Increase the interior cargo space with Cargo-Max. STi’s patented brake & rim design allows more space between the interior fender wells of the trailer.
STi’s custom-made approach allows you to install your suspension without the usual hiccups associated with ill-fitting components that don’t match the existing trailer.
Superior Ride Control
Without question, the patented technology of STi’s independent suspension delivers superior ride control, side-to-side load leveling and axle-to-axle load distribution.
One of the unique characteristics of the STi air ride suspension system is its fully independent wheel design. The independent wheel suspension will make the difference for your maintaining control of your trailer.
Improves Ride & Handling
Custom Made For Your Trailer
Constant Ride Height
Independent Suspension Keeps Load Level
Improves Tire, Wheel & Bearing Life
Steve C., Sundry Racing
What an improvement. Can’t say enough about it. Makes the whole rig run better.