I can't remember exactly, but it was enough to make a difference. According to my Hondata flashpro data logs before and after install. I also noticed better performance by covering up the slot on the airbox (with a piece of duct tape). Unexpected rain doesn't really happen in my area, so I keep...
Can you please clarify why it's impossible that valves would rotate? I can't see why not. If they did not rotate, the valve would have perfect up-and-down scoring lines where it rubs the valve guide.
I'm very happy with the interoocler and I appreciate all the clever touches that @Nittori and others pointed out. The butt dyno says there's a nice difference.
Just finished up my install, with a few pieces of constructive criticism. I followed the installation instructions at: https://prlmotorsports.com/documents/instructions/2016%20Honda%20Civic%201.5T%20Billet%20FMIC%20Installation%20Guide.pdf
1. The two stock M6 bolts shown on step 13 cannot be...
I recently installed this intake on a CVT model. Following the instructions at https://store.27won.com/support/instructions/L15_6_305_10_installation_instructions.pdf was difficult due to the lower duct rubbing the CVT warmer. I went off the script a little bit and found some things that made...
I remembered this thread when I saw an animation put out by Honda showing the direct injection system: https://global.honda/innovation/technology/automobile/Vtec-turbo-picturebook.html
The videos on that page show the injectors spraying on the valves.