Flowmaster · New
Flowmaster 99-04 Ford F-150 Lightning American Thunder Cat-Back Exhaust System
MPN 17367 · Store SKU flo17367
Supplier stock checked 11/8/2026, 10:44:34 AM UTC. Adding a part does not reserve it.
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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 aggressive look of a NASCAR race truck along with all the benefits that a Flowmaster Cat-back exhaust system provides. D.O.S.S. (Dual out same side) systems are the perfect choice. This American Thunder system features a Super 50 Series performance muffler that delivers a moderately aggressive exterior sound with a moderate interior tone, which is suited to the enthusiast who wants their performance to be heard. The dual 2.50-inch mandrel-bent tailpipes exit in front of the right side rear tire and are finished off with dual 3.00-inch polished stainless steel tips. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, the system includes all necessary parts and hardware for easy installation and is covered by our 3-year Limited Warranty. 1999-2004 Ford Lightning with 5.4L Supercharged engine. Fits 2/4 wheel drive. - Aggressive to moderate sound Flowmaster American Thunder Cat-back Exhaust System
Manufacturer fitment & guides
Check 17367 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
