Stinger delivers tow all day with lower EGTs power. Intake, tuning, exhaust upgrades add more MPG! Not available for every Chevy truck. (1999-2010) With its engineered intake, exhaust and fuel management upgrades, economical Stinger adds impressive power, efficiency and durability - and sounds great doing it!Stinger Bundle, Power System with Single Exit Exhaust, Black Tip for use with 2003-2006 Chevrolet/GMC 4.8-5.3L, EC/CC-SB Extended Cab and Crew Cab Short Bed. US Patent #5,581,111 S1