+3 Cold Air Intake & Filter Kit for 2001-2004 LB7 6.6l Duramax Chevy GMC 2500 3500 KB-6.6L-LB7-CAIK-GB $350.95 Out of stock Quantity: 1 Add to Bag Product Details Cold Air Intake & Filter Kit for 2001-2004 LB7 6.6l Duramax Chevy GMC 2500 3500 Durable powder coated steel air intake box with lid Large high efficiency cone air filter 4" Mandrel bent air intake tube Made In USA! Fits: 2001-2004.5 Chevy & GMC 2500 & 3500 applications with the 6.6l LB7 Duramax diesel engine. Save this product for later Favorite