Tailpipe expander hand tool 2-1/8in-3-1/2in for muffler pipes1、Function: The exhaust pipe expander is designed to quickly and easily straighten clamp dents and clamp marks in mufflers and tail pipes, and stretch pipe openings or fix damaged pipe ends. 2、Durable Construction: The muffler pipe spreader is made of premium metal material, resistant to high temperature for higher strength and strong durability. 3、Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. 4、Easy to Use: All you needed to do is just a simple turn like a wrench to expand pipe for repairing exhaust system and better improve the exhaust performance. 5、Universal Accessory: The exhaust pipe expander kit is universally for various kinds of brands and models car exhaust systems with wide application.