77 Series High-Flow Performance Air Intake System2007-2011 Jeep Wrangler 3.8LPolished +7.92 HP Increase 2011 Jeep Wrangler 3.8LNot legal for street use in the following states:AZ, CA, CT, DC, MA, ME, MA, NJ, NM, NY, OR, PA, RI, VT, and WA2007-2010 Jeep Wrangler 3.8LStreet Legal In All US States-CARB EO Number: D-269-37.