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2018-20 Jeep Wrangler JL 2.0L, 3.6L - Outlaw Axle-back Exhaust Systems 817803 & 817840YouTube Button

Flowmaster Outlaw Axle-back Exhaust System

2018-2021 Jeep Wrangler JL with the 2.0L, 3.6L engines. Fits both 2/4 Door models.

PART# 817840

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$574.00   Suggested Retail
$515.95   Your Price
Estimated shipping date: 03/15/2021
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Aggressive to moderate sound


Our new Outlaw® Axle-back exhaust system for the 2018-2021 Jeep Wrangler JL with the 2.0L/3.6L is perfect for the person looking for an aggressive exterior sound with a moderate interior tone with all of the performance benefits that you would expect from Flowmaster®. This bolt-on emissions-legal system fits both 2/4 door models, features full stainless steel construction, uses the factory hanger locations and has a specially designed Outlaw Series muffler with dual 2.50-inch mandrel-bent tailpipes. The system is finished off with a pair of large 4.00-inch polished stainless steel tips embossed with the Flowmaster logo and exit out under the rear bumper. Covered by Flowmaster's Lifetime Limited Warranty and designed for a perfect fit, the kit includes all necessary parts and hardware for easy installation you can do at home.


  • Large 4.00-inch Polished Stainless Steel Tips
  • Uses the Factory Hanger Locations
  • Full Stainless Steel Construction
  • Flowmaster Quality & Durability
  • Race-proven Outlaw Muffler
  • Dual Exit Tailpipes
  • Easy Installation


Catalytic Converter IncludedNo
Emission Code5
Exhaust SeriesOutlaw
Exit PositionDual Out Rear
Heat ShieldNo
Material409 Stainless Steel
Mount TypeUses Factory Hangers
Muffler Body Length (in)5.5
Muffler ColorBlack
Muffler FinishPainted
Muffler Inlet Diameter (in)2.5
Muffler Inlet LocationBody Side
Muffler Material409S Stainless Steel
Muffler Outlet Diameter (in)2.5
Muffler Outlet LocationDual Outlet
Muffler Overall Length (in)32
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesOutlaw
Muffler ShapeRound
Muffler TypeReflection
Product TypeExhaust System
Single DualDual
Sound LevelAggressive / Moderate
System TypeAxle-back
Tip CutAngle
Tip Diameter (in)4
Tip Edge StyleCut
Tip FinishPolished
Tip Length (in)5.25
Tip LogoEmbossed
Tip Material304 Stainless
Tip Quantity2
Tip ShapeRound
Tubing Diameter (in)2.5
Tubing Material409S Stainless Steel
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817840



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.

Tech Resources

Fits 2018-2021 Jeep Wrangler JL with the 2.0L, 3.6L engines. Fits both 2/4 Door models.


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