The Cobra IRS Differential cover is cast in aluminum, a material prized for its unique property of strength without the weight of steel or cast iron. Yet aluminum is not as flexible as steel, so when you push your Cobra to the limit in the corners, you may be applying enough force to twist the cover beyond it's ability to flex. Repeatedly doing this causes the metal , with the result show below, left.

Without resorting to a replacement cover made entirely of steel or iron, the engineers at Steeda designed the steel brace shown in the photo below, right. By mounting with 6 bolts (supplied) where other designs use 5, the Steeda Autosports Cobra IRS Differential Cover Brace provides 20% more points of attachment, yielding greater strength and safety. Installation is straightforward using the supplied hardware, and the we have even thoughtfully included a hole to permit easy access to the differential fill plug without the need to remove the brace.