The Granatelli 2.5-inch round stainless weld-in exhaust includes a 3" oval Y transition adapter and ships with a rectangle flange and block-off plate. Provided as a weld-in assembly, this transition suits custom fabrications that require a Y-style change from 2.5" round inlet to 3" oval outlets while supplying the flange and plate needed for installation.
Granatelli 2.5in Round Stainless Steel Weld-In Exhaust w/3in Oval Y Adapter (Incl Flange/Plate)