making it a manageable upgrade for experienced DIY enthusiasts.

Vehicle Fitment

• 2015-2017 Ford Mustang GT Coupe
• Engine: 5.0L V8
• Body Style: Coupe/Fastback only
• Note: This system does not fit Mustang convertible models

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