Experience high air flow to improve horsepower, torque, throttle response and fuel mileage with Advanced Flow Engineering’s performance air filter for the 2011 GM Duramax LML with V8-6.6L. The aFe filter features a polyurethane progressive bump seal that keeps debris flowing through the filter. The washable, reusable filter has an inverted cone design to deliver maximum flow.
Three filters are available:
Part No. 30-80209 – the Pro 5R filter; uses a deep pleat 5-layer progressive cotton gauze media to boost airflow and performance (MSRP, $59.95)
Part No. 31-80209 – the Pro Dry S filter; uses a deep pleat 2-layer synthetic media that cleans with soap and water and requires no special oils (MSRP, $58.95)
Part No. 73-80209 – Pro Guard 7 filter; uses a deep pleat 7-layer progressive cotton/synthetic hybrid media for maximum filtration (MSRP, $67.77).