Texas Mile Record Holder
Texas Mile Record Holder for CTS-V's at 192.6mph with a Howerton Engineering prepped HFS-4 kit.

CTS-V Kits

Specialty Items
Full selection of custom components for extraordinary installs.

M5 System

C6 Twin Turbo
Custom HFS-6 Kit to support 1500hp+

1500 HP Power

C6 Twin Turbo
Full custom system setup and support.

LS Motor

Bespoke Kits
Handcrafted products for the most discriminating enthusiast.

One-Off Fabrication

Aquamist Systems
The finest in the industry
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 Tank Systems
Custom Fitted Tank Systems
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.
Quick Links
All the info you need

Manuals

Installation FAQ

Calculating Jetting

Setting The Failsafe

System Comparison

Alcohol FAQ