I am currently working on some neat detail parts to enhance your N-Scale motive power.
I will add the following parts to my catalog later this, all parts are curently beeing proof tested but here is a sneak peak :
Nose bell for ATLAS GP9
Steam generator exhaust and intake for ATLS GP9
5 chime horn for ATLS GP9
Replacement Tank with siede tubes and frame skirt for ATLAS GP9
Curved exhaust stacks KATO NW2 (not shown)
Replacement dual headlights including lens for KATO NW2