Description: CNC Machined Billet Aluminum and Stainless Steel. Does not Require Removal of Turbo, Intake Manifold or Up Pipe. Completely Replaces EGR System, No other Parts Required. Fit for Chevy Silverado 2500 3500,GMC Sierra 2500 3500. Specification: Fitment: For 2007.05 - 2010 Chevy Silverado 2500 HD 6.6L 400CU V8 OHV DIESEL TURBO Duramax LMM. For 2007.05 - 2010 Chevy Silverado 3500 HD 6.6L 400CU V8 OHV DIESEL TURBO Duramax LMM. For 2007.05 - 2010 GMC Sierra 2500 HD 6.6L 400CU V8 OHV DIESEL TURBO Duramax LMM. For 2007.05 - 2010 GMC Sierra 3500 HD 6.6L 400CU V8 OHV DIESEL TURBO Duramax LMM. Package Includes: 2 Pieces Billet Intake Block Off Plate with O-ring 1 Piece Exhaust Block Off Plate 1 Piece Intake Support Bracket 1 Piece Hose 2 Pieces Clamps 9 Pieces Screws 2 Pieces Nuts Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you