Find out just how good your car can sound by installing an XLR exhaust. New XLR exhaust components will allow you to create your own system or just pick and choose parts to make your bumper fill out better. The XLR MBRP accessories will allow you to make your own XLR custom exhaust. Combine parts to open up your car's pipes. Fill out the tail end of your car with a new XLR universal muffler. The universal muffler will amplify the sound of your car's engine to make it sound more aggressive. A brand new XLR exhaust system is the best way to open up the taps and create the menacing V8 growl that your Caddy should have come with.