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and over 1800hp with R900 12mm Stroker pumps
Pad Dimensions: 133
5in / 5x150 BP / 0mm Offset / 110
Stowaway Size: 3700
K&N 06+ Civic Si Drop In Air Filter 10104 and over 1800hp with R900K&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
