AFE Stage 2 Intake Pro Dry S 51-31662, 2008-2011 BMW M3 E90 E92 aFe Intake System - Stage 2: For the largest possible performance gain replace the entire air box and intake tract with the aFe Stage 2 Open Element Air Intake System.
* *No Floating Tubes* - Built-in ram scoop forces cold air to filter for greater efficiency and performance gains.
* *Clamp Stops* - Raised stops on aFe tubes provide a more secure seal and eliminate slippage versus flat, straight tubes.
* *3-Angle Adapter* - Specially developed velocity stack with 3 different angles dramatically increase airflow from the filter to the intake tube.
* *Quality Hardware* - aFe uses only top-quality hardware like stainless steel button head bolts and brass inserts.
* *3 Filter Media Choices* - Choose from the Pro 5R, Pro Dry S or Pro-GUARD 7 Filter.
Part Number: 51-31662
Notes: Stage 2 Cold Air Intake Manufacturer: aFe Material: Pro Dry S