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Message: <blockquote data-quote="CobraEd" data-source="post: 1484611" data-attributes="member: 24078">I installed the complete FTBR treatment on my 03 Cobra which had MM coil overs with Bilsteins when I bought it but it still had rubber stock rubber bushings in the IRS.  With the rubber bushings wheel hop was a big problem.   Additionally, it had a bumpsteer problem where the rear end would kick out unexpectedly in turns that even my Prius would easily handle.  Installation of the completer FTBR treatment & bumpsteering the IRS gave it precision, immediate response to steering inputs, & complete predictability.  A complete transformation.Especially since you are planning on Coyote swapping next year, I would strongly recommend that you go with FTBR Delrin kit including the bumpsteer toe links.  You will benefit greatly from the precise control that Delrin & mimimizing bumpsteer offers.  Note:  You need to measure bumpsteer with a bumpsteer gauge, not just eyeball tie rod and control arm angles, in order to know if you have the bumpsteer curve optimized.</blockquote>