I can agree with that. Your absolutely right about the diminishing returns. I was just stating that on a street car with minor bolt ons , there is a difference in the lower-mid range rpm torque and hp which can offset some of the losses that some mods can cause at those rpm ranges. Another...
Reducing rotational mass on an engine helps it rev faster no?. In turn making it quicker. Too many variables in the 1/4 to certainly say that it does nothing. people with mods run 15.2 , 15.3. Stock si with a good driver can pull 15.1. Are those mods , the main ones placebo effect as well...
Got my oem visors in today , had to install it right away as always. I can never wait. It started to drizzle a bit during the install so I had to park under a big tree to finish. lots of wiping.
Sounds like you had a blast. Seems like you have your mod list on track. Aside from suspension , power upgrades and what you said , I would suggest ss brake lines.