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Supplier details checked 2026-09-23 · Test catalog
Fits 2015-2020 Ford F-150 2.7L, 3.3L, 3.5L, 5.0-liter, Force II cat-back, dual out rear exit, 4.00-inch polished tips, stainless steel exhaust system
Flowmaster Force II Cat-Back Exhaust System
3.00-inch to dual 2.50-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power
409 stainless steel construction delivers extra durability and improved long-term corrosion resistance
Super 50 Series performance mufflers offer a moderate to mild sound level and increased performance
3 chamber muffler design uses a built-in resonance chamber to control interior sound levels better
4.00-inch polished stainless steel tips add a custom look to the truck
Includes all necessary hardware for an at home installation
Uses factory hanger locations for easy installation
Ideal for towing or long haul driving
Fits 145-inch wheelbases only
Flowmaster 15-20 Ford F-150 2.7L/3.5L/5.0L Force II Cat-Back Exhaust System
1520 FORD F150 27L35L50L FII DOR
SYS 15-20 FORD F-150
Flowmaster introduces our Force II stainless steel cat-back exhaust system for the 2015-2020 Ford F-150 trucks with the 2.7, 3.3, 3.5, and 5.0-Liter engines. This system uses the Super 50 series muffler for a moderate to mild sound level and increased performance. This 3 chamber muffler has a resonance chamber to reduce interior sound, ideal for towing or long haul situations. Mandrel bent 3.0-inch to dual out 2.5-inch 409 stainless steel tubing allows for maximum exhaust flow and durability. This system uses larger 4.0-inch polished stainless steel tips for a custom look. All of the necessary hardware is included, and factory-mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty.
SYS 15-20 FO
