Mishimoto MMHOSE-CIV-06SIIHBL Silicone Induction Hose Compatible With Honda Civic Si 2006-2011 Blue

Direct fit for 2006-2011 Honda Civic Si INNER DIAMETER: 2.56" - 3.1" OUTER DIAMETER: 2.95" - 3.5" Installs in under 30 mins and its with stock airbox Silicone and steel rings for added reinforcement and resistance to collapsing Mishimoto Lifetime Warranty