Your search for stealthmod returned these articles:

We discuss three approaches to upgrading the performance of the factory stereo system in a truck. Specialty products from Kicker and JL Audio make it possible to keep your factory radio and features, but give your audio system a complete overhaul.

JL Audio's StealthMod gives you superb JL Audio sound without giving up your factory controls. This package allows you to replace the front door speakers and increase the overall power in your system, bringing excitement, impact, and a new clarity to your music.

Upgrade your car's sound
by Buck Pomerantz

Factory stereo systems leave a lot to be desired. This problem now has some solutions that let you keep your factory stereo and get spectacular sound, customized for your specific vehicle. The four upgrade systems we discuss in this article improve the factory sound of different vehicles in different ways.

2010-2013 Kia Soul
by Jon Paulette

Once known for churning out unremarkable cars with remarkable warranties, Kia has come a long way in a relatively short time. The Soul is a nifty, fun-to-drive little box with a style all its own, but you still get that remarkable Kia warranty.