scooter here! brand new to this forum. I have a 2005 dodge ram hemi 1500 5.7 4x4 sport with daytona package no wing. leveled with rough country shocks. 2500 lbs rear suspension. 35 inch nitto terra grapplers. truck has 95,000 miles. put 5000 miles on it last year. most miles put on truck towing a 2 place snowmobile trailer from southern il. to the U.P. of michigan. i love this truck. it is the best towing truck i have ever owned. exhaust manifold bolts are rusting off. so i am thinking all bolts need to be replaced. thinking about doing some mods. so here it is. street shorty headers, flowmaster exhaust ,diablo tuner gauge monitor,programmer,knn cold air intake, taylor intake spacer. looking at about a 2500 $ bill to get these mods done. heres my ?. are the mods worth it, or is it time to buy a new truck ? any input will be greatly appreciated.