3-Piece Pipe Expansion Kit, 1-1/8"-3-1/2", Exhaust Pipe Flaring Tool Suitable for Most Cars and Trucks, Exhaust Pipe Flaring Tool

【FUNCTION】The 3-piece pipe expansion kit is designed to quickly and easily smooth out dents and pressure marks left by hose clamps in mufflers and exhaust pipes, as well as to widen pipe openings or repair damaged ends. Can be used with a hand ratchet, pry bar, or commercially available adjustable wrenches.
【PROPER USE TO PREVENT DAMAGE】Suitable only for thin-walled tubing with an inside diameter between 1-1/8 inch (28.6 mm) and 3-1/2 inches (88.9 mm). Please note the following points when using: (1) When expanding, the steel conical cones of the expander must be fully inserted into the pipe, not halfway. (2) If possible, use a ratchet or manual adjustable wrench to turn the pipe support tool, not an electric ratchet. (3) Avoid applying excessive force when rotating the expander. [FEATURES] This exhaust pipe expansion kit includes three different expansion sizes and is suitable for all thin-walled pipes with an inside diameter between 1-1/8 inch (28.6 mm) and 3-1/2 inches (88.9 mm). Simply turn a wrench to expand the pipe, allowing for repair and installation work on exhaust systems. 【HIGH-QUALITY MATERIALS】 1 small expander: 1-1/8" (28.6 mm) to 1-3/4" (44.5 mm) 1 medium expander: 1-1/2" (38.1 mm) to 2-1/2" (63.5 mm) 1 large expander: 2-1/8" (54.0 mm) to 3-1/2" (88.9 mm) 6 extra O-rings Forged steel with heat treatment for maximum strength and durability. Tested under strict quality controls. Suitable for DIY enthusiasts and professional mechanics. Plug-and-play – a must-buy! 【NOTE】 This product is suitable for aluminum/iron pipes with a wall thickness of less than 1 mm. To avoid damaging the pipe, do not apply excessive force. During use, the pipe can be slightly heated to facilitate expansion. Please carefully review the detailed product information before purchasing this item. If you have any questions, please feel free to contact us.