Mishimoto Black MMICP-DMAX-06CBK Chevrolet/GMC 6.6L Duramax Cold-Side Intercooler Pipe & Boot Kit Direct fit for the 20062010 Chevrolet/GMC 6.6L Duramax Includes 3.5" cold-side intercooler pipe and boots Pipe Diameter: 3.5 DuraCore Boot: 3.5 No additional tuning required Mishimoto Lifetime Warranty