This performance package is designed with straightline performance in mind. Typical improvement is 4 to 6 tenths in the 1/4 mile. Components include Steeda's cold air intake, flash tuner, 4.10 gears with installation kit, shorty headers and Steeda's Sport Short Throw Shifter. Package Includes: 555-3120 - Steeda High Velocity Cold Air Kit - Diablo Predator Tuner 555-7305 - Steeda Tri-ax - 161-M-4209-G410A - 4.10:1 Ring & Pinion Gears - 370-F88IK - Ring & Pinion Gear Install Kit 513-MW-0506 - Steeda Performance Headers - Benefits Increased Power Reduced Quarter Mile Times