This Stage 2 intake for the 06-08 Audi A4 produced 10 max horsepower and 14lbs. x ft. of torque and out-flowed the factory intake by 38% Shielded by a durable 16 gauge, powder-coated heat shield; this air intake system features a massive washable/reusable conical air filter that improves airflow for increased horsepower and torque. This intake system also features a heat-insulating moulded plastic tube that replaces the stock intake tract and directs increased air flow with improved volumetric efficiency for maximum performance. One-piece heat shield requires little or no assembly and the filter is constructed with polyurethane for long life and multiple cleaning cycles. For aggressive styling, this intake is topped with a clear coat anodized aluminium top. All intake systems are engineered and manufactured in our Corona, manufacturing facility.