Aquamist systems are the gold standard by which all others are judged. Built upon the principles of PWM injection, the Aqaumist lineup stands alone in the water injection industry as the most capable systems at any price point.

Aquamist HFS-4 / The most capable system.

Aquamist HFS-3 / Workhorse of the industry.

Aquamist HFS-2 / Best in class performance.

Howerton Engineering tank systems are designed to be the best performing tanks in the industry. Designed from the ground up to have the best fitment and performance capabilities possible, these tanks are built to perform. Don't handicap your system with a tank that promotes air injection into the pump, leaning out your enigne.

Manuals

Installation FAQ

Calculating Jetting

Setting The Failsafe

System Comparison

Water vs Methanol