hey whats up i have a new 08 civic si.looking to make it faster and have fun with it. any help or web sites would be appreciated. also looking for other civic people in southern cali thanx

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nice ride, welcome to HCF! All the stickies at the top of each section will be very useful, but good luck modding and keeping her legal in Cali

 

well here ya go. xfactor intake w/ maf. Buddy club catback b/ eaither vibrant race header or BC. Along with p2r throttle body space and gasket. Ported intake manifold + intake mani IMG. Honda reflash. Tsx cams, nst pulley kit.
These will give you the best gain.