Use this exhaust system on your 2011 - 2014 Ford Mustang GT when you're out on the street or the track. It's great for car enthusiasts who want to enhance their vehicle's style and performance. The system has a 3 - inch cat - back design with dual split rear and 4 - inch black tips. The whole system is made of heavy - gauge aluminized steel tubing, which is durable and suitable for dry climates.