Use this exhaust system when you want to enhance your Toyota Tundra's look and performance, whether you're on a daily commute or going off - road. It's great for Tundra owners who love to add a touch of style to their vehicles and want better engine performance. The system features a 3 - inch cat - back single - side design. The tubing is made of heavy - gauge Aluminized Steel, with the tailpipe and tip having a high - heat black powder coating.