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Flowmaster 15-23 Mustang BASE SS Outlaw Axle-Back Exhaust System - Black

Flowmaster · New

Flowmaster 15-23 Mustang BASE SS Outlaw Axle-Back Exhaust System - Black

MPN 817823 · Store SKU flo817823

$1,068.95
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Supplier stock checked 11/8/2026, 3:41:06 AM UTC. Adding a part does not reserve it.

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Product details

The Outlaw® Axle-back exhaust system is specifically designed for all 2015-2023 Ford Mustang coupes and convertibles with the 2.3L Ecoboost or 3.7L engines. System features include large 3.00-inch mandrel-bent tubing flowing into a pair of race-proven Outlaw series mufflers for an aggressive exterior sound level, with a noticeable interior tone. Other features include a pair of large 4.00-inch black ceramic coated stainless steel tips for an aggressive look and the system uses the factory hangers for a quick and easy installation. The system includes all necessary parts, hardware, and instructions and is covered by our Flowmaster® Lifetime Limited Warranty. Note: Fits both Coupes and Convertibles. Fits 2015-2023 Ford Mustang, 2.3L Ecoboost & 3.7L. Both Coupes and Convertible - Aggressive sound Flowmaster Outlaw Axle-back Exhaust System

Manufacturer fitment & guides

Check 817823 against the manufacturer’s application information below.

Part-specific notes

  • California Proposition 65: Y

Manufacturer documents

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