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Flowmaster

Flowmaster Outlaw Axle-back Exhaust System

2018-2021 Mustang GT 5.0L Coupes & Convertibles without Factory Active Performance Exhaust Valves.

Part # 817806 Be the first to write a review
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The Flowmaster® Outlaw Axle-back exhaust system is specifically designed for the 2018-2021 Ford Mustang GT coupes and convertibles with the 5.0L engine. This system features a pair of race-proven Outlaw® Series mufflers for an aggressive exterior sound level with noticeable interior sound. The system utilizes 3.00-inch mandrel-bent 409S stainless steel tubing, utilizes the factory hanger locations for an easy installation, and is finished off with quad 4.00-inch black ceramic coated tips for an aggressive look that matches the attitude of the sound. This axle-back system retains the factory resonator mid-pipe. For more sound and power, check out our Scavenger® Series no resonator X-Pipe kit part #817817. This system is designed for vehicles without active exhaust valves and includes all the necessary parts, hardware and installation instructions.

Features:

  • Large 4.00-inch Black Ceramic Coated Tips
  • Aggressive Race-proven Outlaw Mufflers
  • Dyno-tuned for Maximum Performance
  • Full Stainless Steel Construction
  • Uses Factory Hanger Locations
  • Lifetime Limited Warranty
  • Easy Installation

About Flowmaster

Flowmaster® is a household name, and for good reason. They've built legendary exhaust systems and mufflers for decades, and now offer performance air intakes, catalytic converters, and headers to give your hot rod performance to match the iconic Flowmaster sound.

Brand Flowmaster
Catalytic Converter IncludedNo
Emission Code5
Exhaust SeriesOutlaw
Exit PositionDual Out Rear
Heat ShieldNo
Material409 Stainless Steel
Mount TypeUses Factory Hangers
Muffler Body Length (in)6.5
Muffler ColorBlack
Muffler FinishPainted
Muffler Inlet Diameter (in)3
Muffler Inlet LocationCentered
Muffler Material409S Stainless Steel
Muffler Outlet Diameter (in)3
Muffler Outlet LocationCentered
Muffler Overall Length (in)49.5
Muffler Part NumberKit Only
Muffler Quantity2
Muffler SeriesOutlaw
Muffler ShapeRound
Muffler TypeReflection
Product TypeExhaust System
Single DualDual
Sound LevelAggressive
System TypeAxle-back
Tip CutAngle
Tip Diameter (in)4
Tip Edge StyleCut
Tip FinishBlack Ceramic
Tip Length (in)5.25
Tip LogoEmbossed
Tip Material304 Stainless
Tip Quantity4
Tip ShapeRound
Tubing Diameter (in)3
Tubing Material409S Stainless Steel
UPC700042037612
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 Chemical Name 1Nickel
California Proposition 65 Chemical Name 2Chromium
California Proposition 65 RequiredYes
Part Number817806
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.

Fits 2018-2021 Mustang GT 5.0L Coupes & Convertibles without Factory Active Performance Exhaust Valves.
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