Exhaust Pipe Expander Kit, 7-Piece, 1-5/8 to 4-1/4, Case

Exhaust pipe expander kit helps you stretch tailpipes for tighter slip-fit joints, reducing leaks and saving time during exhaust repair or fabrication. This 7-piece pipe stretcher set covers common tube sizes from 1-5/8" to 4-1/4" with multiple collets, designed to work with a drill for fast, controlled expansion. Built with coated metal surfaces for rust resistance and packed in a compact blow-molded case to keep every sleeve organized and ready for the next job.

• Delivers 1-5/8" to 4-1/4" expansion range to match most exhaust pipe and tailpipe diameters


• Includes 7 collets plus expanders to create tighter seals before clamping or welding


• Works with a drill to speed up exhaust stretching with simple, step-by-step setup


• Resists corrosion with a coated finish to handle shop use and storage


• Keeps tools organized in a blow-molded carrying case to prevent loss between jobs

When pipes don’t slip together cleanly, you lose time fighting fitment and chasing leaks. This exhaust pipe expander kit is built to quickly open up tube ends so you can assemble exhaust sections with less force and more consistent alignment. Lubricate the parts, select the right sleeve, insert the pipe spreader, then drive expansion with your drill for controlled results. Ideal for DIY mechanics, muffler work, and general automotive exhaust fabrication. Grab yours today and keep the right size collet on hand for every job.

• Expansion range: 1-5/8" to 4-1/4"


• Set size: 7-piece collet set with expanders


• Collet materials: aluminum alloy; includes mild steel expander components


• Finish: coated/painted surface for rust resistance


• Case: blow-molded storage/carrying case included


• Color: silver


• Product size: 15.35 × 11.41 × 3.54 in (39 × 29 × 9 cm)


• Product weight: 10.39 lb (4.71 kg)