09-10 Ford F-150 4.6L & 5.4L / 11-14 Ford F-150 3.5L & 5.0L Flowmaster 817707 Outlaw Extreme Cat-back Exhaust System

Flowmaster Outlaw Extreme Cat-back Exhaust System - Part Number 817707

The Flowmaster Outlaw Extreme Cat-back Exhaust System (817707) is designed for 2009-2014 Ford F-150 trucks equipped with 3.5L, 4.6L, 5.0L, and 5.4L engines. Built for drivers who want maximum exhaust presence, this performance exhaust system delivers an aggressive, deep exhaust tone using race-proven Outlaw muffler technology and a 3.00-inch dump-style turndown design. The system enhances the personality of the F-150 with a bold sound profile inside and outside the truck while maintaining Flowmaster’s reputation for durability and performance. Constructed from corrosion-resistant 409 stainless steel and engineered to use factory hanger locations, this cat-back system provides a straightforward installation with the included hardware. The Flowmaster Outlaw Extreme is an ideal upgrade for truck owners looking for aggressive sound, rugged construction, and dependable long-term performance.

Key Features

• Race-proven Flowmaster Outlaw muffler technology delivers an extreme, aggressive exhaust tone.
• 3.00-inch mandrel-bent tubing supports improved exhaust flow and performance styling.
• Dump-style single exit design creates a deep, powerful sound that stands out from the crowd.
• 409 stainless steel construction provides excellent durability and corrosion resistance.
• Uses factory hanger locations for a clean, secure fit.
• Designed for both 2WD and 4WD Ford F-150 applications with various wheelbases.
• Includes necessary clamps and hardware for a convenient installation.

Benefits

• Provides an aggressive exhaust note for drivers who want their truck to sound as powerful as it performs.
• Improves the overall appearance and performance character of the Ford F-150 with a high-performance cat-back design.
• Offers long-lasting reliability backed by Flowmaster’s Lifetime Limited Warranty.
• Delivers a durable exhaust solution built to handle demanding street, towing, and off-road environments.
• Allows for a simplified installation process without requiring extensive exhaust modifications.

Product Specifications

• Brand: Flowmaster
• Part Number: 817707
• Product Type: Cat-back Exhaust System
• Exhaust Series: Outlaw Extreme
• Sound Level: Aggressive
• Material: 409 Stainless Steel
• Finish: Natural piping finish with black high-temperature painted muffler
• Pipe Diameter: 3.00 inches
• Inlet Diameter: 3.00 inches
• Tail Pipe Outlet Diameter: 3.00 inches
• Exhaust Tip Material: 409 Stainless Steel
• Exhaust Tip Finish: Black Ceramic Coating
• Exhaust Tip Length: 11.00 inches
• Exhaust Tip Shape: Round
• Exit Style: Single Out Dump
• Muffler Type: Chambered Outlaw Series Muffler
• Muffler Quantity: 1
• Muffler Body Size: 4.00 inches x 4.00 inches x 10.50 inches
• Clamping Type: Flat Band Clamp
• Mounting Type: Factory hanger locations
• Catalytic Converter Included: No
• Valve Included: No
• Drive Compatibility: 2WD and 4WD
• Emission Code: 5
• UPC: 700042032402

Install Difficulty level

This Flowmaster Outlaw Extreme Cat-back Exhaust System is designed for an easy installation using factory hanger locations and included hardware. Installation can typically be completed in approximately 2 hours with basic hand tools, making it a manageable upgrade for enthusiasts with moderate mechanical experience.

Vehicle Fitment

• 2009-2014 Ford F-150 with 3.5L engine
• 2009-2010 Ford F-150 with 4.6L engine
• 2011-2014 Ford F-150 with 5.0L engine
• 2009-2010 Ford F-150 with 5.4L engine
• Fits 2WD and 4WD models with applicable cab and wheelbase configurations

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