This modification to be done is very easy.
You can add a bar and weld it on ej9 chassis on the parts 12 and 13 on the picture
There is no need to buy any new part.
But in case you want to buy new stuff the part number for this is 71140-S03-Z00ZZ
number 5 on the picture.
To unbolt this bar is very easy too, just take off the 4 bolts with number 29
http://www.crxsi.com/jdm/ek9-1004248/Up ... umper1.htm
Who have Civic `99-`00 are lucky because they have already a protection bar that works aslo as reinforcement bar too, number 8 on the first pic or number 4 at the second pic
Here is a`96-`98 model that add a bar from `99-`00 civic
All USDM spec civics have these bars `96-`98 and `99-`00 models