15-20 Ford F-150 2.7L/3.5L/5.0L Flowmaster 737887 Signature Series Exhaust System

Flowmaster 737887 Signature Series Exhaust System

The Flowmaster 737887 Signature Series Cat-back Exhaust System delivers a premium performance upgrade for the 2015-2020 Ford F-150, providing a deep, powerful exhaust tone with a refined moderate sound level inside the cab. Designed for truck owners seeking improved exhaust flow, enhanced styling, and proven performance, this system features a large 3.00-inch mandrel-bent exhaust tube, TIG-welded 304 stainless steel construction, and a straight-through Signature Series muffler. The brushed stainless steel finish provides long-lasting corrosion resistance while adding a high-end appearance under the truck. A large single rear exit tailpipe and 4.50-inch black chrome exhaust tip create an aggressive custom look while maintaining a clean factory-style fit. The system installs using factory hanger locations and includes all required hardware and detailed instructions for a straightforward upgrade.

Key Features

• Flowmaster Signature Series cat-back exhaust design engineered for performance and sound enhancement.
• Fits 2015-2020 Ford F-150 models equipped with 2.7L EcoBoost, 3.5L EcoBoost, 3.5L Ti-VCT, and 5.0L engines.
• Constructed from brushed 304 stainless steel for excellent durability and corrosion resistance.
• Large 3.00-inch mandrel-bent tubing improves exhaust flow and reduces restrictions.
• TIG-welded Signature Series straight-through muffler provides precise craftsmanship and reliable performance.
• Single rear exit configuration with a 4.50-inch black chrome PVD-coated exhaust tip for a premium appearance.
• Factory hanger locations and included hardware support an installer-friendly installation.
• Dyno-tested performance gains of up to 20 horsepower and 22 lb-ft of torque at the rear wheels.

Benefits

• Creates a deep, aggressive exhaust note outside the vehicle while maintaining a comfortable moderate interior tone.
• Improves exhaust flow characteristics for a more responsive driving experience.
• Adds a custom performance appearance without sacrificing factory-style fitment.
• 304 stainless steel construction helps protect against rust and weather-related wear for long-term reliability.
• Precision TIG welding provides stronger, cleaner welds and a premium finished appearance.
• Designed for easier installation with included clamps, hardware, and instructions.
• Backed by Flowmaster warranty coverage for added confidence in product quality and durability.

Product Specifications

• Brand: Flowmaster
• Series: Signature Series
• Part Number: 737887
• Product Type: Cat-back Exhaust System
• Category: Exhaust System
• Material: 304 Stainless Steel
• Finish: Brushed/Natural Stainless Steel
• Exhaust Exit Style: Single Out Rear
• Tailpipe Quantity: 1
• Tailpipe Outlet Diameter: 3.00 inches
• Main Piping Diameter: 3.00 inches
• Muffler Material: 304 Stainless Steel
• Muffler Style: Signature Series Straight-Through Performance Muffler
• Muffler Dimensions: 18.00 inches length x 9.00 inches width x 4.00 inches height
• Exhaust Tip Material: 304 Stainless Steel
• Exhaust Tip Finish: Black Chrome PVD Coating
• Exhaust Tip Diameter: 4.50 inches
• Exhaust Tip Length: 11.00 inches
• Exhaust Tip Style: Round, Angled Cut, Rolled Edge
• Clamping Type: Flat Band Clamps
• Clamps Included: Yes
• Hangers Included: Yes
• Mounting Brackets Included: Yes
• Catalytic Converter Included: No
• Sound Level: Aggressive / Moderate
• Emission Code: 5
• California Proposition 65 Warning: Yes

Install Difficulty level

This exhaust system is designed for an easy installation using factory hanger locations and included mounting hardware. Installation difficulty is considered simple for customers with basic mechanical skills, with an estimated installation time of approximately 1 hour when proper tools and workspace are available.

Vehicle Fitment

• 2015-2020 Ford F-150 with 2.7L EcoBoost engine
• 2015-2020 Ford F-150 with 3.5L EcoBoost engine
• 2019-2020 Ford F-150 Limited with 3.5L HO Ecoboost engine
• 2015-2020 Ford F-150 with 3.5L Ti-VCT engine
• 2015-2020 Ford F-150 with 5.0L engine

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