Pypes Exhaust SGA10S Street Pro 2-1/2" Diameter 409 Stainless Steel Crossmember-Back Exhaust System with X-Pipe for GM A-Body PYPES PERFORMANCE EXHAUST SGA10S 64-72 A-Body 2.5in Exhaust System w/X-Pipe Dimensions in Inches (LxWxH): 62.5 x 62.5 x 17.5