This MBRP exhaust system is great for Jeep owners who love off - road adventures or just want to enhance their daily driving experience. It's designed for 2012 - 2021 Jeep Grand Cherokee SRT and SRT8 models with a 6.4L engine. The 3 - inch dual rear exit design ensures a smooth exhaust flow. Whether you're driving in tough terrains or on city streets, this exhaust will improve your vehicle's power and make your Jeep sound awesome.