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Fitment

YearMakeModelSub Model
2021-2025FordF-150King Ranch
2021-2025FordF-150Lariat
2021-2023FordF-150Limited
2021-2025FordF-150Platinum
2021-2025FordF-150Police Responder
2021-2025FordF-150SSV
2021-2025FordF-150Tremor
2021-2025FordF-150XL
2021-2025FordF-150XLT
2024-2025FordF-150STX

Quick Specs

  • Country of Origin: USA
  • Sold As: Kit
  • Availability: Available
  • Exhaust Type: Cat Back
  • Exit Style: Dual Out Side Dual Out Rear
  • Mount Style: Clamp-On
  • Shape: Oval
  • Part Number : 817979

Important Notes

ATTENTION STATE OF CALIFORNIA CONSUMERS

WARNING: Cancer and reproductive harm –

American Thunder Cat-Back Exhaust System Fits 2021-2025 Ford F-150 2.7L, 3.5L, 5.0L. American Thunder, Cat-Back, Dual Exit Stainless Steel Exhaust System Flowmaster

Fits 2021-2025 Ford F-150 King Ranch Lariat 2021-2023 Limited Platinum Police Responder SSV Tremor XL XLT 2024-2025 STX
4.9257075471698 848 5
98.514150943396%
4.9/5 out of 848 Company Reviews. Rating:
American Thunder Cat-Back Exhaust System Fits 2021-2025 Ford F-150 2.7L, 3.5L, 5.0L. American Thunder, Cat-Back, Dual Exit Stainless Steel Exhaust System Flowmaster
999.95In stock
Fits 2021-2025 Ford F-150 King Ranch Lariat 2021-2023 Limited Platinum Police Responder SSV Tremor XL XLT 2024-2025 STX
  • Brand : Flowmaster
  • SKU : 817979-BDXN
  • Part Number : 817979
$999.95

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Product Details

Flowmaster introduces our new American Thunder stainless steel cat-back exhaust system for the 2021-2025 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.

  • Includes Both Rear and Side Exit Tailpipes so the Final Look can be Customized
  • Super 40 Series Performance Muffler Delivers a Deep and Aggressive Performance Tone
  • Uses the Factory Hanger Locations for an Easy Installation
  • Clears the Factory Spare Tire
  • Stainless Steel Construction adds Durability
  • 3.50-Inch Polished Stainless Steel Tips add a Classic Performance Look
  • Delta Flow Technology Increases Performance and Reduces Drone
  • Mandrel-bent Tubing Maximizes Exhaust Flow
  • Maximum Dyno Gains of 11 HP and 10 LB.FT. at the Rear Wheels
  • Lifetime Limited Warranty
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