Flowmaster
Flowmaster 21-25 F-150 FlowFX Direct Fit Muffler
Why this price?
$425.95 is MSRP, the lowest price Flowmaster lets us list it at. Additionally, Pro members get 3% to 35% back on most parts.
Not sure it fits? Read our tips.
Fitment tips
Fitment can come down to more than year, make and model. Sometimes the sub-model decides, so start with the fitment table below.
- Drive type. If your car is all-wheel drive, make sure the part is for all-wheel drive, not rear-wheel drive.
- Engine size. For engine parts, make sure the engine size on the product matches your engine.
- Transmission. Manual and automatic cars often take different parts.
- Body style. Sedan or hatch, two-door or four-door, cab and bed length on trucks.
Manufacturer data can sometimes have imperfections. Still not sure? We are happy to help.
Send us a message and we will confirm the fit.
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This Flowmaster® Flow FX Direct-Fit Muffler system for the 2021-2026 Ford F-150 trucks with the 2.7, 3.5 or 5.0-liter engines is manufactured using durable 409 stainless steel throughout and features 3.00-inch mandrel bent pipes for optimum exhaust gas flow. A Flowmaster Flow FX Series muffler is used for an aggressive to moderate sound level and maximum performance. Performance increases on the dyno revealed an increase of 18 hp and 14 ft/lbs. at the rear wheels. This system connects directly to the factory dual tail pipes and uses all the existing factory hangers. Includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's One (1) Year Limited Warranty.
Installation InstructionsWarranty
- Connects directly to the factory dual tailpipes for a simple installation
- Large 3.00-inch Mandrel bent pipes for superior flow and power
- Flowmaster Flow FX series muffler offers increased performance
- Flow FX straight through design offers a deep powerful sound
- Max power gains of 18 hp and14 lb-ft at the rear wheels
- 409 stainless steel constuction for extra durability
- One (1) Year Limited Warranty
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2026 | Ford | F-150 | King Ranch |
| 2021-2026 | Ford | F-150 | Lariat |
| 2021-2023 | Ford | F-150 | Limited |
| 2021-2026 | Ford | F-150 | Platinum |
| 2021-2026 | Ford | F-150 | Police Responder |
| 2021-2026 | Ford | F-150 | SSV |
| 2024-2026 | Ford | F-150 | STX |
| 2021-2026 | Ford | F-150 | Tremor |
| 2021-2026 | Ford | F-150 | XL |
| 2021-2026 | Ford | F-150 | XLT |
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