Vibrant Performance flanges are made from your choice of high quality 304 Stainless Steel or HRPO Mild Steel, ideal for any forced induction or naturally aspirated application. Vibrant flanges are laser cut for a precise fitment. Recommended Products: 1st Choice PN: 2350, 2nd Choice PN: 2451, 3rd Choice PN: 2454, 4th Choice PN: 2360, 5th Choice PN: 2331 Honda K Series Fitment: 2002 Honda Civic Si 2003 Honda Civic Si 2004 Honda Civic Si 2005 Honda Civic Si 2006 Honda Civic Si 2007 Honda Civic Si 2008 Honda Civic MUGEN Si 2008 Honda Civic Si 2009 Honda Civic Si 2010 Honda Civic Si 2011 Honda Civic Si 2016 Honda Civic EX 2016 Honda Civic LX 2016 Honda Civic LX-P