{"product_id":"cp-e-ford-focus-st-xflextm-rear-motor-mount-stage2","title":"CP-e Ford Focus ST xFlex™ Rear Motor Mount Stage2","description":"\u003cp\u003eIt is well known that the stock rear motor mount on the Focus ST is a  weak link.  Custom Performance Engineering, Inc. has chosen to think  outside the box on this and come up with a completely new design.  To do  this, \u003cspan\u003ecp-e™\u003c\/span\u003e carefully studied the layout of the stock Focus ST rear motor mount.   Immediately after removing the rear mount it was decided that a better  design could be achieved.\u003c\/p\u003e\u003cp\u003eThe way the Ford \u003cspan\u003eEcoboost\u003c\/span\u003e engine mount system works is that the two side mounts provide a  rotational mounting point and the bottom of the engine is free to swing  like a pendulum if just these two mounts are installed without a lower  engine mount.  Now, if you take the stock engine mount and put it in  place with its horizontally mounted bushing and you apply some power, it  will help stop the engine from swinging but you are now stressing the  bushing in two directions.  These types of bushing are not really meant  for this and they are unable to prevent the engine from forcing the  mount to slam into the frame.\u003c\/p\u003e\u003cp\u003eSo \u003cspan\u003ecp-e™\u003c\/span\u003e came up with a way to stress the bushing in only one direction.  By remaking both pieces of the rear engine mount \u003cspan\u003ecp-e™\u003c\/span\u003e was  able to mount the bushing vertically so that the pendulum effect of the  engine is stretching or pushing in only one direction.    This also  increases the durability of the engine mount substantially.  Orienting  the bushing in a way that allows it to be compressed properly has  allowed us to create a mount that provides a stiffer system without  using an overly stiff bushing.\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ecp-e™\u003c\/span\u003e goes a step  further using EPDM, a sort of rubber bushing.  Urethane begins to fail  at temperatures as low as 200°F and generally the mounts need a higher \u003cspan\u003edurometer\u003c\/span\u003e rated bushing in order for the bushing to hold together.  Our rear  motor mount is a perfect example of when not to use urethane.  The mount  bolts directly to the transmission, transferring a large amount of heat  to the mount and the bushing.  EPDM holds up to this heat, and doesn’t  begin to break down and fail.  EPDM also carries a higher density than  urethane, so the bushing can have a lower \u003cspan\u003edurometer\u003c\/span\u003e rating while keeping a high reliability.  Why is that good?  Higher \u003cspan\u003edurometer\u003c\/span\u003e ratings provide more vibrations through the vehicle and to the cabin, raising the \u003cspan\u003eNVH\u003c\/span\u003e (noise, vibration, \u0026amp; harshness) value within the cabin.\u003c\/p\u003e\u003cp\u003eTo create this mount two blocks of aluminum, starting at 17.1 lbs are  slowly whittled down over the course of a couple of hours in our \u003cspan\u003eCNC\u003c\/span\u003e machine  to a final weight of 2.17 lbs.  This process takes a lot of time but  was necessary to give the benefits that this mount has to offer.  Once  the pieces are machined, the bushing is installed, and secured in place  by the retaining ring.  From here, the mount takes its final step to the  cleaning and packaging department.\u003c\/p\u003e\u003cp\u003eThrough initial testing our mount has shown to eliminate the factory ‘bang’, and the included wheel hop while providing a low \u003cspan\u003edurometer\u003c\/span\u003e bushing in order to keep the in cabin vibrations low.  It is to be  expected that vibrations will be added in some points of the driving  experience, but this effect comes solely from stiffening up the engine  mounting system.  \u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e Billet \u003cspan\u003eCNC\u003c\/span\u003e construction\u003c\/li\u003e\n\u003cli\u003e EPDM Bushing\u003c\/li\u003e\n\u003cli\u003e Stainless Steel Hardware\u003c\/li\u003e\n\u003cli\u003e Vertically mounted bushing increase’s durability and effectiveness\u003c\/li\u003e\n\u003cli\u003e Stabilize the engine rotational movement\u003c\/li\u003e\n\u003cli\u003e Made in the USA\u003c\/li\u003e\n\u003cli\u003e Lifetime Warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CPE","offers":[{"title":"Default Title","offer_id":48141325172994,"sku":"CPE-FDXM00003B","price":319.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/focusst_stage2rmmcover.jpg?v=1784983493","url":"https:\/\/www.lethalperformance.com\/products\/cp-e-ford-focus-st-xflextm-rear-motor-mount-stage2","provider":"Lethal Performance","version":"1.0","type":"link"}