15-20 Ford F-150 3.5L/2.7L/5.0L Flowmaster 817726 Outlaw Cat-back Exhaust System

Flowmaster 817726 Outlaw Cat-back Exhaust System

Part Number: 817726

Flowmaster 817726 Outlaw Cat-back Exhaust System is designed for 2015-2020 Ford F-150 trucks that demand a powerful exhaust tone, aggressive styling, and proven performance engineering. This complete bolt-on exhaust upgrade delivers a super aggressive exterior sound while maintaining a more controlled interior driving experience. Built from durable 409 stainless steel, this cat-back system features Flowmaster's Super 10 Series chambered performance muffler, mandrel-bent tubing, and large black ceramic coated exhaust tips for a premium appearance that matches the capability of the F-150 platform.

The Flowmaster Outlaw system provides dual exit options, allowing the installer to choose rear exit under the bumper for a muscular appearance or side exits behind the rear tires for trucks used for towing applications. With quality components, precision fitment, and Flowmaster engineering, this exhaust system is an ideal choice for truck owners looking to enhance sound, style, and performance without replacing the factory catalytic converters.

Key Features

• Super 10 Series performance muffler delivers a super aggressive exhaust sound.
• Complete cat-back exhaust system designed for easy bolt-on installation.
• 3.00-inch mandrel-bent inlet tubing improves exhaust flow and durability.
• Dual 2.50-inch mandrel-bent tailpipes provide a clean performance appearance.
• Large 4.00-inch black ceramic coated stainless steel exhaust tips add a premium custom look.
• Includes rear and side tailpipe exit configurations for styling and towing preferences.
• Constructed from corrosion-resistant 409 stainless steel for long-lasting performance.
• Designed with Flowmaster performance technology and quality craftsmanship.

Benefits

• Provides an aggressive exhaust note that enhances the driving experience of the Ford F-150.
• Improves the truck's appearance with oversized black ceramic coated exhaust tips.
• Maintains factory catalytic converters while upgrading the exhaust system behind them.
• Offers durable stainless steel construction designed for daily driving and performance use.
• Provides a direct-fit upgrade with included hardware for a smoother installation process.
• Backed by Flowmaster's Lifetime Limited Warranty for added product confidence.

Product Specifications

• Brand: Flowmaster
• Part Number: 817726
• Product Type: Cat-back Exhaust System
• Exhaust Series: Outlaw
• Sound Level: Aggressive
• Material: 409 Stainless Steel piping and muffler construction
• Exhaust Tip Material: 304 Stainless Steel
• Exhaust Tip Finish: Black Ceramic Coating
• Exhaust Tip Size: 4.00 inches
• Exhaust Tip Quantity: Two
• Exhaust Tip Style: Round, angled cut, double wall design
• Inlet Diameter: 3.00 inches
• Main Piping Diameter: 3.00 inches
• Tail Pipe Outlet Diameter: 3.00 inches
• Muffler Type: Chambered Super 10 Series
• Muffler Material: 409 Stainless Steel
• Muffler Finish: Black high-temperature paint finish
• Exit Style: Dual rear exit or dual side exit
• Finish: Natural stainless steel piping
• Clamping Type: Flat band clamps
• Mounting Hardware: Hangers, brackets, and clamps included
• Catalytic Converter Included: No
• Emission Code: 5
• California Proposition 65 Warning: Applies due to listed chemical content including chromium (hexavalent compounds) and nickel (metallic).

Install Difficulty level

This Flowmaster 817726 Outlaw Cat-back Exhaust System is designed for an easy installation using basic hand tools and included mounting hardware. The direct-fit design helps simplify installation by utilizing factory mounting locations, making it a practical upgrade for experienced DIY installers. Installation can typically be completed in approximately 2 hours.

Vehicle Fitment

• 2015-2020 Ford F-150 with 2.7L EcoBoost engine.
• 2018-2020 Ford F-150 with 3.3L engine.
• 2015-2020 Ford F-150 with 3.5L EcoBoost engine.
• 2015-2017 Ford F-150 with 3.5L Ti-VCT engine.
• 2015-2020 Ford F-150 with 5.0L engine.
• Fits 2WD and 4WD configurations with applicable wheelbases.
• Does not fit Ford F-150 Standard Cab/Short Bed models.
• Does not fit Ford F-150 Raptor models.

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