Thank you for checking out this review. A good consumer does some research before they invest in their safety. Rainbow Muffler has stocked all American Made parts for your cars for the past 15 years. We take pride in carrying a consistent quality inventory on our shelves. Our warranties are good nationwide at one of our 150 locations or through a national warranty program good anywhere. Our price, quality and service is our advertising. Please be a friend and tell a friend. I hope to see you at the store. Bob Hrovat, Owner