×
SHOP
GALLERY
BRANDS
CO x TIS Ford F350 Giveaway
ABOUT
RESOURCES
Free mount, balance, and shipping in as little as 7 days with quick delivery
Don't let your budget put your build on pause, monthly payments available with Affirm.
Flowmaster American Thunder Cat-Back Exhaust System|18-21 Jeep Wrangler JL|3.6L

Flowmaster American Thunder Cat-Back Exhaust System|18-21 Jeep Wrangler JL|3.6L
817819

Shop By

Monthly Payments

$795


Free shipping to the lower 48

Financing Available

Part Number

FLO-817819

Details

This Flowmaster American Thunder Cat-Back exhaust system for the 2018-2021 Jeep Wrangler JL 2 and 4-door models with the 3.6L engine is perfect for the person looking for a moderate to aggressive exterior and mild interior exhaust tone with all of the performance benefits that you would expect from Flowmaster. This bolt-on Dual Out Rear emissions-legal system features a 2.50-inch mandrel bent stainless inlet pipe a specially designed stainless steel resonator to keep the interior resonance down to a minimum a stainless steel 80 Series cross-flow muffler and dual 2.50-inch mandrel bent tailpipes. The system finishes with large dual 4.00-inch black ceramic coated Flowmaster stainless steel tips for a stealthy modern look. The system is designed for a perfect fit and includes all necessary parts and hardware for easy installation you can do at home.


Features

  • Large 4.00-inch Black Ceramic Coated Exhaust Tips
  • Moderate to Aggressive Exterior Performance Tone
  • 80 Series Cross-flow Performance Muffler
  • Mandrel-Bent Stainless Steel Tubing
  • Uses the Factory Hanger Locations
  • Minimal Interior Resonance
  • Lifetime Limited Warranty
  • Easy Installation

Notes

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.

Fitment

  • 2021 Jeep Wrangler 80th Anniversary 4WD 3.6L V6 Electric/Gas
  • 2021 Jeep Wrangler Freedom 4WD 3.6L V6 Electric/Gas
  • 2021 Jeep Wrangler Freedom 4WD 3.6L V6 Gas
  • 2021 Jeep Wrangler Islander 4WD 3.6L V6 Electric/Gas
  • 2021 Jeep Wrangler Islander 4WD 3.6L V6 Gas
  • 2021 Jeep Wrangler Rubicon 4WD 3.6L V6 Electric/Gas
  • 2021 Jeep Wrangler Rubicon 4WD 3.6L V6 Gas
  • 2021 Jeep Wrangler Sport 4WD 3.6L V6 Electric/Gas
  • 2021 Jeep Wrangler Sport 4WD 3.6L V6 Gas
  • 2021 Jeep Wrangler Sport S 4WD 3.6L V6 Electric/Gas
  • 2021 Jeep Wrangler Sport S 4WD 3.6L V6 Gas
  • 2021 Jeep Wrangler Willys 4WD 3.6L V6 Electric/Gas
  • 2021 Jeep Wrangler Willys 4WD 3.6L V6 Gas
  • 2021 Jeep Wrangler Willys Sport 4WD 3.6L V6 Electric/Gas
  • 2021 Jeep Wrangler Willys Sport 4WD 3.6L V6 Gas
  • 2020 Jeep Wrangler Rubicon 4WD 3.6L V6 Gas
  • 2020 Jeep Wrangler Sport 4WD 3.6L V6 Gas
  • 2020 Jeep Wrangler Sport S 4WD 3.6L V6 Gas
  • 2019 Jeep Wrangler Rubicon 4WD 3.6L V6 Gas
  • 2019 Jeep Wrangler Sport 4WD 3.6L V6 Gas
  • 2019 Jeep Wrangler Sport S 4WD 3.6L V6 Gas
  • 2018 Jeep Wrangler Rubicon 4WD 3.6L V6 Gas
  • 2018 Jeep Wrangler Sport 4WD 3.6L V6 Gas
  • 2018 Jeep Wrangler Sport S 4WD 3.6L V6 Gas

**This part fits a ton of vehicles, so let’s check to see if it fits yours. Don’t see it on the list above? No worries, type your vehicle in the search bar above to see the full list of compatible vehicles.**


Install Instructions

For information on how to install your Flowmaster American Thunder Cat-Back Exhaust System|18-21 Jeep Wrangler JL|3.6L


About Us
For over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holley's market-leading EFI products as well as through Holley's family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel and many more make up the industry's leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley's commitment to its customers and their cars is at the core of everything we do.

Shipping
Shipping times will varying depending on item and immediate availability. Many kits will ship in 3-7 business days while some other items will ship in 3-10 business days. We will email the tracking number to you within 24 hours once it ships to you, so you can easily track your package(s) from the us to your door. All shipping prices are based on the lower 48 states unless specified otherwise. Always inspect your items immediately upon receipt.

Warranty
All Holley Performance Products Limited Warranties are extended to the original consumer only. This Limited Warranty is not assignable or otherwise transferable. There are no warranties that extend beyond those stated herein. Holley Performance Products offers no other warranties expressed or implied beyond this Limited Warranty. In the event of an alleged defect in material or workmanship, Holley Performance Products' responsibility is strictly limited to repair or replace the efective product. Holley has no other obligation expressed or implied. Final warranty determination will be in the sole discretion of Holley Performance Products. Holley shall not be responsible for; (a) actual or alleged labor, transportation, or other incidental charges; or (b) actual or alleged consequential or other damages incurred by use of any product of Holley Performance Products. To initiate the warranty process, the consumer must return the alleged defective product to the place of purchase with a dated receipt and completed applicable warranty claim tag. Warranty claims will be rejected if the date of purchase cannot be established by the consumer. Do not send products directly to Holley Performance Products. Holley Performance Products assumes no responsibility for products sent directly to Holley Performance Products.

WARNING: This product can expose you to Nickel, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to p65warnings.ca.gov.

See More Exhaust See Wheel & Tire Packages See all Store Items Wholesale Program
Outdated browser detected Unfortunately we do not support Internet Explorer. We recommend that you use Google Chrome, Mozilla Firefox, or Microsoft Edge.

Sign up to be notified when item is back in stock

Enter your email here and we'll let you know when this is in stock again