Wehrli Custom Fab 4" Cold Air Intake Kit With Air Box 04.5-05 GM 6.6L Duramax LLY Select Color:Semi-Gloss Black or exhaust

or exhaust

6L Duramax with this genuine BOSCH part

Gear Ratio: 3-Stage Planetary 343:1

the unique compound has the advantage of never sacrificing power to achieve traditional ceramic pad attributes

This control arm kit is specifically designed to replace the factory upper control arms

Wehrli Custom Fab 4" Cold Air Intake Kit With Air Box 04.5-05 GM 6.6L Duramax LLY Select Color:Semi-Gloss Black or exhaustYou can increase your fuel systems but if your air intake doesn't match the added fuel you're burning then you are simply wasting fuel. Increase your Duramax air with Wehrli Custom Fab 4" Cold Air Intake Kit! If youre looking to wake up your LLY Duramax, airflow is one of the first places to start. The LLY Duramax Cold Air Intake Kit with Air Box is designed to improve airflow, throttle response, and overall engine efficiency while giving your engine