Flowmaster · New
Flowmaster 09-14 Ford F150 V8 American Thunder SS Cat-Back Exhaust System
MPN 817522 · Store SKU flo817522
Supplier stock checked 11/8/2026, 3:12:27 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
Our American Thunder cat-back exhaust system for 2009-2014 Ford F-150 trucks is perfect for the person looking for a moderately aggressive sound levels both inside and outside of the truck with all of the performance benefits that you would expect from Flowmaster. This bolt-on DOR/DOS (dual out rear or dual out the side tailpipe exits) is emissions legal and fits trucks with the 4.6L, 5.0L and 5.4L engines. Features include all stainless steel mandrel-bent construction, a Super 40 Series muffler exiting into dual 2.50-inch mandrel-bent tailpipes for maximum performance and sound. The exhaust features large 3.50-inch polished stainless steel tips and the system is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for easy installation you can do at home. Note: Fits 2/4 wheel drive and all wheelbases. Fits 2009-2014 Ford F-150 with 4.6L, 5.0L or 5.4L engine, stainless steel - Aggressive to moderate sound Flowmaster American Thunder Cat-back Exhaust System
Manufacturer fitment & guides
Check 817522 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
