2015-2017 Ford Mustang Cat-back Exhaust System Flowmaster Outlaw 817734

  • $1,108.95
    Unit price per 

The Flowmaster Outlaw Cat-back exhaust system for 2015-2017 Ford Mustang GT with 5.0L engine is perfect for the person looking for a deep and very aggressive sound level inside and outside the car. This bolt-on emissions-legal system features our exclusive dual 3.00-inch Scavenger Series X-pipe for maximum power and a deep unique sound. The stainless steel X-pipe flows into a pair of our race proven Outlaw Series mufflers and exits into dual mandrel-bent 3.00-inch stainless steel tailpipes which are finished off with large 4.00-inch polished stainless steel tips. The system is designed for an easy fit and includes all necessary parts and hardware for an easy installation you can do at home. Covered by our Lifetime Limited Warranty. Note: Does Not fit convertibles.


  • Includes our Exclusive Scavenger Series X-pipe
  • Very Aggressive Interior & Exterior Sound
  • Uses the Factory Hanger Locations
  • Dyno Tuned For Maximum Power
  • Race-proven Outlaw Mufflers
  • Stainless Steel Construction
  • Lifetime Limited Warranty


  • Fits 2015-2017 Ford Mustang GT 5.0L Coupes. Does not fit Convertibles
Brand Flowmaster
California Proposition 65 Chemical Name Chromium (hexavalent compounds)
California Proposition 65 Chemical Name Nickel (Metallic)
California Proposition 65 Required Yes
Catalytic Converter Included No
Color Black
Emission Code 5
Exhaust Series Outlaw
Exit Position Dual Out Rear
Heat Shield No
Inlet Diameter (in) 3
Material 409 Stainless Steel
Mount Type Flanged
Muffler Part Number Kit Only
Muffler Quantity 2
Muffler Series Outlaw
Muffler Type Welded Baffle
Outlet Diameter (in) 3
Product Type Exhaust System
Shape Round
Single Dual Dual
Sound Level Aggressive
System Type Cat-back
Tip Cut Angle
Tip Diameter (in) 4
Tip Edge Style Cut
Tip Finish Polished
Tip Length (in) 5.25
Tip Logo Embossed
Tip Material Stainless Steel
Tip Quantity 2
Tip Shape Round
Tubing Diameter (in) 3
Warning California Proposition 65