Expert Review: Quadratec ST2 2.5” Suspension Lift by Teraflex

by Matt Konkle
Managing Editor

Comfort level.

When you head off-road and encounter obstacles, a good spotter will always ask you about your comfort level.

Are you good? Are you not good?

What are you feeling and what’s your comfort level?

Sure, there are plenty of lift kits out there that will give your Jeep more ground clearance, but not all of them are designed to give you that comfort level you may need to achieve your off-road goals.

So, having a properly lifted Jeep with quality components can send your comfort level soaring. We’re talking stuff like perfectly tuned springs and shocks, beefy control arms, adjustable track bar and sway bar disconnects for superior tire articulation.

Well, after spending an entire Easter Jeep Safari week wheeling with the Quadratec ST2 2.5 inch Suspension Lift by Teraflex in our 2024 Wrangler Unlimited 4xe, I can definitely say I have a huge comfort level with this lift kit.

This Quadratec ST2 Suspension Lift by Teraflex includes Falcon SP2 monotube shocks, which are adjustable, meaning you can set them into soft mode for better control over rough terrain, or performance mode for superior on-road ride quality. That alone puts this kit into an entirely new stratosphere.

It allows the kit to find a nice sweet spot: enough height to run up to 37-inch tires and get through gnarlier trail sections, but also the ability to retain street manners and a ride quality you’d expect from a brand-new JL right off the lot.

The included progressive-rate coil springs provide a subtle performance that feels anything but jarring, and the Alpine IR adjustable track bar and front lower control arms help preserve proper suspension geometry, crucial for keeping that factory steering feel intact.

Additionally, the provided front and rear Falcon bump stops provide additional protection during harder compression and rear sway bar end links improve suspension performance.

And for those with a thirst for versatility, this system also has options for both 3.6L and 2.0L gas models, so you won’t have to compromise capability no matter what powers your Jeep.

So what is actually included in this kit?

Here is what you get out of the box: Front & rear coil springs, those Falcon SP2 2.1 shocks, Front lower control arms, Adjustable front track bar, Front & rear bump stops, Quick disconnect front sway bar links, Rear sway bar end links as well as all required installation hardware.

Each component is engineered not just for compatibility—but for cohesion. This is a true system engineered to work together, delivering ride quality and off-road performance that performs far above its price point.

As far as kit size, a 2.5-inch lift may not sound extreme to seasoned off-roaders, but this suspension lift proves that well-designed parts, built around real-world use, can make all the difference in your comfort level no matter what trail you ride.

We took our Wrangler 4xe all across Moab, Utah for EJS this year, riding through Hell’s Revenge, Fins and Things, Metal Masher, Top of the World, as well as Wipeout Hill and Steelbender. And the Quadratec ST2 Suspension Lift by Teraflex exceeded all expectations. They say it has ‘Optimal performance in the most demanding conditions’, and it definitely delivered.

So, for Wrangler JL Unlimited owners who want trail performance, highway comfort, and long-term durability—without sacrificing factory drivability—the Quadratec ST2 2.5 inch Suspension Lift by TeraFlex hits every mark.

It’s not just about going bigger. It’s about going smarter. And providing more comfort.

Key Features & Benefits

Exclusive Collaboration

This lift kit is uniquely designed by Teraflex exclusively for Quadratec, combining the expertise of two industry leaders to deliver unmatched quality and performance for your Jeep Wrangler JL Unlimited.

Enhanced Off-Road Capability

With a 2.5-inch lift, your Jeep gains improved ground clearance, allowing you to tackle more challenging trails and obstacles with ease. This lift kit ensures your vehicle is ready for any adventure, from rocky terrains to muddy paths.

Falcon SP2 Shocks Included

The kit features Falcon SP2 shocks, precision-engineered for specific vehicle and lift applications. These shocks provide race-inspired performance and comfort, ensuring a smooth and controlled ride both on and off the road.

Precision Engineering

Teraflex is renowned for its precision-engineered components, and this lift kit is no exception. Each part is crafted to the highest standards, ensuring durability, reliability, and optimal performance in the most demanding conditions.

Comprehensive Kit

The Quadratec ST2 2.5-Inch Suspension Lift Kit includes all necessary components for a seamless installation, making it a convenient and complete solution for upgrading your Jeep's suspension system.