If you're in the market for a new exhaust system for your 2018-2019 Jeep Wrangler JL, look no further! The Flowmaster American Thunder® Catback exhaust system is designed specifically for both 2 and 4-door models with a 3.6L engine. This system strikes the perfect balance between a moderate to aggressive exterior tone while keeping the interior sound nice and mild. Plus, you can trust Flowmaster® to deliver the performance benefits you expect.
This easy-to-install, emissions-legal DOR (Dual Out Rear) system features a robust 2.50-inch mandrel bent stainless inlet pipe and a specially crafted stainless steel resonator that minimizes interior resonance. It also includes a stainless steel 80 Series™ cross-flow muffler and dual 2.50-inch mandrel bent tailpipes. To top it off, the system is finished with sleek dual 4.00-inch black ceramic coated Flowmaster stainless steel tips, giving your Jeep a modern and stealthy appearance. Everything you need for a hassle-free installation at home is included!
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Jeep Wrangler | 2018-2019 | Unlimited Moab |
| Jeep Wrangler | 2018-2022 | Unlimited Sport |
| Jeep Wrangler | 2018-2024 | Rubicon |
| Jeep Wrangler | 2018-2024 | Unlimited Rubicon |
| Jeep Wrangler | 2018-2024 | Sport S |
| Jeep Wrangler | 2018-2022 | Unlimited Sport S |
| Jeep Wrangler | 2018-2022 | Unlimited Sahara |
| Jeep Wrangler | 2018-2024 | Sport |
| Jeep Wrangler | 2019-2020 | Rubicon Deluxe |
| Jeep Wrangler | 2020 | Unlimited Rubicon Xtreme |
| Jeep Wrangler | 2020 | Unlimited Rubicon Deluxe |
| Jeep Wrangler | 2021 | 80th Anniversary |
| Jeep Wrangler | 2021 | Unlimited Islander |
| Jeep Wrangler | 2021-2024 | Willys |
| Jeep Wrangler | 2021-2022 | Unlimited High Altitude 4xe |
| Jeep Wrangler | 2021-2022 | Unlimited High Altitude |
| Jeep Wrangler | 2021-2022 | Unlimited Rubicon 4xe |
| Jeep Wrangler | 2021, 2023 | Freedom |
| Jeep Wrangler | 2021-2022 | Unlimited Sport Altitude |
| Jeep Wrangler | 2021-2022, 2024 | Unlimited Willys |
| Jeep Wrangler | 2021-2024 | Willys Sport |
| Jeep Wrangler | 2021-2022 | Unlimited Rubicon 392 |
| Jeep Wrangler | 2021-2022 | Unlimited Sahara High Altitude |
| Jeep Wrangler | 2021-2022 | Unlimited Sahara 4xe |
| Jeep Wrangler | 2021 | Islander |
| Jeep Wrangler | 2021-2022 | Unlimited Sahara Altitude |
| Jeep Wrangler | 2021 | Unlimited 80th Anniversary |
| Jeep Wrangler | 2021-2022 | Unlimited Willys Sport |
| Jeep Wrangler | 2021 | Unlimited Freedom |
| Jeep Wrangler | 2022 | Unlimited High Tide |
| Jeep Wrangler | 2022 | Unlimited Rubicon Tuscadero |
| Jeep Wrangler | 2023 | Sahara High Altitude |
| Jeep Wrangler | 2023-2024 | Rubicon 4xe |
| Jeep Wrangler | 2023 | High Tide |
| Jeep Wrangler | 2023-2024 | Willys 4xe |
| Jeep Wrangler | 2023-2024 | Rubicon 392 |
| Jeep Wrangler | 2023 | Sport Altitude |
| Jeep Wrangler | 2023 | Unlimited Rubicon Xtreme Sunrider |
| Jeep Wrangler | 2023-2024 | Sahara |
| Jeep Wrangler | 2023-2024 | Sahara 4xe |
| Jeep Wrangler | 2023 | Sahara Altitude |
| Jeep Wrangler | 2023-2024 | High Altitude 4xe |
| Jeep Wrangler | 2023 | High Altitude |
| Jeep Wrangler | 2024 | Rubicon X |
| Jeep Wrangler | 2024 | Rubicon X 4xe |
| Jeep Wrangler | 2024 | Sport S 4xe |
| Jeep Wrangler | 2024 | Rubicon 392 Final Edition |
| Jeep Wrangler JK | 2018 | Sahara |
| Jeep Wrangler JK | 2018 | Unlimited Sport |
| Jeep Wrangler JK | 2018 | Unlimited Sahara |
| Jeep Wrangler JK | 2018 | Unlimited Willys Wheeler |
| Jeep Wrangler JK | 2018 | Rubicon |
| Jeep Wrangler JK | 2018 | Sport S |
| Jeep Wrangler JK | 2018 | Sport |
| Jeep Wrangler JK | 2018 | Unlimited Sport S |
| Jeep Wrangler JK | 2018 | Unlimited Rubicon |

Flowmaster is an aftermarket company that was founded in 1983. The company specializes in manufacturing high-performance exhaust systems for various vehicles. This includes classic muscle cars, modern sedans, trucks, jeeps, off-road vehicles, and more.
It has since revolutionized the industry and has continued its tradition to produce high-quality exhaust parts. Today, Flowmaster has been the go-to brand of many car builders and enthusiasts worldwide and has been the market leader for years.
Pushing the Boundaries of Exhaust DesignFlowmaster has been the pioneer when it comes to developing mufflers. They produce mufflers that are quiet enough to be used legally on the streets but, at the same time, does not restrict the performance of the engine. This is why more and more people are choosing Flowmaster for their car builds as they can enjoy their vehicles on and off the streets.
An Exhaust For Any StyleThe company provides its customers with the ability to choose the type of muffler they want. They offer five sound categories of their exhaust system, from quiet and discrete to something more aggressive and gives that racy sound. They can also choose between 12 designs of chambered mufflers, including their exclusively-designed “laminar-flow” muffler or “straight-through.”They also have a custom-built exhaust system for that one-of car builds.
Passionate Development TeamFlowmaster is composed of people who have years of experience in developing quality exhaust systems. Using the knowledge they acquired over the years, they improved their designs and matched it with the ever-growing technological advancement of vehicles today.
Tried and TestedWith hundreds of installs under its belt, Flowmaster has proven itself to be a brand that delivers what it promised. In addition, all their exhaust systems are designed and dyno-tested, ensuring that they can maximize your vehicle’s performance once installed.
Purchase Flowmaster at Vivid RacingIf you are in the market for an upgrade in your vehicle’s exhaust that would provide you with that distinct sound and improved performance, then Flowmaster is the brand for you. To know more about Flowmaster, visit Vivid Racing and check out their list of products that fit your requirement.