Ok, so I finally got my parts car delivered. 98 DX coupe. 4" adjustable coilivers, (which I posted a reply in another thread about, they really need to be adjusted) full exhaust, (which will also need some customizing) short shift, some other added interior extras. with only 70k on it. I stole it for 200 bucks, totaled. Bent frame in a front end collision. Still has the $500 carbon fiber hood...cracked almost in half

The engine is in perfect running condition. I plan on taking the engine and transmission out and and doing a mini me swap and putting it into my 98 EX Sedan. I know I have to make some adjustments for the knock sensor. My question is about the transmission. Is there any real differences in the transmissions between the DX and EX? If so, what am I to lose? Should I go through the trouble of swapping them out? Also, any other suggestions before starting on this project? I'll post pics sometime soon. The recent ice storm set me back a bit, and it couldn't have come at a worse time.
The guy I purchased the car from, said he would sell me the body kit he took off the day before the accident. Are the bumper covers and side skirts the same size from the coupe to sedan? I would assume, the bumper covers are, but I'm not sure about the side skirts. Sorry for the abundance of questions. All help is greatly appreciated.