My original Cat SX PB is still going strong. I,ve run mine outdoors and indoors for two years and only had the usual breakages, ie wishbones and shock towers and I,ve smashed 1 front diff outdrive. I,ve not had a problem with the diff tops though and not through lack of big crashes! I would struggle to replace it because I run a Cougar in 2wd and I only have stick Li Po's. Its a great car but does benefit from the big bore shocks. Its still very competative and great to drive at club and regional level.
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