“Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System”
“...American Thunder stainless steel cat-back exhaust system for the 2021-2026 Ford F-150 with the 2.7L, 3.5L and 5.0L engines...”
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Product information
Manufacturer information. Check the part number and installation requirements for your vehicle.
Supplier details checked 2026-09-23 · Test catalog
Product description
Fits 2021-2026 Ford F-150 2.7L, 3.5L, 5.0L. American Thunder, Cat-Back, Dual Exit Stainless Steel Exhaust System
Flowmaster American Thunder Cat-Back Exhaust System
Features
Super 40 Series Performance Muffler Delivers a Deep and Aggressive Performance Tone
Includes Both Rear and Side Exit Tailpipes so the Final Look can be Customized
3.50-Inch Polished Stainless Steel Tips add a Classic Performance Look
Delta Flow Technology Increases Performance and Reduces Drone
Maximum Dyno Gains of 11 HP and 10 LB.FT. at the Rear Wheels
Uses the Factory Hanger Locations for an Easy Installation
Stainless Steel Construction adds Durability
Mandrel-bent Tubing Maximizes Exhaust Flow
Clears the Factory Spare Tire
Lifetime Limited Warranty
Manufacturer notes
2021-2026 Ford f-150 Trucks with 2.7L, 3.5L Ecoboost, 3.5L Ti-VCT and 5.0L engines. Fits 2 & 4-wheel drive. Does not fit regular cab with 6.5' bed. Does not fit hybrid Powerboost models. Does not fit models with OEM active exhaust option.
Supplier category
Exhaust, Mufflers & Tips
Supplier subcategory
Catback
UPC / barcode
090127130179
Units per product
1
Supplier Proposition 65 status
Y
Supplier EPA status
N/A
Air freight prohibited
No
Not CARB approved
No
CARB acknowledgement required
Yes
Freight delivery required
No
Powersports product
No
More manufacturer information
Other product descriptions
Flowmaster 21-25 Ford F150 2.7L/3.5L/5.0L American Thunder Cat-Back Exhaust System
2125 FORD F150 27L35L50L AMT DORS
SYS 21-26 FORD F150
About the manufacturer
Flowmaster introduces our new American Thunder stainless steel cat-back exhaust system for the 2021-2026 Ford F-150 with the 2.7L, 3.5L and 5.0L engines. This system uses a Super 40 series muffler for a deep powerful sound and increased performance. Maximum dyno gains of 11 HP and 10 LB.FT. at the rear wheels. Mandrel bent 409 stainless steel tubing is used for maximum exhaust flow and durability. The system has a 3.0-inch inlet pipe and dual 2.5-inch tailpipes with both side exit and rear exit options that allow you to customize the look of the kit. 3.5-inch polished stainless steel tips finish off the kit for a classic performance 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.
Additional manufacturer information
SYS 21-26 FO
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