My e-maxx is too heavy...

[jalodo56]

hello I have an e-maxx that weight 13.2lbs rtr, with FLM chassis and Hybrid Bulks with 1/8diffs, and have 1/8CD, the e-maxx have all of rpm parts, and have 4 shocks of front buggyes, and 4 bigbore traxxas with big wheels.
The truck run with a neu 1515 2.5d on 5s 5000mha with ezrun 150A it is gear for 45mph. The motor is enough?? What can I do for reduce weight?
regards