Exhaust Exhaust Pipes, Systems and Components

Flowmaster

American Thunder Axle-Back Exhaust System Fits 2018-2023 Mustang Gt 5.0L Without Factory Active Performance Exhaust Valves Aggressive To Moderate Sound Flowmaster

$1,573.84

SKU: F00L 817807

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

Part #: 817807

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.Quad 4.00-inch Polished 304 Stainless Steel TipsDyno-Tuned for Maximum PerformanceUses the Factory Hanger Locations409S Stainless Steel ConstructionModerate/Aggressive SoundLifetime Limited WarrantyFlowmaster QualityEasy Installation

Features:

  • Quad 4.00-inch Polished 304 Stainless Steel Tips
  • Mandrel Bent Tubing
  • Dyno-Tuned for Maximum Performance
  • Limited Lifetime Warranty
  • Uses the Factory Hanger Locations
  • Aggressive Exterior Exhaust Tone
  • 409S Stainless Steel Construction
  • Dyno Tuned for Maximum Performance
  • Moderate/Aggressive Sound
  • Premium Flowmaster Quality
  • Lifetime Limited Warranty
  • Made in the USA
  • Flowmaster Quality
  • Easy Installation

American Thunder Axle Back Exhaust System | Dual Rear Exit | Incl. 3.0 in. Tubing/Two Super 44 Series (TM) Mufflers/4.0 in. Quad Polished Tips | 409 Stainless Steel

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Fitment

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Specifications

BrandFlowmaster
Part NumberF00L 817807

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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