marks full mod ...mine was a pre run tuned so it hasnt been modded .....here ya go ....read alot of good things about mark ...he has some radical ideas that are backed up by fact ...in stead of just my motors are the baddest ones on the block mentality ...hes done a hand full of the extechs and is getting great results ...against fully modded eb extechs ....he has only done his race port on the extechs ....mine he said will be the first to get the full mod heres his site and you can see what he does ......

www.powerhousercperformance.com

i have not seen a bad comment about his mods anywhere ....lemme know what ya think...and p.s. his customer service is the best i have exp. in rc ...well except for your quick response to my pm