In the short run, it will improve your wallet's ability to close easily due to less cash being in it. In the long run it can be used as a reminder to not put anything on a marker other than a barrel, gas system, hopper, and reg.
Psycho has improved on the stock Tippmann power tube and front bolt. It's very smooth using a teflon coating. This upgrade will improve air efficiency and should increase cycle rate. This one fits the older Model 98s (not the Custom).