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Supplier details checked 2026-09-23 · Test catalog
Fits 2021-2026 GM Tahoe/Yukon 5.3-liter, Force II Cat-Back 3.0-inch Stainless Steel Exhaust System, 3.5-inch Polished Tip, Single Out Rear Exit
Flowmaster Force II Cat-Back Exhaust System
3.00-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 40 Series performance muffler offers a moderate to mild sound level and increased performance
3.50-inch polished stainless steel tip adds a custom look to the vehicle
Tuned resonator helps to eliminate interior drone for comfort
Includes all necessary hardware for an at home installation
Uses factory hanger locations for easy installation
Max dyno gains of 6 hp and 7 lb-ft at the wheels
This kit fits models with the factory single exit exhaust only.
Flowmaster 21-25 Tahoe/Yukon 5.3L Force II Cat-Back Exhaust System
2125 TAHOEYUKON 53L FII CB SOR
SYS 21-26 TAHOE/YUKO
Flowmaster introduces our Force II stainless steel cat-back exhaust system for the 2021-2026 GM Tahoe/Yukon with the 5.3-liter engine. This system uses the Super 40 series muffler for a moderate to mild sound level and increased performance. Mandrel bent 3.00-inch 409 stainless steel tubing allows for maximum exhaust flow and durability. The system uses a larger 3.50-inch polished stainless steel tip for a custom look. This system also has a tuned resonator to control interior sound and maintain driving comfort. Max dyno gains of 6 hp and 7 lb-ft at the rear wheels over stock. 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 21-26 TA
