Flowmaster 17-25 F250/F350 6.2/6.8/7.3L FlowFX DOS Cat-Back Exhaust System

This Flowmaster® Flow FX® cat-back exhaust system for the 2017-2025 Ford F250/F350 Super Duty trucks with the 6.2, 6.8 or 7.3-liter engine is manufactured using durable 409 stainless steel throughout and features 3.5 to dual 3.0-inch mandrel bent pipes for better exhaust gas flow. A Flow FX "straight-through" muffler is used for an aggressive to moderate sound level and maximum performance. Maximum increases on the dyno revealed +11 hp and +15 lb-ft at the rear wheels. This system exits out both sides, behind the rear wheels with 4.50-inch black ceramic tips for added style and a custom look. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty. Fits 2017-2026 Ford F250/F350 Super Duty with 6.2, 6.8 and 7.3-Liter V8, Flow FX Cat-Back, Dual Side Exit, Stainless Steel Exhaust System 2017-2025 Ford F250/F350 Super Duty with 6.2L/6.8L/7.3L-Liter engines. Fits 2 & 4-wheel drive, All Wheelbases.

• Flow FX “straight through” performance muffler delivers a deep, aggressive to moderate performance tone and improves exhaust flow
• 3.50 to dual 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
• Includes complete hardware and factory styled hangers in the stock locations for an easy installation
• Max increases of up to 11 hp and 15 lb-ft over the stock exhaust at the rear wheels
• 4.50-Inch black ceramic coated tips add a custom look to the truck

Upgrade your 2017-2026 Ford F-250 or F-350 Super Duty with the Flowmaster Flow FX cat-back exhaust system, part number 718100. Designed for trucks equipped with the 6.2L, 6.8L or 7.3L V8 engine, this performance exhaust system fits two- and four-wheel-drive models across all wheelbases. The dual side-exit configuration delivers an aggressive to moderate exhaust tone while improving exhaust flow and giving your truck a custom appearance.
Constructed from durable 409 stainless steel, the system uses mandrel-bent tubing to help maintain consistent airflow throughout the exhaust path. A Flow FX straight-through muffler supports strong performance without excessive restriction, while dyno testing recorded gains of up to 11 horsepower and 15 lb-ft of torque at the rear wheels over the factory exhaust. The system transitions from 3.5-inch tubing to dual 3-inch outlets for balanced flow and dependable performance.
The exhaust exits behind both rear wheels and includes 4.5-inch black ceramic-coated tips for a clean, distinctive finish. Factory-style hangers use the original mounting locations, helping simplify installation and maintain proper alignment. All required hardware and installation instructions are included for a straightforward home installation. This Flowmaster exhaust system is backed by a Lifetime Limited Warranty. California buyers should review applicable emissions requirements before installation.

Features:

• Flow FX straight-through muffler delivers an aggressive to moderate performance tone and promotes improved exhaust flow

• 3.5-inch to dual 3-inch mandrel-bent 409 stainless steel tubing provides durability and consistent airflow

• Dyno-tested gains of up to 11 horsepower and 15 lb-ft of torque at the rear wheels over the stock exhaust

• Dual side-exit design routes exhaust behind both rear wheels

• 4.5-inch black ceramic-coated tips add a custom appearance and durable finish

• Factory-style hangers use the original mounting locations for easier installation

• Complete hardware and installation instructions are included

• Fits 2017-2026 Ford F-250 and F-350 Super Duty trucks with 6.2L, 6.8L or 7.3L V8 engines

• Compatible with two-wheel-drive and four-wheel-drive models across all wheelbases

