Originally Posted by
custom240sx
Yea I was about to say something about the royal purple stuff...it is actually tested and proven time and time again to actually free up some horsepower hiding in you motor. I'm about to get some of that stuff too. Where can you get it without ordering it online?
I think the claim is a bunch of bullshit.
I would like to throw a car on a dyno to try it if they funded the testing...
Run cheap castrol gtx oil with an oem honda filter & be happy.