This MBRP exhaust system is great for Jeep Cherokee owners who want a cost - effective way to improve their vehicle's performance. It fits 1986 - 2001 Jeep Cherokee models with a 2.5L engine. Whether you're driving on the highway or taking your Jeep off - road, this exhaust will give you a great sound and better power. It's made of heavy - gauge Aluminized Steel tubing, which is about 2.5 inches in diameter. If you live in a dry area with little precipitation and are on a budget, this exhaust is the perfect choice for you.