Fits Sierra/Silverado 1500 HD(01-06) M1 Monotube Rear Shocks 2.5-6" 770744_D map-sensors 86% increase in inlet cross

86% increase in inlet cross sectional area via the center inlet/scoop (secondary inlet) for maximum airflow

2L V8 2009-2011 Chevrolet Express 1500 Base 262/4

The Force II system is constructed from mandrel-bent 2

5L H4 2010-2011 Mitsubishi Lancer GTS 2

Fits Sierra/Silverado 1500 HD(01-06) M1 Monotube Rear Shocks 2.5-6" 770744_D map-sensors 86% increase in inlet crossM1 Monotube Rear Shocks 2. 5 6" Chevy GMC Sierra 1500 HD Silverado 1500 HD (01 06) Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen charged M1 Monotube Shock Absorber leads the way, delivering impeccable ride quality and performance mile after mile. Rough Country's Monotube M1 Shocks feature an internal floating piston design that keeps the shock oil and high pressure nitrogen separate. The result is a lightning