I'd say keep it since original lip is hard to come by and it's freshly painted. Brand new is over $600 a pop!! The cheapest knockoff Mugen lip is only hundred plus so just get it and save the CTR lip as a spare. You might get tired with the Mugen and realize that the CTR is better. It's original lip after all.
Upon some request from Fairlady club members, here in sticked a thread to post link, i repeat "Links" only. However the original sales thread shall remains in Marketplace according to...