This kit provides the handy collets and expander required to stretch tailpipes before making tight seals to pipes with smaller diameters. The exhaust pipe stretcher offers various collets for a broad expansion range from 1-5/8" to 4-1/4". Includes: Steel expander 1-5/8" - 2" Collet, Steel expander 2" to 2-1/2" Collet, 2-3/8" to 2-3/4" Collet, 2-3/4" to 3-1/8" Collet, 3-1/8" to 3-1/2" Collet, 3-1/2" to 3-7/8" Collet, 3-7/8" to 4-1/4" Collet. Pipe stretchers can be used with an impact wrench to quickly stretch pipes. Genuine Neilsen Product
eBay