This is DriveShaft Shops bar upgrade for the STI rear axles making them capable of 600hp. The stock inner and outer CV's are made from chromoly but the stock center bar is made from some other cheaper material that is not capable of handling high horsepower applications. You will have to remove the axle ends and re-assemble them on the bars supplied in the kit.
The kit comes with (2) axle bars (4) boots and (8) clamps and grease.
Please be very careful when ordering this part, the different year axles are interchangeable but the bars are not. If you're not sure, disassemble the axle and give us the spline counts.
The Driveshaft Shop axles are rated at 600HP making this a great upgrade for someone serious about drag racing and keeping axles in one piece!
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