KONI's are discontinued for the MN12.
Do this: Tokico's in front, Bilsteins in back, fresh bushing all around. Get as many of the solid bushings from Jay as you can. See this thread
Get the Vogtland springs you mentioned, a 1-1/4" ADDCO bar in the back and call it a day.
There may be other recommendations for front shocks but this will get you a solid performance suspension.
Mods? Yea, I got mods ...
Air silencer delete, warp drive, dilithium crystals, flux capacitor, Slingshot Rubber band power adder, Moonshine & Gas, Leaf Blower Supercharger, Hamster Wheel & Hamster, Energizer Bunny generating 1.21 gigawatts, Mr. Fusion® Home Energy Reactor, hover conversion and a sextant celestial navigation system (The original GPS)
Best 1/4: 1,320 nanoseconds @ 670,616,629.2 miles per hour
"There isn't that much difference anymore between spacecraft, aircraft and modern automobiles..." - Keith Henry, NASA's Langley Research Center
See a list of my real mods and pictures of my car HERE
. The true performance of my car was made possible by the Carolinas Crew Chief, RobertP
at Rob's Tire & Auto