Flowmaster · New

Flowmaster 18-23 Mustang 5.0L American Thunder Axle-Back Exhaust System (No Valves)

Name: Flowmaster 18-23 Mustang 5.0L American Thunder Axle-Back Exhaust System (No Valves)
Brand: Flowmaster
SKU: flo817807
Price: 1406.95 USD

MPN 817807 · Store SKU flo817807

$1,406.95

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Supplier stock checked 11/8/2026, 3:12:27 AM 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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Product details

The Flowmaster American Thunder® Axle-back exhaust system for the 2018-2023 Ford Mustang GT with the 5.0L engine is perfect for the person looking for an aggressive exterior sound level with all of the performance benefits that you would expect from Flowmaster®. This bolt-on 409S stainless steel system features 3.00-inch mandrel-bent tubing and two Super 44® series mufflers for maximum power and exterior sound quality, but with a moderate and pleasant interior tone at cruising speeds. The system is finished off with quad 4.00-inch polished 304 stainless steel tips. This system includes all necessary parts, hardware and instructions for an easy installation. NOTE: This kit will not fit vehicles with the Active Performance Exhaust option. Note: Fits Coupes & Convertibles. Fits 2018-2023 Mustang GT 5.0L without Factory Active Performance Exhaust Valves. - Aggressive to moderate sound Flowmaster American Thunder Axle-back Exhaust System

Manufacturer fitment & guides

Check 817807 against the manufacturer’s application information below.

Part-specific notes

California Proposition 65: Y

Manufacturer documents

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