---tab Description--- Description Upgrade your Duramax's performance and reliability with the SPELAB 3.5-Inch Cold Side Intercooler Pipe Kit. Designed for 2006–2010 6.6L LBZ and LMM Duramax engines, this heavy-duty aluminum replacement eliminates the weak factory plastic pipe, delivering improved boost handling, durability, and airflow. Ideal for stock and tuned trucks, this kit ensures leak-free performance under high heat and high pressure conditions. Key Features Heavy-Duty 3.5" Cold Side Intercooler PipeIncreases airflow capacity and replaces the fragile factory plastic pipe for improved reliability and performance. Mandrel-Bent Aluminum ConstructionPolished, mandrel-bent aluminum pipe ensures smooth airflow and superior heat resistance. Reinforced Silicone BootTriple-layer silicone hose handles high boost pressure and extreme engine bay temperatures. Complete Installation KitComes with T-bolt clamps and heater hoses for a direct bolt-on installation—no modifications required. OEM CompatibilityRetains factory emissions components for seamless fitment and function. Fitment 2006-2007 6.6L LBZ Duramax Diesel (LBZ: 06-07 VIN Code 2 or D) 2007.5-2010 6.6L LMM Duramax Diesel ( LMM: 07.5-10 VIN Code 6) Specifications Type 3.5" Cold Side Intercooler Pipe Kit Pipe Material Mandrel-Bent 6061 Aluminum Pipe Size 3.5 Inches Coupler Material Triple-Reinforced Silicone What's in the Box 2 × 3.5" Cold Side Intercooler Pipes 1 × Silicone Boot 2 × T-Bolt Clamps 2 × 5/8" Heater Hoses ---tab FAQ--- Q: Will this fit both LBZ and LMM Duramax engines?A: Yes, it's compatible with 2006–2007 LBZ and 2007.5–2010 LMM 6.6L Duramax models. Q: Is tuning required after installation?A: No tuning is required. The kit is designed as a direct OEM replacement. Q: Is this kit compatible with the stock turbo and intercooler?A: Yes, it works with factory turbochargers and intercoolers. Q: What size is the intercooler pipe?A: The cold side pipe has a 3.5" diameter, allowing for improved airflow and performance. Q: Are all clamps and hoses included?A: Yes, it includes silicone boot, T-bolt clamps, and heater hoses—everything you need for installation. ---tab Shipping & Returns--- Fast Shipping Policy Your order will be dispatched within 1-2 business days, and the package will arrive within your order's estimated date. Click for Shipping Policy Easy Return Policy Every order comes with a 14-day free return, which means you don't have to pay for a return slip. Click for Return Policy