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The aFe Stage 2 Si Cold Air Intake System with aFe’s top-of-the-line Pro Guard 7 filter is a simple yet effective performance upgrade for 2009-2014 2.0L VW Jetta, Golf, Beetle and Passat TDI’s as well as the 2009-2013 Audi A3 TDI. It features a CAD designed intake tube for optimal airflow and a high-efficiency, low restriction air filter. No drilling or cutting is required – the 100% bolt-on system mounts directly to your lower airbox housing!
This performance Air Intake System out-flows the factory intake by a whopping 56%! That massive cool airflow increase translates to 23 lbs. x ft torque at 3050 RPM and 10 extra horsepower at 3150 RPM. If you’re planning to upgrade your TDI’s exhaust or add a power module, you’ll get the maximum benefit out of those upgrades when combined with this sealed intake system.
The improvement in air flow and air temperature of the Stage 2 Si intake will help your TDI breathe better and will lead to fuel economy gains in addition to increased horsepower and torque. Our testing of this cold air intake has shown gains of 1-2 mpg in improved mileage.
Your new TDI cold air intake system features aFe’s premium Pro Guard 7 filter media. Boasting a 99.7% filtration efficiency rating, the Pro Guard 7 filter is a washable and reusable oiled filter constructed with five layers of progressive cotton gauze and two layers of non-woven, synthetic fiber with random porosity.
The two extra synthetic filter layers of the Pro Guard 7, combined with the 5 cotton fiber layers, provide the highest engine protection possible. This filter is made to last for as long as your TDI. For maximum filtration with significant flow rate, choose the Pro Guard 7 filter from aFe for your 2.0L TDI.