K&N Replacement Air Filter Round 11in OD 9-1/4in ID 6in H throttle-bodies Double Tempered and Super Sub-Zero

Double Tempered and Super Sub-Zero treated for unsurpassed toughness

Fits: 2001-2005 Honda Civic Si

Suitable for all types of rubber hose with 3/8" (8-10mm) inside diameter

driving excitement

2013-2014 Ford Mustang +37 HP +27 LB/FT

K&N Replacement Air Filter Round 11in OD 9-1/4in ID 6in H throttle-bodies Double Tempered and Super Sub-ZeroK&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