Thanks for the suggestion. Well there is a "BT Tech" unit offered in US Prius chat sites. However, upon my enquiry they declined to deliver outside the US. Whether you would consider it a performance part depends how much you like scuttle shake. I personally have never experienced it in a sedan car before, only in convertibles. I actually dislike convertibles because of their obvious lack of rigidity. Many manufacturers that offer convertible versions of sedans or coupés put softer springs in the convertible versions for precisely this reason. The Prius does not have particularly firm spri