86GN-862+2
Member
- Joined
- Apr 19, 2008
- Messages
- 500
Any of you guys use these? They claim HP increases as well as fuel economy due to better fuel ignition. I know HP TV show did a dyno test on them but it is always better to find out if they really work when an unbiased end-user has produced the same results. Here's their website:
Yahoo! ... plugs.com/
Yahoo! ... plugs.com/