Stainless Works 2007-10 Shelby GT500 3in Catback X-Pipe S-Tube Mufflers Stainless Works Sale! from 156750 133500 /per Qty. Add to Cart This item is either made to order or has limited inventory. Please reach out to confirm lead times if needed. 2007-10 Shelby GT500 3" exhaust system with X-pipe eliminator for factory manifolds with X-pipe. Includes (2) 3" inlet, 2 1/2" core, 3" outlet S-tube turbo mufflers, (2) 4" mirror polished rolled edge tips, (2) 3" tailpipes, hangers and clampsThis Part Fits: Year Make Model Submodel 2007-2010 Ford Mustang Shelby GT500 2008-2009 Ford Mustang Shelby GT500KR