At a recent track day I'm getting issues with the back boxes moving laterally under heaving corning and the tips have started to melt the bumper...
I've found these from a quick search, has anyone tried them to limit movement?
https://www.powerflexsuspensionbushes.co.uk/powerflex-black-series-exhaust-mounting-bush--bracket-exh034blk-bmw-z4m-e85--e86-2006-2009-112059-p.asp
Gratuitous Zed on track photo

Thanks all
I've found these from a quick search, has anyone tried them to limit movement?
https://www.powerflexsuspensionbushes.co.uk/powerflex-black-series-exhaust-mounting-bush--bracket-exh034blk-bmw-z4m-e85--e86-2006-2009-112059-p.asp
Gratuitous Zed on track photo

Thanks all