• Backed by Flowmaster's Lifetime Limited Warranty

Fitment:
Ford F-250 Super Duty King Ranch 2017
Ford F-250 Super Duty King Ranch 2018
Ford F-250 Super Duty King Ranch 2019
Ford F-250 Super Duty King Ranch 2020
Ford F-250 Super Duty King Ranch 2021
Ford F-250 Super Duty King Ranch 2022
Ford F-250 Super Duty King Ranch 2023
Ford F-250 Super Duty King Ranch 2024
Ford F-250 Super Duty King Ranch 2025
Ford F-250 Super Duty King Ranch 2026
Ford F-250 Super Duty Lariat 2017
Ford F-250 Super Duty Lariat 2018
Ford F-250 Super Duty Lariat 2019
Ford F-250 Super Duty Lariat 2020
Ford F-250 Super Duty Lariat 2021
Ford F-250 Super Duty Lariat 2022
Ford F-250 Super Duty Lariat 2023
Ford F-250 Super Duty Lariat 2024
Ford F-250 Super Duty Lariat 2025
Ford F-250 Super Duty Lariat 2026
Ford F-250 Super Duty Platinum 2017
Ford F-250 Super Duty Platinum 2018
Ford F-250 Super Duty Platinum 2019
Ford F-250 Super Duty Platinum 2020
Ford F-250 Super Duty Platinum 2021
Ford F-250 Super Duty Platinum 2022
Ford F-250 Super Duty Platinum 2023
Ford F-250 Super Duty Platinum 2024
Ford F-250 Super Duty Platinum 2025
Ford F-250 Super Duty Platinum 2026
Ford F-250 Super Duty XL 2017
Ford F-250 Super Duty XL 2018
Ford F-250 Super Duty XL 2019
Ford F-250 Super Duty XL 2020
Ford F-250 Super Duty XL 2021
Ford F-250 Super Duty XL 2022
Ford F-250 Super Duty XL 2023
Ford F-250 Super Duty XL 2024
Ford F-250 Super Duty XL 2025
Ford F-250 Super Duty XL 2026
Ford F-250 Super Duty XLT 2017
Ford F-250 Super Duty XLT 2018
Ford F-250 Super Duty XLT 2019
Ford F-250 Super Duty XLT 2020
Ford F-250 Super Duty XLT 2021
Ford F-250 Super Duty XLT 2022
Ford F-250 Super Duty XLT 2023
Ford F-250 Super Duty XLT 2024
Ford F-250 Super Duty XLT 2025
Ford F-250 Super Duty XLT 2026
Ford F-350 Super Duty King Ranch 2017
Ford F-350 Super Duty King Ranch 2018
Ford F-350 Super Duty King Ranch 2019
Ford F-350 Super Duty King Ranch 2020
Ford F-350 Super Duty King Ranch 2021
Ford F-350 Super Duty King Ranch 2022
Ford F-350 Super Duty King Ranch 2023
Ford F-350 Super Duty King Ranch 2024
Ford F-350 Super Duty King Ranch 2025
Ford F-350 Super Duty King Ranch 2026
Ford F-350 Super Duty Lariat 2017
Ford F-350 Super Duty Lariat 2018
Ford F-350 Super Duty Lariat 2019
Ford F-350 Super Duty Lariat 2020
Ford F-350 Super Duty Lariat 2021
Ford F-350 Super Duty Lariat 2022
Ford F-350 Super Duty Lariat 2023
Ford F-350 Super Duty Lariat 2024
Ford F-350 Super Duty Lariat 2025
Ford F-350 Super Duty Lariat 2026
Ford F-350 Super Duty Platinum 2017
Ford F-350 Super Duty Platinum 2018
Ford F-350 Super Duty Platinum 2019
Ford F-350 Super Duty Platinum 2020
Ford F-350 Super Duty Platinum 2021
Ford F-350 Super Duty Platinum 2022
Ford F-350 Super Duty Platinum 2023
Ford F-350 Super Duty Platinum 2024
Ford F-350 Super Duty Platinum 2025
Ford F-350 Super Duty Platinum 2026
Ford F-350 Super Duty XL 2017
Ford F-350 Super Duty XL 2018
Ford F-350 Super Duty XL 2019
Ford F-350 Super Duty XL 2020
Ford F-350 Super Duty XL 2021
Ford F-350 Super Duty XL 2022
Ford F-350 Super Duty XL 2023
Ford F-350 Super Duty XL 2024
Ford F-350 Super Duty XL 2025
Ford F-350 Super Duty XL 2026
Ford F-350 Super Duty XLT 2017
Ford F-350 Super Duty XLT 2018
Ford F-350 Super Duty XLT 2019
Ford F-350 Super Duty XLT 2020
Ford F-350 Super Duty XLT 2021
Ford F-350 Super Duty XLT 2022
Ford F-350 Super Duty XLT 2023
Ford F-350 Super Duty XLT 2024
Ford F-350 Super Duty XLT 2025
Ford F-350 Super Duty XLT 2026