Description
The factory airbox on your 2001-2004 Chevrolet chokes airflow. This S&B cold air intake replaces it with a fully enclosed, one-piece airbox and an oversized high-flow filter engineered to feed your 6.6L LB7 Duramax clean, cool air — without tripping a check engine light.
Every S&B intake is tested to the ISO 5011 standard and tuned to hold correct MAF and fuel-trim values, so it runs clean stock or lightly tuned.
- Fully enclosed one-piece airbox seals the filter from hot engine-bay air
- Clear lid for at-a-glance filter checks while locking out heat
- Choose 8-layer cotton cleanable (oiled) or dry extendable media
- Heat-resistant silicone couplers and seals
- Bolt-in install with basic hand tools, no cutting
- Backed by S&B’s Million Mile Warranty — won’t void your factory warranty
Vehicle Fitment
| Year | Make | Model | Engine |
|---|---|---|---|
| 2001 | Chevrolet | — | 6.6L LB7 Duramax |
| 2002 | Chevrolet | — | 6.6L LB7 Duramax |
| 2003 | Chevrolet | — | 6.6L LB7 Duramax |
| 2004 | Chevrolet | — | 6.6L LB7 Duramax |
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