Hard-Krome 3 Inch T-Rex True Duals - Chrome 961-2007 for Harley-Davidson Touring Models (2007-08) Guaranteed not to discolor for 1-Year All Hard-Krome exhaust pipes feature patented doublewall design Welded construction - No Hose Clamps! CNC machined, polished and chrome plated billet aluminum end cap 16 ga. steel tubing outer pipes