US PRO Exhaust Tailpipe, Pipe Expander Muffler Pipe Expanders 1 1/8" To 3 1/2"
Expander Sizes. Small Expander : 1-1/8" to 1-3/4". Large Expander : 2-1/8" to 3-1/2". A Simple wrench turn expands pipe for exhaust system repair and installation. A perfect tool for fitting after market rear boxes to a standard exhaust.