Flowmaster · New
Flowmaster 22-25 Toyota Tundra 3.4L Outlaw Extreme Cat-Back Exhaust System
MPN 818138 · Store SKU flo818138
Supplier stock checked 11/7/2026, 9:31:37 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
This Flowmaster® Outlaw Extreme cat-back exhaust system for the 2022-2026 Toyota Tundra with the 3.4-liter engine is manufactured using durable 409 stainless steel throughout and features 3.0-inch mandrel bent pipes for better exhaust gas flow. A race inspired Outlaw series muffler is used for maximum performance and delivers an aggressive sound inside and out. This system exits under the truck with a dump style turn down tip for added style and better ground clearance when driving off-road. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty. Fits 2022-2026 Toyota Tundra 3.4-Liter, Cat-Back, Single Out Dump Exit, Outlaw Extreme Stainless Steel Exhaust System Flowmaster Outlaw Extreme Cat-Back Exhaust System
Manufacturer fitment & guides
Check 818138 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
