Flowmaster · New
Flowmaster 21-25 F-150 Outlaw Cat-Back Exhaust System - Dual Tailpipe
MPN 818168 · Store SKU flo818168
Supplier stock checked 11/7/2026, 8:48:45 AM UTC. Adding a part does not reserve it.
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Product details
Flowmaster introduces our Outlaw cat-back exhaust system for the 2021-2026 Ford F-150 with the 2.7, 3.5, or 5.0-liter engine and factory dual exit exhaust. The exhaust kit fits PowerBoost and non-hybrid models. This system uses the Super 10 series muffler for an aggressive exhaust tone and increased performance. Maximum dyno gains of 18 hp and 15 lb-ft were measured at the rear wheels. 3.00-inch mandrel bent 409 stainless steel tubing is used to maximize exhaust flow and durability. Dual 4.50-inch black ceramic coated stainless steel tips are used to add a custom look to the truck. All the necessary hardware is included and factory mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty. Fits 2021-2026 Ford F150 2.7, 3.5 and 5.0-liter, PowerBoost and non-hybrid with Factory Dual Tailpipes, Outlaw Cat-Back 3.0-inch Stainless Steel Exhaust System, 4.50-inch Black Tips Flowmaster Outlaw Cat-Back Exhaust System
Manufacturer fitment & guides
Check 818168 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
