Overheard a guy at the gas station in Flagstaff say 'if it ain't broke, you haven't modified it enough' and honestly... he might be onto something. | 4x4 Builds - nhfree.com
Modifying stuff that works fine just seems like a good way to create new problems. Some people chase perfection and end up breaking a perfectly good thing.
Remember my buddy who "improved" his reliable old truck? He added a lift kit and bigger tires, and now it rattles over every bump and gets worse gas mileage. Sometimes the fix for nothing being broken is just a broken wallet.