21-26 Ford F-150 2.7L/3.5L/5.0L Flowmaster 718116 Flow FX Cat-Back Exhaust System

Flowmaster Flow FX Cat-Back Exhaust System - Part Number 718116

The Flowmaster Flow FX Cat-Back Exhaust System (Part #718116) is engineered to give the 2021-2026 Ford F-150 equipped with the 2.7L EcoBoost, 3.5L EcoBoost, or 5.0L V8 a noticeable increase in performance, a deeper exhaust tone, and an aggressive custom appearance. Built from durable 409 stainless steel with mandrel-bent tubing, this premium performance exhaust maximizes exhaust flow while maintaining long-lasting corrosion resistance for years of dependable service. The Flow FX performance muffler delivers an aggressive to moderate exhaust note without excessive interior drone, making it an excellent upgrade for daily-driven trucks and weekend performance enthusiasts alike. Dyno-tested gains of up to 9 horsepower and 10 lb-ft of rear-wheel torque help improve throttle response and driving enjoyment, while the dual black ceramic-coated 4.00-inch exhaust tips provide a bold factory-plus appearance. Designed to utilize factory mounting locations and supplied with all required hardware, this direct-fit cat-back system offers an excellent combination of performance, sound, durability, and value.

Key Features

• Direct-fit Flow FX Cat-Back exhaust system for 2021-2026 Ford F-150.
• Flow FX performance muffler produces an aggressive to moderate exhaust tone.
• Dyno-tested gains of up to 9 horsepower and 10 lb-ft of rear-wheel torque.
• Mandrel-bent 3.00-inch inlet transitioning to dual 2.50-inch tubing for improved exhaust flow.
• Constructed from durable 409 stainless steel for excellent corrosion resistance.
• Dual 4.00-inch black ceramic-coated 304 stainless steel exhaust tips with embossed Flowmaster logo.
• Factory-style routing with dual same-side exit.
• Uses factory hanger locations for a straightforward installation.
• Includes clamps, hangers, mounting hardware, and installation components.
• Designed and manufactured for long-lasting performance and durability.

Benefits

• Improves exhaust flow for increased horsepower, torque, and throttle response.
• Produces a muscular performance sound without being excessively loud during normal driving.
• Enhances the truck's appearance with premium black ceramic-coated exhaust tips.
• Stainless steel construction helps resist rust and corrosion for extended service life.
• Direct-fit design minimizes installation time and eliminates unnecessary fabrication.
• Ideal upgrade for truck owners seeking improved performance, sound, and style.
• Backed by Flowmaster's Lifetime Limited Warranty for added confidence and long-term value.
  

Product Specifications

• Part Number: 718116
• Product Type: Cat-Back Exhaust System
• Exhaust Series: Flow FX
• Sound Level: Aggressive / Moderate
• Material: 409 Stainless Steel tubing and muffler
• Exhaust Tip Material: 304 Stainless Steel
• Finish: Natural stainless steel
• Pipe Color: Silver
• Muffler Color: Silver
• Inlet Diameter: 3.00 inches
• Main Pipe Diameter: Dual 2.50 inches
• Exhaust Tip Diameter: Dual 4.00 inches
• Exhaust Tip Finish: Black Ceramic Coated
• Exhaust Tip Shape: Round
• Exhaust Tip Style: Double Wall, Angle Cut
• Exit Configuration: Dual Out Same Side
• Muffler Type: Absorption
• Muffler Body Shape: Oval
• Muffler Body Dimensions: 14.00 in. Length x 9.00 in. Width x 4.00 in. Height
• Muffler Overall Length: 20.00 inches
• Clamps Included: Yes
• Hangers Included: Yes
• Mounting Bracket Included: Yes
• Catalytic Converters Included: No
• California Proposition 65: Yes

Install Difficulty Level

Easy. This direct-fit cat-back system is designed to install using the factory mounting locations and includes all necessary installation hardware. Basic hand tools and common garage equipment are typically all that are required. Under ideal shop conditions with a vehicle lift, installation can be completed in approximately 1 hour, making it an excellent upgrade for experienced DIY installers or professional technicians.

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

Fitment Notes:

• Does not fit Regular Cab with Short Bed models.
• Does not fit Hybrid PowerBoost models.
• Does not fit vehicles equipped with the factory Active Exhaust option.

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