Flowmaster 817800 Cat-back System 2018 Mustang 5.0L Outlaw

SKU: 817800
Fits 2018 and 2019 Mustang GT with 5.0L V8 Engine. Fits Vehicles With Active Performance Exhaust Option
Price: $1,549.95
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Verify This Part Fits Your Vehicle

Note 1: Fits vehicles with Active Performance Exhaust option only.


Flowmaster's Outlaw Cat-back exhaust system for the 2018 and 2019 Ford Mustang GT with the Active Performance Exhaust is perfect for the person looking for a very aggressive exhaust tone inside and outside the vehicle, with all of the performance benefits that you would expect from Flowmaster. This easy to bolt-on emissions-legal system for the 5.0L V8 features a pair of 409S stainless steel Outlaw Series mufflers with 3.00 inch stainless steel mandrel bent pipes and scavenger x-pipe. The system finishes off with Quad 4.00 inch black ceramic coated tips. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, this system includes all necessary parts and hardware for installation.

  • 409S Stainless Steel Construction
  • Flowmaster Reliability
  • Dyno-Tuned for Maximum Performance
  • Moderate/Aggressive Sound
Exhaust SeriesOutlawSound LevelModerate/Aggressive
Mount TypeUses factory hangersTubing Diameter (in)3
Muffler Series60 SeriesMuffler Overall Length (in)49.5
Muffler ShapeOvalMuffler FinishPainted
Muffler Quantity2Muffler Outlet Diameter (in)3
Muffler Outlet LocationDualTip ShapeRound
Tip FinishBlack CeramicTip CutAngle
Tip Diameter (in)4Tip Quantity4
Catalytic Converter IncludedNoSystem TypeCat-back
Single DualDualExit PositionDOR
Tubing Material409S Stainless SteelMuffler Part NumberKit Only
Muffler TypeReflectionMuffler Body Length (in)11
Muffler Material409S Stainless SteelMuffler ColorBlack
Muffler Inlet Diameter (in)3Muffler Inlet LocationSide
Tip StyleDouble wallTip Material304 Stainless
Tip LogoEmbossedTip Edge StyleRolled
Tip Length (in)5.25Heat ShieldNo
 California Proposition 65 Information

WARNING: This product can expose you to chemicals including lead and chromium (hexavalent compounds) which are known to the State of California to cause cancer and birth defects, or other reproductive harm (For more information go to www.p65warnings.ca.gov)


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