Roush Phase 2SC since 2017 daily driven. My advice is make sure you want to drive the car long term because you won't get good return at sale. Secondly, just know that with higher power, you might spend substantially more than the cost of the power booster on other mods to support that power...
Could be clutch, but mine still had some shutter after going to the McLeod RXT. Try also raising the hood so you can see engine movement at takeoff just a few ft of movement you'll see it, the factory mounts are soft, I went with UPR and dropped motor 1/2 inch, feels way better now
CJ Pony and Steeda make billet ot other parts to replace the cheap plastic insert, I added an extra amazon o ring below and it won't rattle and drive you nuts, one of my favorite modes beside the and stainless brake lines
I replaced mine on 2015 GTPP, very pleased for $20 and bought another set cause I'm keeping the car possibly forever withhttps://a.co/d/5https://a.co/d/5rkN4OZrkN4OZ