Fits 2021-2025 Ford F-150 with 3.5-liter PowerBoost Hybrid engine
This Flowmaster® American Thunder cat-back exhaust system is for the 2021-2025 Ford F-150 with the 3.5-liter PowerBoost. This system is manufactured using durable 409 stainless steel tubing and is mandrel bent for better exhaust gas flow. A specially tuned resonator is used for a deep, moderate to mild sound level and maximum performance. This system uses a 5.00-inch black ceramic coated stainless steel tip for added style. This system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.
  • 3.00-inch and 3.5-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
  • A 5.00-inch black ceramic coated stainless steal tip add a custom look to the vehicle
  • Kit includes complete hardware and factory styled hangers in the stock locations for an easy installation
  • A specially tuned resonator delivers a deep, moderate to mild performance tone and improves exhaust flow
  • Lifetime Limited Warranty

Information:

Does not fit models with OEM active exhaust option.

Application Summary:

Year Make/Model
2021-2025 Ford F-150
Attributes
Brand Flowmaster
CARB (California) Compliant Yes
California Proposition 65 Yes
Catalytic Converter Included No
Catalytic Converter Quantity Not Included
Category Exhaust, Exhaust
Clamping Type Flat Band, Flat Band
Clamps Included Yes, Yes
Country of Origin (Primary) US
Emission Code 5, 5
Exhaust Series American Thunder, American Thunder
Exhaust System Kit Type Cat-Back
Exhaust Tip Diameter 5.00, 5.00
Exhaust Tip Finish Black Ceramic Coating, Black Ceramic Coating
Exhaust Tip Material 304 Stainless Steel, 304 Stainless Steel
Exhaust Tip Quantity 1, 1
Exit Position Dual Out Side
Finish Natural, Natural
GTIN 00090127844762
Gasket Or Seal Included No, No
Grade Type Performance, Performance
Hangers Included Yes, Yes
Harmonized Tariff Code (Schedule B) 8708925000
Hazardous Material Code N
Heat Shield No
Heat Shield Included No, No
Inlet Type Clamp-On, Clamp-On
Life Cycle Status Code Available to Order
Material 409 Stainless Steel
Mounting Bracket Included No, No
Muffler Body Length 15.00, 15.00
Muffler Body Material 409 Stainless Steel, 409 Stainless Steel
Muffler Body Shape Oval, Oval
Muffler Flanged Inlet No, No
Muffler Flanged Outlet No, No
Muffler Included Yes
Muffler Inlet Inside Diameter 3.00, 3.00
Muffler Inlet Outside Diameter 3.13, 3.13
Muffler Outlet Quantity 1, 1
Muffler Quantity 1, 1
Muffler Type Chambered, Chambered
Pipe Color Silver, Silver
Pipe Material 409 Stainless Steel, 409 Stainless Steel
SDR Required Flag N
Sound Level Moderate/Mild, Moderate/Mild
Spring Bolt Kit Included No, No
Sub Category Exhaust and Tail Pipes, Exhaust and Tail Pipes
Tail Pipe Outlet Outside Diameter 3.50, 3.50
Tail Pipe Quantity 1, 1
Tail Pipe Tapered Outlet No, No
Tip Shape Round
Type Cat-Back, Cat-Back
Valve Included No, No
Valve Type Not Applicable, Not Applicable
Warning California Proposition 65, California Proposition 65
part type Exhaust System Kit, Exhaust System

Flowmaster 818166 Flowmaster American Thunder Cat-Back Exhaust System

Product Information

  • Brand: Flowmaster
  • Product Number: 818166
  • Availability: Call for Availability

Vehicle Fitment

Top Categories

Tonneau Covers

Bed Covers

Protect your cargo with premium tonneau covers. Choose from hard tri-folds, roll-ups, retractables, or one-piece styles.

Shop Bed Covers
Toolboxes

Tool Boxes

Keep your gear safe and dry with top brands like CamLocker, UWS, WeatherGuard, DECKED, and Better Built.

Shop Tool Boxes
Bumpers and Grille Guards

Bumpers & Grille Guards

Turn your truck into a beast with Ranch Hand, Fab Fours, WARN, GoRhino, and Westin bumpers and guards.

Shop Bumpers
Running Boards and Step bars

Steps & Running Boards

From simple step bars to trail-ready rocker protection and powered running boards - we've got it all.

Shop Steps
Spray-on Bed Liners

Spray On Bed Liner

Ultimate protection from weather, rust, and corrosion. Professional installation backed by lifetime warranty!

Shop Bed Liners
Towing Products

Towing Products

Complete towing solutions from B&W, Curt, SuperSprings, and Air Lift. Hitches, controllers, and more.

Shop Towing
Suspension

Suspension

Lift or level your truck with Rough Country, BDS, ReadyLift, and more. Professional installation available.

Shop Suspension
Wheels and Tires

Wheels & Tires

Complete your makeover with Fuel Off-Road, Nitto, Toyo, BFGoodrich, MotoMetal, and more!

Shop Wheels
Lighting

Lighting

LED light bars, headlights, and ground effects from RIGID, Race Sport, Putco, and Rough Country.

Shop Lighting

About H&H Truck & Outdoor

For over 35 years, H&H Truck and Outdoor has served the southeast as the premier destination for truck and Jeep owners. We built our great reputation by offering the best accessory brands and providing top-notch service.

Our 23 store locations are staffed with experienced salespeople and installers - ready to help you build your dream ride. Come see us!

Find Locations

Featured Brands

B&W Towing Bullet Liner CamLocker Amp Research Curt Extang Decked Lomax Ranch Hand Retrax WeatherTech Roll N Lock Undercover N-Fab CargoGlide Bed Rug AVS BDS Suspension

What Our Customers Are Saying