Im still new to the sight even though i just recently been putting my Tundra together. I dont have the 5.7 but have the 4.7. I do plan to modify the engine in do time. For now i have a 4x4 with the 2 front windows tinted like the factory, rain guards and bug sheild, Leer cap with a carpeted lining and led brake light, just got a 3 inch lift kit with 295/70/18 Nitto Terra Grapplers All Terrain and XD Series Monster 18" rims. I plan on getting the Borla exhaust and a hood scoop. Also redoing the front grill and replacing the toyota symbol with a brommel bull and hook up a nos tank to 2 hoses to shoot smoke out the nostrels. Thats what i got so far, love the creativity with everyones Tundra.