Flowmaster · New
Flowmaster 11-14 F150 V6 ECO Force II Cat-Back SS Exhaust System
MPN 817539 · Store SKU flo817539
Supplier stock checked 11/8/2026, 6:16:11 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
For the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster® Cat-back exhaust system provides, our Force II® systems are the perfect choice. This system includes tailpipes for both dual out the rear and dual out the side (recommended for towing applications) so you can choose the one that fits your lifestyle. Force II systems deliver a moderate exterior tone and moderate to mild interior tone, and are suited to customers looking for efficiency improvements without a lot of noise. This system includes a specially designed stainless steel PRO™ series oval case muffler, all mandrel-bent stainless steel tubing and uses the factory hanger locations for an easy hassle free installation you can do at home. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, this system includes all necessary parts and hardware for easy installation. 2011-2014 Ford F-150 with 3.5L Ecoboost, fits all wheelbases. - Moderate to mild sound Flowmaster Force II Cat-back Exhaust System
Manufacturer fitment & guides
Check 817539 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
