Pro Design Pro Flow K&N Pre-Filter Kit For Honda Trx 400 Ex 1999-2006

Pro Design Airbox Filter Kits replace the faulty stock and restrictive air filter and adaptor to give you the performance you want. Your filter can now remain in place without the restriction inherent with the stock mounting lid. Includes a positive O-Ring seal, 2 Stage High Volume Foam Air Filter, with a third stage filter wrap, and all mounting hardware. This kit can save hundreds of dollars of machine repairs.

With the Pro Flow Kits, in dry riding conditions you can completely remove your airbox lid and maximize your air intake.

• Billet machined air filter flange
• O-Rings to seal flange to air box
• Allows removal of air box lid for greater airflow
• Plus the addition of a high flow filter will make your ATV fly