2021-2025
2015-2020
2009-2014
2004-2008
1997-2003
Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
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Flowmaster American Thunder Dual Exhaust System; Side/Rear Exit (15-20 3.5L EcoBoost F-150, Excluding Raptor & 19-20 F-150 Limited)Find parts that fit my vehicle
Item T527020B
$896.36
245 Reviews
On Sale
-10% $896.36 Was $995.95
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Aggressive Flowmaster 40-Series Delta Flow Sound
- Durable 409 Stainless Steel Construction
- 3 in. Inlet, Dual 2.5 in. Outlet Mandrel-Bent Tubing
- 3.5 in. Polished Stainless Steel Tips
- Simple Bolt-On Installation
- Choice of Side or Rear Exit
- Made in the USA
- Fits 2015-2020 3.5L EcoBoost F-150s, Excluding High Output 3.5L EcoBoost Models
- Not Compatible on Regular Cabs with a 6.5 ft. Bed
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Chrome, Polished |
| Exhaust Tubing Diameter | 2.50 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Dual |
| Exhaust Exit Location | Both Sides or Rear - After Tire |
| Exhaust Loudness | Moderate |
Description
Thunderous Flowmaster Roar. Feel the Flowmaster’s signature sound as it revs up to Number One! AmericanMuscle’s American Thunder Cat-Back Exhaust powers up your truck’s exhaust flow with its mandrel bent tubing. Its Delta Flow Muffler gives it an incontestable presence with its fierce exhaust note sending shivers with every rumble.
Peak Performance Designed. The Flowmaster American Thunder Cat-Back Exhaust’s 3.5-inch polished stainless-steel tips are hard-wearing and long-lasting. The Delta Flow American Thunder muffler has good looks and the guts to match, thundering louder than its competition. The embossed “Flowmaster” logo certifies it the powerhouse system you can count on.
Proudly American-Made. The Flowmaster American Thunder Cat-Back Exhaust’s outshines with its unbeatable 16-guage 409 stainless-steel Delta Flow muffler sound and tough 3-inch inlets and dual 2.5-in outlet Mandrel-bent tube pushes your turbo-charged 3.5L EcoBoost F-150 power beyond the max.
Effortless Bolt-On Installation. The Flowmaster American Thunder Cat-Back Exhaust is a direct upgrade replacement for the stock F-150 system. It is compatible with 2015-2020 3.5L EcoBoost F-150. All hardware necessary is included in this generous kit. Only basic hand tools are required for easy installation. No extra modifications will be needed to your F-150 except in some cab and bed sizes. Some minor cutting to pipping might apply in the latter cases.
Application.This Flowmaster American Thunder Cat-Back Exhaust System is designed to fit the 2015 to 2020 3.5L EcoBoost F-150s, excluding models with the High Output 3.5L EcoBoost V6 engine.
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Fitment:
DetailsFlowmaster 817725
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Inlet Pipe
- (1) Adapter/Extension Pipe
- (1) Muffler
- (1) Right Tailpipe
- (1) Left Tailpipe - Front
- (1) Left Tailpipe - Rear
- (2) Side Exit Pipes
- (2) Rear Exit Pipes
- (2) Stainless Tip
- Hardware Kit
Tech Guides:
4.6
Customer Reviews (245)
Questions & Answers
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Will It Fit My F-150
- 3.5L V6 EcoBoost - 15, 16, 17, 18, 19, 20
