just had a full system installed at Showtime Audio in chicago on North Ave. 3000 watt 4 amp install and maintaining factory integrity and a stealth appearance with the install of all new speakers and a custom sub box and a jbl ms-8. Jerry, the owner, was fantastic!! he KNOWS his stuff, did tons of customizing so that not a single factory wire was cut and only 3 holes drilled in the sheetmetal in total (2 to bolt the custom amp rack in and one for the 1/0 power wire). i could not be happier and HEARTILY recommend Showtime and jerry for anyone looking for an install in the chicago area!!!