817819 American Thunder Cat-Back Exhaust System 2018 Jeep Wrangler JL 2-Door/4-Door 3.6L DOR w/Black Ceramic Coated Tips

Vehicle Info Needed

FLOWMASTERPART NUMBER: 389-817819

817819 American Thunder Cat-Back Exhaust System 2018 Jeep Wrangler JL 2-Door/4-Door 3.6L DOR w/Black Ceramic Coated Tips

Name: 817819 American Thunder Cat-Back Exhaust System 2018 Jeep Wrangler JL 2-Door/4-Door 3.6L DOR w/Black Ceramic Coated Tips
Brand: FLOWMASTER
SKU: 389-817819
Price: 1117.95 USD
Availability: InStock

^$1,117⁹⁵

Ships on 11/03/2026

Lowest Price Guarantee

Jeep

2018 Jeep Wrangler JL 2-Door/4-Door 3.6L
2.500 in. 409S Stainless Steel Tubing
4 in. Black Ceramic Coated 304 Stainless Tips
Dual Rear Exit

2018 Jeep Wrangler JL 2/4-Door 3.6L American Thunder Cat-Back Exhaust System delivers a moderate interior to aggressive exterior sound. This DOR cat-back system contains mandrel-bent 409S stainless steel tubing and black ceramic 304 stainless steel exhaust tips.

The Classic Sound of Flowmaster

Flowmaster American Thunder Exhaust Systems for Truck/SUVs are ideal for the one looking for a moderate-to-aggressive exhaust tone, inside and out. The mufflers are tuned to deliver more power, torque, throttle response, and mileage. With easy fitment in mind, each system has mandrel-bent tubing for maximum performance and flow; and includes all necessary parts and hardware for installation.

Part TypeExhaust System

Product LineFlowmaster American Thunder Exhaust Systems for Truck/SUV

BrandFLOWMASTER

Package Height12.0

Package Width34.0

Package Length34.0

Weight12.0 PG

Muffler Inlet Inside Diameter2.50 in.

Hangers IncludedYes

Main Piping Diameter2.50 in.

Tail Pipe QuantityDual

Inlet TypeClamp-On

Exhaust Tip Material304 Stainless Steel

Catalytic Converter Quantity0

Muffler Body Length15 in.

Sound LevelAggressive / Moderate

Muffler Body Material409 Stainless Steel

Exhaust Tip CutAngled

Gasket Or Seal IncludedNo

Exhaust Tip IntercooledNo

Pipe ColorSilver

Muffler Quantity1

Muffler Inlet Outside Diameter2.63 in.

Muffler Flanged OutletNo

Exhaust Tip ResonatedNo

Muffler Outlet LocationDual

Catalytic Converter IncludedNo

Heat Shield IncludedNo

Part CategoryPerformance Parts

Exhaust Tip WallDouble Wall

Exhaust Tip Quantity2

Muffler Inlet LocationOffset

Exhaust Tip FinishBlack Ceramic Coating

Exhaust Tip EdgeAngle Cut

Valve IncludedNo

Muffler TypeReflection

Pipe Material409 Stainless Steel

Muffler Body Width9.50 in.

Tail Pipe Tapered OutletNo

Muffler Body ShapeOval

Mounting Bracket IncludedNo

Muffler Outlet Quantity2

Muffler FinishBlack High-Temperature Paint Finish

Mount TypeUses Factory Hangers

Clamps IncludedYes

FinishNatural

Exit StyleDual Out Rear

Muffler Body Height4 in.

Clamping TypeFlat Band

Muffler Flanged InletNo

Spring Bolt Kit IncludedNo

Muffler Series80 Series Crossflow

Muffler IncludedYes

Exhaust Tip ConnectionWelded

Tail Pipe Outlet Outside Diameter2.50 in.

Jeep Jl1

Valve TypeNot Applicable

Exhaust Tip Diameter4 in.

Part FitmentDirect Fit

Vendor Part Number817819

Package Qty1

Package TypeEA

Please click here to download the instructions PDF file

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Some parts are not legal for use in California or other states with similar laws / regulations

817819 American Thunder Cat-Back Exhaust System 2018 Jeep Wrangler JL 2-Door/4-Door 3.6L DOR w/Black Ceramic Coated Tips

The Classic Sound of Flowmaster

Items You Need

63-1566 63 Series AirCharger High-Flow Intake Kit 2018 Jeep Wrangler JK 3.6L, 2017-2012 Jeep Wrangler 3.6L

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63 Series AirCharger High-Flow Intake Kit

Part Number : 599-63-1573

63-1566 63 Series AirCharger High-Flow Intake Kit 2018 Jeep Wrangler JK 3.6L, 2017-2012 Jeep Wrangler 3.6L

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Axle-Back Exhaust System With S-Type Muffler for 2018 Jeep Wrangler JL/JLU 3.6L V6 - Black Tips

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