Flowmaster introduces our Force II stainless steel cat-back exhaust system for the 2011-2022* Jeep Grand Cherokees (*2022 Grand Cherokee WK Only) with the 3.6-liter engine. This system use a Super 50 series muffler for a moderate to mild sound level and increased performance. Tuned resonators help keep the interior sound level low for a comfortable ride. Mandrel bent 409 stainless steel tubing allows for maximum exhaust flow and durability. This system uses larger 4.00-inch polished stainless steel tip for a custom look. Max dyno gains of 11 hp and 15 lb-ft at the rear wheels. All of the necessary hardware is included, and factory-mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty.