20-26 Ford Explorer ST 3.0L V6 Flowmaster 717999 Flow FX Cat-Back Exhaust System

Flowmaster 717999 Flow FX Cat-Back Exhaust System

The Flowmaster 717999 Flow FX Cat-Back Exhaust System is engineered for 2020-2026 Ford Explorer ST and Lincoln Aviator models equipped with the 3.0L twin-turbo EcoBoost V6 engine. Designed to improve exhaust flow, enhance sound, and add a performance-focused appearance, this system delivers an aggressive-to-moderate European-style exhaust tone while maintaining comfortable interior sound levels. Constructed from durable 409 stainless steel with 3.00-inch mandrel-bent tubing, this cat-back system helps maximize exhaust efficiency and supports impressive dyno-tested gains of up to 20 horsepower and 25 lb-ft of torque at the rear wheels over the factory system. The high-tuck design improves ground clearance, while dual black ceramic-coated 3.50-inch stainless steel tips provide a custom appearance. Using factory hanger locations and included installation hardware, the Flow FX exhaust system offers a direct-fit upgrade for enthusiasts looking to improve their Explorer ST or Aviator’s performance, styling, and driving experience.

Key Features

• Designed for 2020-2026 Ford Explorer ST and Lincoln Aviator models with the 3.0L twin-turbo EcoBoost V6 engine.
• 3.00-inch mandrel-bent tubing improves exhaust gas flow and supports increased performance.
• Durable 409 stainless steel construction provides long-lasting corrosion resistance.
• Flow FX dual inlet/outlet muffler features an integrated X-pipe style merge for improved exhaust scavenging and sound control.
• Unique Helmholtz-style resonators help reduce interior drone while maintaining an enhanced exhaust note.
• Dual rear exit design with quad 3.50-inch black ceramic-coated 304 stainless steel tips adds a premium performance appearance.
• High-tuck exhaust design helps maintain maximum ground clearance.
• Factory-style fitment utilizes existing OEM hanger locations for a cleaner installation.
• Includes necessary hardware and installation instructions for a straightforward installation process.

Benefits

• Improves exhaust flow for enhanced engine performance potential.
• Provides a sportier exhaust tone without sacrificing everyday drivability.
• Adds a customized performance appearance with black ceramic-coated exhaust tips featuring the Flowmaster logo.
• Offers increased durability compared to standard factory exhaust components.
• Helps reduce unwanted interior resonance for a refined driving experience.
• Backed by Flowmaster’s Lifetime Limited Warranty for long-term confidence and product support.

Product Specifications

• Brand: Flowmaster
• Part Number: 717999
• Product Type: Cat-Back Exhaust System
• Exhaust Series: Flow FX
• Material: 409 Stainless Steel Exhaust Tubing and Muffler Construction
• Exhaust Tip Material: 304 Stainless Steel
• Exhaust Tip Finish: Black Ceramic Coating
• Exhaust Tip Diameter: 3.50 inches
• Exhaust Tip Quantity: Dual Tips
• Main Piping Diameter: 3.00 inches
• Exit Style: Dual Rear Exit
• Muffler Type: Flow FX Absorption Muffler
• Muffler Dimensions: 18.00 inches Length x 8.00 inches Width x 5.00 inches Height
• Muffler Color: Silver with Natural Finish
• Sound Level: Aggressive / Moderate
• Installation Type: Clamp-On Connections Using Factory Hangers
• Catalytic Converter Included: No
• Grade Type: Performance
• Emission Code: 5
• California Proposition 65 Warning Applies
• Does Not Fit Lincoln Aviator Grand Touring Hybrid Engine Models

Install Difficulty level

This Flowmaster 717999 Flow FX Cat-Back Exhaust System is designed for an easy installation using factory hanger locations and included mounting hardware. Installation typically takes approximately 1-2 hours, making it a manageable upgrade for many experienced do-it-yourself installers with basic automotive tools. Professional installation is recommended for customers who prefer additional assistance.

Vehicle Fitment

• 2020-2026 Ford Explorer ST – 3.0L Twin-Turbo EcoBoost V6 Engine
• 2020-2026 Lincoln Aviator – 3.0L Twin-Turbo EcoBoost V6 Engine
• Does not fit 2020-2023 Lincoln Aviator Grand Touring models equipped with the Hybrid Engine.

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