K&N 15-18 BMW 740I L4-3.0L F/I Replacement Drop In Air Filter Block Guard Axle-Back PN 11961 to the

Axle-Back PN 11961 to the factory catalytic converter creating a Cat-Back

H-Series Swapped cars / H-Series Universal

0 R Limited 2010-2013 Subaru Outback 3

Year Make Model Submodel 2003-2011 Toyota Matrix Base 2009-2011 Toyota Matrix S 2003-2008 Toyota Matrix XR 2003-2006

(4) M8 Class 12

K&N 15-18 BMW 740I L4-3.0L F/I Replacement Drop In Air Filter Block Guard Axle-Back PN 11961 to theK&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace