Free Shipping on Orders Over $75. Details

Talk to Wrangler Enthusiasts
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $5,000 For Your Wrangler Enter Daily

Flowmaster American Thunder Cat-Back Exhaust w/ Black Tips (18-19 3.6L Jeep Wrangler JL)

Market Price $814.99 You Save 12% ($95.04)
Our Price

$719.95 (kit)

FREE Shipping

  • Item J126475-JL

Will this fit your Wrangler?

In Stock Ships same business day.
Ship to: Ashburn - 20149
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    Features, Video & Details

    • Produces an Aggressive Exhaust Sound
    • Enhances Exhaust Flow for Improved Performance
    • Chambered Muffler Design
    • 409S Stainless Steel, 2.50-Inch Mandrel-Bent Tubing
    • Black Painted Muffler Finish
    • Dual Out Rear (DOR)
    • Includes Black Ceramic-Coated 4-Inch 304 Stainless Steel Exhaust Tips
    • Easy, Bolt-On Installation
    • Fits 2018-2019 3.6L Jeep Wrangler JL Models

    Review & Installation Video

    Review & Install Video

    Supremely Aggressive Sound. The Flowmaster American Thunder Axle-Back Exhaust gives you and your Jeep significantly noticeable confidence with its thundering exhaust note and equally powerful driving performance. Additionally, the resonant tuning chambers innovatively produce moderate interior sound with an overall improved quality and level of control.

    Superior Performance. This American Thunder Cat-Back Exhaust features a chambered muffler design with superior capabilities in scavenging and refocusing of the exhaust gases. Its Power Chamber and Delta Flow technologies expertly regulate precise phase shifts to maximize power gains. The resulting increase in horsepower and torque provide the Jeep with significantly improved overall vehicle dynamics, both on and off the road.

    Built to Last. Flowmaster equipped its American Thunder exhaust system with long-lasting durability. It is constructed from premium, 409 stainless steel with mandrel-bent tubing, fortified with a black painted finish. The fierce exterior is further reinforced with a pair of exhaust tips – suitably made from 304 stainless steel and coated with black ceramic finish. This entire exhaust system is designed to handle harsh driving conditions, including the constant attacks from the corrosive exhaust gases and thermal stress from catalytic activities.

    Direct Installation. This American Thunder Cat-Back System is designed for a bolt-on installation. It is seamlessly compatible with the JL’s factory hangers and can be installed in around 1 hour with light-to-moderate mechanical skills.

    Application. This Flowmaster American Thunder Cat-Back Exhaust with Black Tips is designed to fit 2018-2019 3.6L Jeep Wrangler JL models.

    Fitment: 2018 2019 Details

    MPN# 817819

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Resonator
    • (1) Front Pipe
    • (1) Over-Axle Pipe
    • (1) Muffler
    • (3) 2-1/2-Inch Stainless Band Clamps
    • (3) 7/16-Inch Hanger Keepers
    Installation Info
    Will it fit my Wrangler?

    You Might Also Like

    Customer Photos

    More Products You Might Like

    Q & A

    No questions about this product yet.

    Ask the First Question

    Recommended For You