2001-2004 GM HD Duramax 6.6L Evolution Intake (INJEVO7008)

Bring modern airflow engineering to your GMC Duramax with the Injen Evolution Cold Air Intake System. Designed to maximize every inch of available underhood space, this system improves breathing efficiency, sharpens throttle response, and delivers dyno-proven horsepower and torque gains. With a precision-molded two-piece airbox, integrated boost plenum, and a massive high-flow filter, the Evolution system is built to unlock serious performance while maintaining factory drivability and an easy, drop-in installation.

Features

• Two-piece airbox design with integrated boost plenum
• Massive 360-degree SuperNano-Web dry air filter
• Deep-pleated filter design for increased surface area
• SHUR-LOCK mounting system for a secure, non-slip seal
• Smooth roto-molded intake tube for reduced restriction
• Custom designed and dyno-tuned intake tube
• Delivers increased horsepower and torque gains
• Precisely tuned to maintain factory fueling characteristics
• Constructed from cross-linked high density polyethylene
• Designed using 3D modeling for drop-in installation
• Includes stainless steel hardware
• Includes automotive-grade urethane couplers
• Made in the USA
• 100% dyno tested in-house