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Supplier details checked 2026-09-23 · Test catalog
Fits 2018-2026 Jeep Wrangler JL models with 3.6L engine. - Aggressive to moderate sound
Flowmaster American Thunder Cat-back Exhaust System
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
Fits all 2018-2026 Jeep Wrangler JL 2 & 4-door models with the 3.6L engine, including the 2020 Sahara with the Hybrid E-torque option.
Flowmaster 18-25 Jeep Wrangler JL 3.6L American Thunder Cat-Back Exhaust System
1825 JEEP WRANGLER JL 36L AMT CB DOR 4
SYS 18-26 JEEP WRANG
This Flowmaster American Thunder® Cat-back exhaust system for the 2018-2026 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.
SYS 18-26 JE
