poor car...your going to ruin her with all that ****...those cars are about one thing and one thing only...power...not bling, not boom...just power....i love pulling up to any modern day car with my 71 charger with a 440 v8...c5 zo6 and c6 (non z06) just my afternoon snack...what she really likes is cocky snot nosed ricer with their bumbble bee exhaust...haha...muscle cars are about power and beauty...it ***** ur gunna put all that boom in her trunk...she will prolly fall apart ha...plus youll have to revamp the whole electrical system to get anywhere near the amount of power youll need for 3 18s...atleast you'll have plenty of traction with a added 300lbs in the trunk...if i were you i would check that trunk with a tool called SpotRot to make sure you have no rusted thin areas