Probably a good idea for longevity. Does eliminate one of my favorite jackstand point though!
(https://mazdamotorsports.com/wcsstore/B2BDirect/wordpressimages/2017/04/subframe-braces-1024x471.jpg)
QuoteThe braces weld into place in between the lower control arm mount and the main body of the subframe and have a large dimple die hole in the center of them to help give them strength and also serve as an inspection hole for tech to be able to see the original OEM subframe welds.
https://mazdamotorsports.com/webapp/wcs/stores/servlet/DisplayRacerStoryView?uniqueId=11509&storeId=10001&catalogId=10001&langId=-1&source=STORY
QuoteFront subframes may be reinforced by use of Mazda Part #0000-04-5989 (Subframe Reinforcement). If installed, the Subframe Reinforcement shall be welded around the perimeter only. No other modifications to subframes are permitted.
http://cdn.growassets.net/user_files/scca/downloads/000/021/382/GCR-_Updated_May_2017.pdf
Who wants some?
Chris