Flowmaster · New

Flowmaster 11-12 Mustang GT Outlaw SS Axle-Back Exhaust System

Name: Flowmaster 11-12 Mustang GT Outlaw SS Axle-Back Exhaust System
Brand: Flowmaster
SKU: flo817516
Price: 804.95 USD

MPN 817516 · Store SKU flo817516

$804.95

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Supplier stock checked 11/7/2026, 7:25:19 PM UTC. Adding a part does not reserve it.

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Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

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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 Outlaw® axle-back exhaust system is specifically designed for 2011-2012 Ford Mustang GT with the 5.0L engine and replaces the original rear mounted mufflers with factory style connections. With easy fit in mind, these 3.00-inch mandrel-bent exhaust systems include a pair of our race-proven Outlaw mufflers for an aggressive exterior and interior sound, and with the maximum amount of power gain possible from an axle-back system. The hangers use the factory locations and the system is finished off with a pair of 4.00-inch polished stainless steel tips embossed with the Flowmaster® name. Designed for an quick and easy installation, these systems include all necessary parts, hardware, detailed instructions and are covered by our Lifetime Limited Warranty. Notes: Also fits 2012 Ford Mustang Boss 302 models. 2011-2012 Ford Mustang GT 5.0L Coupes & Convertibles. Also fits 2012 Ford Mustang Boss 302. - Aggressive sound Flowmaster Outlaw Axle-back Exhaust System

Manufacturer fitment & guides

Check 817516 against the manufacturer’s application information below.

Part-specific notes

California Proposition 65: Y

Manufacturer documents

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What is the return policy?

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

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This policy does not limit rights required by law.

Flowmaster 11-12 Mustang GT Outlaw SS Axle-Back Exhaust System

Product details

Manufacturer fitment & guides

Part-specific notes

Manufacturer documents

THE NEXT PART
OF YOUR BUILD.

Free shipping on $100+ orders.

Build with the right brands.

Find your next upgrade.

Make the whole setup work.

A few things to know.

Your cart.

Freight & oversized shipping quote

Delivery address