Flowmaster 817592 | Ford Mustang Exhaust System Kit

Part Number
Outlaw Series Axle Back Exhaust System| Dual| Dual Rear Exit| Incl. 3.0 in. Tubing/Outlaw Mufflers/4.0 in. Polished 304 Stainless Tips| 409 Stainless Steel

Fits: 13-14 Ford Mustang

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Outlaw exhaust systems feature the race developed and proven Outlaw mufflers for a very aggressive sound outside the vehicle with a moderate interior sound level. As an Axle-back exhaust, this direct bolt on Outlaw system is easily installed at home and will add the performance improvements you expect from Flowmaster. The 4.00 in. polished stainless tips provide a performance look, while a lifetime limited warranty provides assurance that this American made exhaust will last.

BRAND: Flowmaster


  • Dual Out Rear Exit
  • Incl. Hangers and Hardware For Easy Installation
  • Fits 2013 to 2014 Ford Mustang GT with a 5.0L V8 engine| including coupe and convertibles
  • Outlaw Series™ Axle Back Exhaust System| Dual| Dual Rear Exit| Incl. 3.0 in. Tubing/Outlaw™ Mufflers/4.0 in. Polished 304 Stainless Tips| 409S Stainless Steel|
  • Aggressive And Powerful Exterior Exhaust Tone
  • Limited Lifetime Warranty
  • Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles| Uncontrolled (Non-Emissions Controlled) Vehicles| and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
  • Dyno Tuned for Maximum Performance
  • Mandrel Bent 16ga 409 Stainless Tubing
  • Exhaust System Kit
  • Outlaw Series™ Axle Back Exhaust System
  • Axle Back System
  • Premium Flowmaster Quality
  • Axle-back 409S 2013 Mustang GT OTL
  • 2013| 2014| mustang| gt| flowmaster hushpower magnaflow borla cherry bomb dynotech dynomax glasspack motorsport motorsports chambered muffler stainless performance upgrade power sound torque exhaust kit tuned technology engineering muscle streetrod hotrod


California Proposition 65 Chemical Name 1Nickel (metallic)
California Proposition 65 Chemical Name 2Chromium (hexavalent compounds)
Exhaust SeriesOutlaw
Exhaust TypeDual
Exit PositionDual Rear
Exit StyleStraight
Heat Shield AttachedNo
Inlet Diameter2.750 in.
Inlet Inside Diameter3.000 in.
MaterialStainless Steel
Muffler Count2
Muffler Part NumberKit Only
Muffler SeriesOutlaw
Outlet Diameter3.000 in.
Outlet Outside Diameter4.000 in.
Single or DualDual
Sound LevelAggressive
System TypeAxle Back
Tail Pipe Diameter3.000 in.
Tip Diameter4.000 in.
Tip Quantity2
TitleFlowmaster 817592 Axle-back System 409S - Dual Rear Exit - Outlaw - Aggressive Sound
Tubing Diameter3.000 in.
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Dual| Dual Rear Exit| Incl. 3.0 in. Tubing/Outlaw(TM) Mufflers/4.0 in. Polished 304 Stainless Tips| 409S Stainless Steel|50 State Legal / California Emissions Compliant



    • Flowmaster: 817516
    • MagnaFlow Exhaust Products: 15594
    • Borla: 11791
    • MagnaFlow Exhaust Products: 15152


    • 2013-2014 Ford Mustang
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