A foam filter is attached to this end of the vent line. Problems with under hood pressure are eliminated. The installation was simple and effective. More than 3,500 trouble free miles have been logged on this machine. This is a very easy and inexpensive way to raise your octane while lowering engine-operating temperatures by approximately 150 to 200 degrees Fahrenheit.
Installation is very easy.
Now you will need a small tank mounted under your hood for the alcohol. The tank should have a fuel shut off. This is very simple and effective, it can be used on any ordinary trail machine to safely boost performance and raise horsepower while lowering temperatures. Each kit comes with a complete installation and tuning manual. Thunder Products provides full time expert technical support for all of their products.