8th Gen 3.5' Cold Air Intake

Application:  06-11 Civic Si Features: * Available in 3.0" and 3.5" piping Notes: * Flashpro or KTuner is REQUIRED * Does NOT fit base model * Battery tie down not included * Flashpro is required and you'll have to switch over to a MAP based tune if you are using the 3.5" pipe * Comes with coupler for stock TB only. If you have a different size TB you will need to order an additional coupler. * Only available with regular filter. V-Stack Combo no longer offered. Larger V-Stack has some fitment issues on some setups. Specifications: K-Tuned kits will allow you to build an intake system that will perfectly match your setup. They are available in both Short Ram or Cold Air configurations and can easily be switched between the two. The velocity coupler provides a perfect transition from the piping to throttle body unlike standard silicone couplers. Next, you'll select the primary intake pipe size (This is the first pipe that will connect to your throttle body coupler and will also h