Flowmaster 21-25 Ford F-150 2.7L/3.5L/5.0L FlowFX DOSS Exhaust System - 718116

Flowmaster introduces our Flow FX stainless steel cat-back exhaust system for the 2021-2026 Ford F-150 trucks with the 2.7, 3.5, and 5.0-liter engines. This system uses a Flow FX series muffler for an aggressive to moderate sound level and increased performance. 3.00-inch to dual 2.50-inch mandrel bent 409 stainless steel tubing allows for maximum exhaust flow and durability. The system uses dual 4.00-inch black ceramic-coated tips for a custom look. Max dyno gains of 9 hp and 10 lb-ft at the rear wheels. All of the necessary hardware is included, and factory-mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty.

Does not fit regular cab/short bed models. Does not fit hybrid Powerboost models. Does not fit models with OEM active exhaust option.

Features & Benefits

• 3.00-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power
• Flow FX Series performance muffler offers an aggressive to moderate sound level and increased performance
• 409 stainless steel construction delivers extra durability and improved long-term corrosion resistance
• Includes all necessary hardware for an at home installation
• Dual 4.00-inch black ceramic-coated tips add a custom look
• Max dyno gains of 9 hp and 10 lb-ft at the rear wheels
• Uses factory hanger locations for easy installation
• Lifetime Limited Warranty

Fitment has not been independently verified for your vehicle. Confirm the manufacturer application against your year, make, model, trim, and modifications before ordering.

Processing and carrier timing vary by stock status and destination. Final shipping services and costs are confirmed at checkout.

Shipping policy · Returns policy