S&B Cold Air Intake Dry Extendable for GM Duramax LLY 6.6L 2004-2005

More airflow has been shown to increase horsepower. S&B Cold Air Intake Kits minimize airflow restrictions while maintaining high filtration (efficiency) ratings to protect your engine. Our kits are tested against the competition using internationally accepted ISO 5011 standards and results can be found on each product page.

Demand Better.All S&B Cold Air Intake Kits released after October 2013 are made with silicone rubber instead of standard urethane rubber used by most competitors. Unlike urethane, silicone won't crack or tear with extended use.

Features

• Silicone. A Stronger, better Rubber. All new S&B Cold Air Intakes Kits released after October 2013 are made with silicone rubber filters, couplers, and fender seals instead of standard urethane rubber used by most competitors.
• Your filter won't crack with age. Industry-standard urethane filters can crack with extended use. The silicone on an S&B filter won't degrade over time.
• Engineered & tested to the highest standards.
• Simple to install. Clear Lid for easy filter inspections
• ISO 5011 Tested. We test our products against the competitors to the highest standard.
• 30 Day Money Back Guarantee. If you're not satisfied with your intake S&B will refund your purchase. Restrictions apply.
• Resists extreme heat. Capable of withstanding temperatures as high as 400 degrees F.

• Airflow Rating: Flows 43.69% Better than the Stock Intake
• Efficiency Rating: 99.52% Efficient @ 653 CFM (ISO Coarse Dust)
• Filter Type: Dry Filter
• Street Legal In All US States: Pending