Prokomon 3 Pieces Exhaust Pipe Expander Tool Set； repair deformed exhaust pipes ;Tail Pipe Expander 1-1/8" to 3-1/2"

Features: This Tail Pipe Expander set includes three different expander sizes; can work to all 1-1/8inch to 3-1/2inch ID thin-wall pipes. Funtion: The Exhaust Pipe Expander Set can quickly and easily straighten clamp dents and clamp marks in mufflers and tail pipes; and stretch pipe openings or fix damaged pipe ends. Can be used with a hand ratchet and a hand wrenches. Easy to Use:Specifically designed for quick muffler dent repair. Expand pipe diameters with simple wrench rotation. However, due to the hardness of exhaust pipe material in some vehicles, avoid excessive force during expansion to prevent product damage.. Contents: 1 Piece Small Expander: 1-1/8"" to 1-3/4""; 1 Piece Medium Expander: 1-1/2"" to 2-1/2""; 1 Piece Large Expander: 2-1/8"" to 3-1/2""; 6 Pieces Extra O-Rings; 1 Piece Blow Mold Storage Case. IMPORTANT: 1. This product is suitable for aluminum or iron mufflers and tailpipes with thickness ≤1mm. It is not suitable for thick-walled stainless steel pipes. 2. When working with copper or stainless steel pipes thicker than 1mm, heat treatment is required.