I need too ask y'all a few questions. (1) Any problems getting at the spark plugs when it's time too change them ??? Some headers are a b*tch too work around. (2) Any problems with clearence around suspension, or cross members, even with or with out lowered T-case ??? (3) Did you run into any problems installing your Tri-Y's or exhaust, if so, please describe what. Any after thoughts you'd be willing too share ??