+3 12x Exhaust Up Pipe 12 Point Bolts for 6.6l Duramax Chevy GMC 2001-2016 LB7-LML KB-TUPBK-6.6l $20.95 In stock Quantity: 1 Add to Bag Product Details MPN: KBDP-6.6l-TUPK Cross Reference:: 11611132 Up Pipe Bolts for 2001-2016 Chevy/GMC 6.6l Duramax engines. Includes: 12x 12 point Grade 12.9 M10 Bolts & Washers Fits: 2001-2016 Chevy/GMC 6.6l Duramax LB7 / LLY / LBZ / LMM / LGH / LML Save this product for later Favorite