21-26 Ford F-150 2.7L/3.5L/5.0L Flowmaster 718117 Flow FX Extreme Cat-Back Exhaust System

Flowmaster Flow FX Extreme Cat-Back Exhaust System for 2021-2026 Ford F-150 2.7L/3.5L/5.0L - Part #718117

The Flowmaster Flow FX Extreme Cat-Back Exhaust System (Part #718117) is engineered for truck owners who want an aggressive exhaust tone, improved performance, and enhanced off-road capability without compromising durability. Designed specifically for 2021-2026 Ford F-150 models equipped with the 2.7L EcoBoost, 3.5L EcoBoost, or 5.0L V8 engines, this premium exhaust system features mandrel-bent 3.0-inch 16-gauge 409 stainless steel tubing and a high-performance Flow FX absorption muffler to maximize exhaust flow. Dyno-tested gains of up to 12 horsepower and 13 lb-ft of rear-wheel torque help improve throttle response and overall driving enjoyment. The innovative dump-style exit eliminates the over-axle tailpipe, providing increased ground clearance and a better departure angle for demanding off-road adventures. Using factory mounting locations and including all required installation hardware, this system delivers a straightforward upgrade backed by Flowmaster's Lifetime Limited Warranty.

Key Features

• Designed specifically for 2021-2026 Ford F-150 trucks with 2.7L EcoBoost, 3.5L EcoBoost, and 5.0L V8 engines.
• Flow FX performance absorption muffler delivers an aggressive, deep exhaust tone.
• Dyno-proven gains of up to 12 horsepower and 13 lb-ft of rear-wheel torque.
• Mandrel-bent 3.0-inch 16-gauge 409 stainless steel tubing promotes maximum exhaust flow.
• Dump-style exit improves ground clearance and departure angle for off-road driving.
• Constructed from corrosion-resistant 409 stainless steel for long-lasting durability.
• Utilizes factory hanger locations for a direct-fit installation.
• Includes all necessary clamps and installation hardware.
• Slip-fit connections simplify assembly.
• Engineered for both 2WD and 4WD applications.

Benefits

• Produces a powerful, aggressive exhaust note that enhances the driving experience.
• Improves exhaust flow for better horsepower, torque, and throttle response.
• Provides increased underbody clearance by eliminating the factory over-axle tailpipe.
• Built to withstand harsh weather and demanding driving conditions with premium stainless steel construction.
• Direct-fit design minimizes installation time without requiring extensive modifications.
• Ideal for daily-driven trucks, performance builds, and off-road applications.
• Backed by Flowmaster's Lifetime Limited Warranty for long-term confidence and peace of mind.

Product Specifications

• Part Number: 718117
• Product Type: Cat-Back Exhaust System
• Exhaust Series: Flow FX Extreme
• Sound Level: Aggressive
• Main Tubing Diameter: 3.00 inches
• Tubing Material: 16-Gauge 409 Stainless Steel
• Muffler Series: Flow FX
• Muffler Type: Absorption
• Muffler Material: 409 Stainless Steel
• Muffler Body Diameter: 6.00 inches
• Muffler Body Length: 14.00 inches
• Muffler Overall Length: 44.30 inches
• Muffler Inlet Diameter: 3.00 inches
• Muffler Outlet Diameter: 3.00 inches
• Exit Style: Single Out Dump
• Finish: Natural
• Color: Silver
• Pipe Material: 409 Stainless Steel
• Clamps Included: Yes
• Hangers Included: Yes
• Mounting Style: Uses Factory Hanger Locations
• Catalytic Converter Included: No
• Exhaust Tip: None (Dump Exit Configuration)
• California Proposition 65: Yes

Install Difficulty Level

Easy. This direct-fit cat-back exhaust system installs using the factory mounting locations and includes all necessary hardware for installation. Basic hand tools and light mechanical experience are typically all that is required. Under ideal shop conditions, installation can be completed in as little as 2 hours, making it an excellent upgrade for enthusiasts looking to improve both performance and sound with minimal downtime.

Vehicle Fitment

Fits the following vehicles:

• 2021-2026 Ford F-150 2.7L EcoBoost V6
• 2021-2026 Ford F-150 3.5L EcoBoost V6
  
• 2021-2026 Ford F-150 5.0L V8
• Fits both 2-wheel drive and 4-wheel drive models.
• Does not fit Regular Cab/Short Bed (122-inch wheelbase) models.
• Does not fit Hybrid PowerBoost models.
• Does not fit vehicles equipped with the factory OEM Active Exhaust option.

If there are any questions about this product or to report any product description inaccuracies, please contact the MPT Performance experts at (407) 636-7077 or by email for professional product assistance.