HPI RS4 SPORT 3 MUSTANG 2015 Drift Build, toughts, suggestion, general chat.

Hello all! 

my second RC (HPI RS4 SPORT 3 Mustang 2015)


Waiting for it to arrive in mail. i want to do some drifting with it during summer, i also want to have it ready for winter. Suggestions?  
what do people think of it, i found it hard to find much information about builds and people that bought it. so im looking forward to hear from you


This is what i have ordered. ( i was unsure off what to get so i bought diffrent wheels)
HPI 4790 X PATTERN RADIAL TIRE 26mm D COMPOUND
HPI 3288 Work XSA 02C Wheel 26mm Chrome/Black (9mm Offset)
HPI 4427 LP29 T-DRIFT TIRE YOKOHAMA ADVAN NEOVA AD07 (2pcs)
MaxPower lipobatteri: 7,4v - 35C - 2S - 4200mah - T plugg
HPI 113717 Spec-Grip Tire 26mm (K Compound/2pcs)
HPI RS4 SPORT 3 2015 FORD MUSTANG RTR SPEC 5
HPI 3592 Work Meister S1 Wheel 26mm Chrome (6mm Offset)
EV-Peak C1-XR 100W 10 Charger 

What do you think? 

this is some option parts, ive been looking at. What do you recommend? 
#114436 - 40T SPOOL SET   to lock the rear diff.  
#114437 - UNIVERSAL DRIVE SHAFT SET  
[b]#114435 - ALUMINUM SHOCK SET (4PCS)
#114432 - CENTER DRIVE SHAFT COVER SET
[/b]#114433 - SHOCK TOWER (FRONT/CARBON
#114434 - SHOCK TOWER (REAR/CARBON 

I cant afford much more atm, so what is most important? 

Thanks for feedback!