The RDP Modified LB7 Intake Horn will increase the potential of your 01-04 GM 6.6L Duramax LB7 with this simple, but effective upgrade.

The RDP Modified LB7 Intake Horn will increase the potential of your 01-04 GM 6.6L Duramax LB7 with this simple, but effective upgrade.

Features:

• Easy Upgrade
• 15HP Increase
• Polished Finish
• 1-Year Warranty

Fitment:

• 2001-2004 GMC Sierra 6.6L Duramax Diesel LB7/LLY
• 2001-2004 Chevrolet Silverado 6.6L Duramax Diesel LB7/LLY

Notes:

• Direct Replacement
• Fits Federal emissions trucks only. Not for use on California emissions models.