Ford Mustang Cobra 1999-2004 GForce Performance Outlaw Axles, Left and Right, Upgraded Outer Stubs

All Cobra axles are designed to work with a 31 spline 03/04 Cobra style differential and the factory 28 spline wheel hubs. Explorer differentials require a different stub/seal and are not compatible, but we do have Explorer specific stubs available by request!

Our axles use an exotic steel alloy on the outers that allow us to use the factory 28 spline wheel hub, but still have increased strength. All Cobra axles include the inner ABS rings.

Average customer is around 700hp, but we have quite a few customers running 1000-1100hp with less than a handful of documented stub failures. Important to note that any axle can fail at a lower power level due to wheel hop or misuse. The listed numbers should not be an expectation, but an idea for capability.

Features:
Anti-Wheel Hop Technology
Direct Bolt-In Fit and Finish
31-Spline Severe-Duty OUTLAW CV’s
Isotropic Surface Finish on CV’s and CV Internals
Upgraded Premium CV Fasteners
1-Piece Inner and Outer Stubs
Aircraft Grade Certified Alloys
CNC-Machined
Powder Coated Axles For Corrosion Protection
Black e-coat finish on inner and outer stubs to protect against harsh conditions without impeding spline engagement

*All Cobra axles are designed to work with a 31 spline 03/04 Cobra style differential and the factory 28 spline wheel hubs. Explorer differentials require a different stub/seal and are not compatible, Requires 31 Spline Differential*

Damage Prevention
NO DRIVELINE COMPONENT IS BOMBPROOF! GForce does not put a power rating on any driveline components as there are entirely too many variables that can affect a driveline component other than just horsepower. We take great pride in building the strongest driveline components to fit certain applications, but it is important to know that YOU, the end customer, are responsible for proper installation and YOU, as the driver, are responsible for the lifespan of your axles or other driveline components.Most of the applications we are working with are heavy vehicles and we are often asking a lot of the driveline components, be it OEM or aftermarket. These heavier cars, paired with high torque levels make all driveline components more susceptible to failure due to small mistakes, such as wheel hop. Many customers understand that wheel hop, tire shake, tire skipping, tire chatter are all bad things but there is often a misunderstanding of how destructive it can really be. The heavier the vehicle and more torque the vehicle is making, the more your window of forgiveness begins to narrow. This can result in CV’s loosening prematurely and more severely, splined stubs and axle bars twisting or shearing, which is NOT a fault of the axle. So please use your best judgement when driving in any given scenario, be it on the track or the street.

It is worth noting that most wheel hop related issues rarely cause an immediate failure, with certain exceptions. The result of repeated cycling torque spikes will often weaken the material of a given component such as an axle bar or stub shaft. Then each subsequent hit will continue to weaken the component until it fails completely. If you know that you have driven through a particularly abusing situation, it would be wise to pull the axles and assess the splines of the inner and outer stub shafts as a maintenance procedure. If they have started to twist or shift, then you might be able to prevent a more catastrophic failure. We encourage all end users to read up on the appropriate measures that they can take to help prevent wheel hop with their specific vehicle. This can be anything such as aftermarket bushings, shocks, springs, control arms, tire type, or excessively low tire pressure. Two of the most fundamental pieces we look at to help control rear end movement and prevent wheel hop start with the cradle and differential bushings. Both of these bushing sets are often very soft from the factory and although they provide smooth ride quality, they allow a considerable amount of movement in a performance scenario. Which can lead to a number of concerns or issues.

If you have any further questions please email us at [email protected]

Lowered Vehicle Information
GForce axle shafts were manufactured based on OEM suspension. Aftermarket shocks, control arms, etc. may present clearance issues. If CV boots have clearance issues, low profile boots can be purchased at an upgraded cost. The low profile boots reduce the amount of available axle angle in comparison to the standard boots, so they are not ideal for lowered or high axle angle vehicles. If you have questions or would like to add low profile boots to your axles, please contact us for more information.

Maintenance Information 
All driveline components will fatigue or wear over time depending on how the vehicle is driven and what level of performance is demanded from them. CV joints are a wear item and will see wear over time, but with our current design, axles can be sent in for service. So boots, fasteners, and CV assemblies can be serviced without scrapping the complete axle assembly. It is up to each customer to establish their own maintenance intervals based upon the manner in which their car is driven. Individual inner or outer splined stubs and axle bars can be replaced as well if they twist or are damaged due to wheel hop or simply from power levels exceeding capability of the material.

TREperformance is an Authorized Priority Dealer of GForce Performance Engineering.