Hood and Spoiler will fit, bumpers will not since the Evo is wider than the Lancer. I believe someone has made the front fenders work, but I'm not sure how that came out.
Duraflex is made of fiberglass, so it's cheap, but prone to cracking and will require some slight trimming to get the kit to line up properly. Plus it can be difficult to repair should you damage the parts, so I would not recommend shelling out a lot of money on fiberglass aero that will be at risk of impact or scraping. I would recommend going with a poly plastic, as they flex under impact and are easier to repair.
I ordered this bumper and am happy with it, though it did not come with clips for wiring harnesses and not all of the mounting points matched up
Not sure if Ikon sells a front bumper or full kit though.
I don;t know about VLand but some people have found that the DRL light tubes in the headlights were rather dim and have upgraded the LEDs to make them brighter, so keep that in mind. If you get them and they are too dim, you can do the upgrade. You may have issues with the LED tails, usually this can be solved with a resistor kit of some sort, check out the forums because I know this has been an issue and has been resolved.
Plastidip will probably hold up alright on the roof, but I'd go vinyl. I got dipped this summer and am not as happy with it as I wanted to be, should have saved for a wrap. Especially if you are going to put on a roof rack, as that may wear through the dip faster than vinyl or paint.
As for painting, I cannot stress enough to use a proper automotive clear coat. Even if you use rattle can enamel for colors, use an automotive clear, I use JC630 (or something like that) which is a medium-hard clear. They make a sprayer called a PreVal that is just an aerosol canister with a reservoir that you can put whatever you want into it and spray like a rattle can, so if you don't have/want to invest in a sprayer kit that is an easy way to go for small jobs. Surface prep is key - clean, then scuff with a Brillo pad, then clean, then clean again - the better the prep the better result you'll see in the end. Obviously true automotive paint will give the best results, but I understand budgeting the job. If you are going to paint, spend the money on the clear coat.
Not sure about Vivid, Avery and 3M are usually preferred. If Vivid has air release that will make your life way easier - you can work the air bubbles out without having to completely pull up the vinyl.
Lots of options, haven't heard of a bad one yet. Be aware of heat in the summer - some of the metal ones get rather hot sitting in the sun.
Not my field of expertise
Borla, Greddy, Injen, Tsudo Racing are common exhaust brands. You can also go with cheaper mufflers and/or resonators and build your own system. Be sure to get the exhaust that matches your model year - exhaust routing changed between 2011 and 2012 for our cars and I don't know if the 2017 model has any changes itself.
I would say keep a resonator - that should help you avoid being too ricey. Check out Youtube for sound clips and there is an "All About Exhaust" thread on here that can help you decide.
Mag style lugs or gold wheels? Either way check online, there are lots of options out there. Amazon and Ebay have a bunch of lug options
Rock on man, keep us updated