quick view Add to Cart Diamond Eye Performance Diamond Eye KIT 4in DPF-BACK SGL AL 16-17 Chevy/GMC 6.6L Duramax 2500/3500 - K4166A MSRP: $634.99 Diamond Eye KIT 4in DPF-BACK SGL AL 16-17 Chevy/GMC 6.6L Duramax 2500/3500 Add to Cart Add to Wish List Add to My Wish List Create New Wish List Compare