+3 Stainless Steel Lower Downpipe Outlet V-band Flange for 6.6l 2001-2015 Duramax KB-LB7-LML-LDF $29.95 In stock Quantity: 1 Add to Bag Product Details CNC cut lower downpipe v-band flange for LB7, LLY, LBZ, LMM, & LML engines. Great for making your own downpipe. Accepts 3" OD Tube Clamps to the front exhaust pipe on 2001-2015 6.6l LLY, LBZ, LMM & LML Duramax engines. Note 2015.5+ LML engines used a 3 bolt flange instead of a v-band clamp. Save this product for later Favorite