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Flowmaster Outlaw Cat-Back Exhaust System (15-17 Mustang GT Fastback)Find parts that fit my vehicle

Item 387145
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Review & Install - Flowmaster Outlaw Cat-Back Exhaust System Video   See All Product Videos (1)
$1,213.95
244 Reviews | 15 Answers
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-10% $1,213.95 Was $1,349.95

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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features & Specs

      • Super Aggressive Flowmaster Outlaw Sound
      • Durable 409 Stainless Steel Construction
      • 3" Mandrel-Bent Tubing
      • 4" Polished Stainless Steel Tips
      • Includes X-Pipe and Two Flowmaster Outlaw Mufflers
      • Fits 2015-2017 GT Fastback Mustangs

      Description

      Super Aggressive Flowmaster Sound. Give your coyote powered S550 Mustang Fastback that unmistakable Flowmaster sound with the Outlaw Series Cat-Back exhaust system from AmericanMuscle. This system improves exhaust flow using Flowmaster's race-oriented style Outlaw mufflers for that super, aggressive exhaust note your high powered Pony deserves.

      Race Car Growl. The included X-Pipe not only helps increase power, but it also adds a loud raspy, race car growl to the sound of your exhaust with its modern "X" crossover pipe design.

      Stainless Steel Construction. Constructed from durable 3" 16 gauge 409 stainless steel tubing for it's corrosion resistant properties the Flowmaster Outlaw Cat-Back features two race-oriented mufflers with massive 4.0" diameter polished stainless steel tips for impressive muscle car looks and sound. As an added bonus, the tips are embossed with the "Flowmaster" logo for true custom styling.

      Application. This Flowmaster Outlaw Series Cat-Back exhaust system is designed to fit the 2015-2017 GT Fastback Mustangs equipped with the coyote 5.0L DOHC V8 engine. Not compatible with convertibles. Reuses the stock hangers for installation.

      Flowmaster 817734

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • 1 Scavenger Assembly - Part # 26513S
      • 1 Left Mid Pipe - Part # 26514S
      • 1 Right Mid Pipe - Part # 26515S
      • 1 Left Muffler Assembly - Part # 815430-386
      • 1 Right Muffler Assembly - Part # 815430-387
      • 1 Hardware Pack - Part # PK796
      • 4 3” Clamp - Part # MC300BS

      4.7

      Customer Reviews (244)

      Questions & Answers (15)

      Will It Fit My Mustang

      • GT - 15, 16, 17

      Not compatible with Convertibles due to different bracing

        WHEN LOOKS TURN HEADS, LET SOUND STOP HEARTS.

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