Do I have to/Should I lubricate new stabiliser bar bushings?
LEXUS IS I (JCE1_, GXE1_) 3.0 (157 kw / 213 hp) (09.2001 - 07.2005)

Despite the number of disputes on the Internet, the majority of car manufacturers recommend lubricating rubber and polyurethane bushings. This increases their service life and prevents knocking when driving a car. It’s essential to choose the right lubricant and apply it properly. The silicone-based grease suits best in this case. The procedure is rather simple, so you can do it yourself (source: without specialists).