Commuter System

Commuter System

From: $3,255.00

Signature Shock Tuning in 2.0″ IFP Shocks provide users with a comfortable, vastly improved on-road ride.

Front Lift Rear Lift Front Travel Rear Travel Shock Diameter Tire Fitment
3.25″ 2″ 9.6″ 9″ 2.0″ 37″ x 12.5″

Compatible with Factory Rear Air Suspension ONLY


Lead Time: Fox is struggling with production, that a simple statement to describe a very complex problem. We’re looking at early 2021 before Fox will have the bandwidth to approve our custom shock prints for production – from this point, it’ll likely take 3-4 months to produce.


Mid 2021 is our estimate on these Fox Kits. This is the downside to running proprietary shocks, lots of red tape and hoops to jump through BUT we will have, by far, the best riding – most refined and complete product offerings available for this specialty model.

SKU: CS-DC20-1419-D-AR-CONFIG (14-18) Category:


3.25″ Commuter System

3.25″ Leveling Coil Springs: Your truck will sit 3”-3.5” higher in the front (cab configuration dependent) with 50% more suspension travel than the factory platform thanks to the taller, lighter rate coil springs. These springs are shot-peened, pre-set and powder coated to ensure optimal performance and finish longevity!

Front, Adjustable Track Bar: When lifting the front end of a straight axle truck, the front axle is pulled off-center unless the proper linkages are addressed. Three inches of front lift equates to an axle shifted toward the driver’s side ¾” and, in the radius arm equipped Rams, lightened caster and slight rearward axle shift. This system includes an Adjustable Track Bar to push the axle back toward the passenger side and provide a stronger link with less deflection for the lifted application.

Front Bump Stop Drop Brackets: Ensures proper cycling of the front suspension withe the extended travel shocks provided.

Radius Arm Drop Brackets: Ensure perfect caster alignment (no need to max adjustments), correct geometry and spring pressures ensuring no bow in your coil spring.

Choice of Torsion Sway Bar or Drop Brackets for the Factory Sway Bar: When pairing added down-travel with the taller ride height, the position of the factory, front sway bar will need to be altered as well. For this, we offer two options; Billet Sway Bar Drop Brackets or the replacement Torsion Sway Bar. The Billet Drop Blocks shift the sway bar down and forward to ensure the factory end links cycle properly throughout the entire extended travel range. Carli’s optional Torsion sway bar removes the entire factory sway bar assembly replacing it with a torsion bar supported by fabricated drop brackets and delrin bushings. Fabricated sway bar arms and dual 5/8” FK heim end links round off the package. This is the single best bang for the buck, ride-quality upgrade offered by Carli Suspension.

Shock Package: Front and rear Fox 2.0” internal reservoir shocks, we’ve developed a Carli Signature shock tune maximizing the ride quality of the factory airbags delivering all around comfort and ride quality designed for on-road, in town, highway, and towing/hauling. The Fox 2.0s are fully rebuildable, built with hourglass bushings and boast extruded aluminum construction with a clear anodizing for corrosion resistance. Fox builds these shocks with their legendary red shock oil that flows well down to -55* F. This system was tuned with factory 20” wheels on factory tires.

Rear Track Bar Drop Bracket: Drops the factory rear track bar to be as flat as possible at the center of travel ensuring minimal “yaw” – side to side wag of rear suspension during the suspension cycle.

Rear Extended Sway Bar End Links: Accommodates the dropped geometry of the rear end.

Airbag Spacer: Ensures proper airbag position for lifted height.

Extended Rear Sensor Link: Full Metal (steel ends, aluminum body) Links to set the ride height.

Rear Bump Stop Drop Brackets: The bump stop drops work with the airbag spacer to ensure the bag is protected in its new position.


The detailing in the Ram 2500 Air-ride write-up in the Media Section describes the air-ride specific components in about as much detail as they can be described. The link construction for the 3.25″ Systems is the same as the Leveling, just a different length. Same goes for the bump stop drops. The spacer construction is simpler on the 3.25″ system as we’re able to utilize the factory stud on the airbag to mount it to the spacer AND bolt the spacer to the axle without the two fasteners interfering.

Fun fact: Ram only uses one nut to secure the airbag to the axle on the Driver’s side – there are two studs on the bag and there’s sufficient room for a nut but neither truck on which we designed these lifts came with a nut on the front stud of the driver’s side. For good measure, we’re going to provide one.

We will be offering these systems for the DIESEL ONLY!

The air-ride Platform is amazing in its own right. For the HD truck owner who prioritizing hauling over all else, it’s the clear choice. Both lift height we developed maintain perfect functionality of the air suspension (load leveling and alt. trailer height) so the end user is only left deciding which lift height better suits their application.

The 3.25″ System offers better front and rear geometry with less yaw (lateral suspension movement) all while boasting more front suspension travel. The Leveling system offers a more budget minded solution designed to squeeze the maximum performance of which the factory geometry is capable.

Wheel and Tire: This truck is running aftermarket Raceline Wheels wrapped in 37×12.5″ Nitto Ridge Grappler Tires.

This system will fit up to a 37” tire when utilizing wheels that are no more than 9” wide with 5.75-6” of backspacing. A 12.5” wide should fit with no rubbing on the factory radius arm and only minor trimming required, while a 13.5” will require more trimming and slightly more offset to fit properly. 35” tires will fit with VERY minimal, if any trimming. We Recommend running an 18” diameter wheel for optimal ride quality (more rubber = better small bump compliance) on a 35”-37” E-rated tire running 45psi front, 40psi rear when unloaded. For more details, see our article on wheel and tire selection and tire pressures:

Tires and Wheels: How Do They Affect My Ride?

Vehicle Fitment

Weight 224 lbs

Product Instructions for CS-DC20-1419-D-AR-CONFIG (14-18)

Base Kit Instructions


Product Media for CS-DC20-1419-D-AR-CONFIG (14-18)

Media is not available at this time.


Cancer and Reproductive Harm

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