Don’t fit one! The car vibrates at idle and even more when your reversing. It does stop the wheel hop under acceleration, but the times that happens compared to the constant vibration just aren’t worth it.
I fitted a yellow one to mine and the thumps on the suspension got worse. I’ve fitted VWR/Racingline shocks to mine 6 months ago, with the Powerflex, they made no difference! I took the Powerflex off and the car was a lot better. Unfortunately the car is going to have to be sold soon, so the shocks and HR spring are coming off as Webuyanycar don’t want it with them on! Oh and the Scorpion rear exhaust will be off as well if anyone wants one!