+3 Turbo Downpipe for 2005-2010 Chevy GMC Duramax 6.6 LLY LBZ LMM KB-6.6lLLYLBZLMMDPSS $159.95 In stock Quantity: 1 Add to Bag Product Details KBDP Turbo Downpipe for 2004.5-2010 6.6l LLY, LBZ & LMM Duramax. Made in the USA! Allows extra room for full sized up pipes Seamless construction CNC Mandrel Bent from 304 Stainless Steel Smooth Sweeping Bends Removes all restrictions found in the crushed original equipment design Note: You will have to adjust the transmission dipstick tube during install. Fits: 2004.5-2010 Chevy/GMC 6.6l Duramax LLY LBZ & LMM Engines. Save this product for later Favorite