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Flowmaster 818131 American Thunder Cat-Back Exhaust System

(2021-2023 Jeep Gladiator)

Manufacturer

Part Number

818131
Sale Price

$184.95

In Stock (10+)

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Usually delivered within 2 days

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FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Flowmaster 818131 American Thunder Cat-Back Exhaust System delivers enhanced performance and an aggressive exhaust note for your truck. This complete bolt-on exhaust system is engineered to maximize exhaust flow while maintaining the durability and quality Flowmaster is known for.

Performance Features:

  • Maximum dyno-proven gains of 3 horsepower and 5 lb-ft of torque at the rear wheels
  • 3.00-inch mandrel-bent tubing constructed from 16-gauge 409 stainless steel for optimized exhaust flow and long-lasting durability
  • Engineered to reduce backpressure and improve throttle response

Installation and Styling:

  • 3.00-inch polished stainless steel tip provides a custom appearance
  • Complete hardware kit and factory-styled hangers included for straightforward installation in stock mounting locations
  • Direct bolt-on design for hassle-free fitment

This American Thunder series exhaust system combines proven performance improvements with Flowmaster's signature sound, making it an excellent upgrade for truck owners seeking both power gains and an enhanced exhaust tone.

Products specifications

Fits

2021-2023 Jeep Gladiator

Brand

Flowmaster

Prop 65

Yes

California Proposition 65 Chemical Name

Nickel (Metallic)

California Proposition 65 Chemical Name

Chromium (hexavalent compounds)

Catalytic Converter Quantity

0

Category

Exhaust

Clamping Type

Flat Band

Clamps Included

Yes

Emission Code

5

Exhaust Series

American Thunder

Exhaust Tip Color

Silver

Exhaust Tip Connection

Welded

Exhaust Tip Cut

Angled

Exhaust Tip Edge

Slash Cut

Exhaust Tip Finish

Polished

Exhaust Tip Intercooled

No

Exhaust Tip Length

4.75

Exhaust Tip Material

304 Stainless Steel

Exhaust Tip Quantity

1

Exhaust Tip Resonated

No

Exhaust Tip Shape

Round

Exhaust Tip Wall

Single Wall

Exit Style

Single Out Rear

Finish

Natural

Gasket Or Seal Included

No

Grade Type

Performance

Hangers Included

Yes

Inlet Type

Flanged

Mount Type

Uses Factory Hangers

Mounting Bracket Included

No

muffler part number

Kit Only

Muffler Quantity

0

Pipe Color

Silver

Pipe Material

409 Stainless Steel

Product Type

Exhaust System

Sound Level

Aggressive / Moderate

Spring Bolt Kit Included

No

Sub Category

Exhaust and Tail Pipes

Tail Pipe Quantity

1

Tail Pipe Quantity

Single

Tail Pipe Tapered Outlet

No

Tip Logo

Embossed

Tip Style

Single wall

Type

Tailpipe

Type

Cat-Back

Valve Included

No

Valve Type

Not Applicable

Warning

California Proposition 65

Best prices on the market for tires!

super fast and good service

Very satisfying and easygoing!

Purchase experience went very well. Will use them for future orders..

So far so good

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