Fitment Information VW Beetle Turbo L4 1.8L Gas (1999, 2000, 2001, 2002, 2003, 2004, 2005) VW Beetle Turbo Diesel Injection L4 1.9L Diesel (1999, 2000, 2001, 2002, 2003, 2004, 2005) Specs & Features Pro DRY S Air Filter (Dry) - Part # 51-10831 Pro 5R Filter (Oiled) - Part # 54-10831 CARB Exempt: CARB EO# D-550-2 (For 2000-2004 models only) This system includes a Pro DRY S (oil-free) or Pro 5R Filter (oiled) synthetic air filter. Increases throttle response Direct bolt on, no modification required No tuning required Built-In Scoop Provides Air Directly into the Housing Enclosed in a durable 18 gauge, powder-coated heat shield; this air intake system features a washable/reusable conical air filter that improves airflow for increased horsepower and torque. Heat shield requires little or no assembly and the filter is constructed with 100% polyurethane for long life and multiple cleaning cycles. Product Description aFe (advanced FLOW engineering) spends countless hours with each and every vehicle to ensure that their intakes produce the most horsepower possible.  Each intake is dyno tested over and over to ensure their design, air filter, and technology creates the best environment for the most power and torque.  We love this intake so much, we run it on our own shop cars! aFe uses their special high-flow conical air filters that allow the most possible air flow without letting in contaminants.  Each intake produces a deep and throaty sound and outflows the factory intake by an average of 30%! aFe Cold Air Intake Features: Dyno Proven Horsepower Direct Bolt On Installation Includes all necessary hardware Redline360 sells only genuine and authentic aFe Power products.