Exhaust Pipe Expander Tool Set 158 to 414 Inches Muffler Pipe Spreader Kit with 7 Collets for Automotive Tailpipe Expansion

Description:This Exhaust Pipe Expander Tool Kit is designed for professional and DIY automotive technicians who need reliable equipment for modifying or repairing exhaust systems. The set enables precise expansion of tailpipes to accommodate slip-fit joints, eliminating the need for welding in many standard repairs.FAQ:1. What size drive does the expander tool use? – The tool features a 28mm (1.10 inch) hex drive compatible with standard 1/2in or 3/4in impact wrenches.2. Are O-rings included for sealing? – Yes, 14 replacement O-rings are provided to support maintenance and ensure proper function over time.3. Can this tool be used on stainless steel exhaust pipes? – It is suitable for mild steel and aluminized exhaust tubing within the specified diameter range; results on hardened stainless steel may vary based on wall thickness and temper. Item Type: Exhaust Pipe Expander ToolMaterial: Aluminum + alloy steelSpecification:Expanding Range 1-5/8in to 4-1/4inUse To Expand Exhaust PipesDrive Expanding Tool 28mm/1.10inSmall Steel Collet 1 5/8in - 1 7/8inLarge Steel Collet 2in - 2 1/2inCollet 2 3/8in - 4 1/4in Package List：1 x Exhaust Pipe Expander Tool Kit (7 Pcs)14 x O Ring1 x Box

• COMPLETE EXPANSION KIT FOR TAILPIPE MODIFICATIONS: Includes a precision-engineered expander and seven interchangeable steel collets to stretch exhaust pipes before joining smaller-diameter sections, ensuring secure and leak- connections.
• INCREASES EXHAUST FLOW FOR ENHANCED ENGINE PERFORMANCE: Expanding the tailpipe diameter improves exhaust gas evacuation, supporting higher RPM operation and more responsive throttle response during driving.
• WIDE ADJUSTABLE RANGE FROM 1-5/8 TO 4-1/4 INCHES: Covers common exhaust pipe sizes with collet ranges including 1-5/8–1-7/8in, 2–2-1/2in, 2-3/8–2-3/4in, 2-3/4–3-1/8in, 3-1/8–3-1/2in, 3-1/2–3-7/8in, and 3-7/8–4-1/4in for versatile applications.
• SIMPLE OPERATION WITH STANDARD IMPACT WRENCH: Select the appropriate collet, clamp onto the pipe, and use a 1/2in or 3/4in impact wrench (not included) to expand the tube—reducing manual effort and saving time during installation or repair.
• DURABLE CONSTRUCTION FOR LONG-LASTING USE: Features an aerospace-grade 6061 aluminum body combined with a tempered 40CR alloy steel expander core, delivering structural rigidity and resistance to deformation under repeated use.