Stinger delivers tow all day with lower EGTs power. Intake, tuning, exhaust upgrades for more MPG. 2011-14 Ford F-150, 3.5L EcoBoost. With its engineered intake, exhaust and fuel management upgrades, economical Stinger adds impressive power, efficiency and durability - and sounds great doing it! The system includes Banks' exclusive 6x5 inch ob-round (patented design) angle-cut rolled-edge tailpipe tip in your choice of polished chrome-over stainless or high-temp black!