poly bushing question 350Z/G35 Coupe Home › Forums › Member Chat › Tech Chat › poly bushing question 350Z/G35 Coupe This topic contains 0 replies, has 1 voice, and was last updated by Glenn Green 1 year, 4 months ago. Author Posts 07/01/2017 at 2:49 pm #27657 Glenn Green I have a g35 coupe with 65k miles on it. I wanted to ask if anyone has installed energy suspensions “hyperflex master kit” and what their opinions were of the kit were after the install. I got an estimate from Infiniti of Denver to install the kit, the car is sitting there for 3-4 weeks waiting on a gauge cluster to be reprogrammed, and they quoted me $2500. As much as I love this car and would like to freshen it up, I have a hard time spending a quarter of its value on installing new bushings. Any advice is appreciated Glenn Green Denver Author Posts You must be logged in to reply to this topic.