12s definitely makes the ignorant jump! It's a sound that can be heard from across the LHS when it's plugged in.
Getting rid of that spark reduces one of the "coolness" factors of HV IMO
SH Z-Car, Custom Crawler, 8s Savage,
12s XTM XLB 1/7 buggy,
4wd 4-link rear/IFS Pro4 truck,
Custom Hyper 10 Short Course,
Belt-Drive Mammoth ST 1/8 truggy, 4s 17.5 MM Pro HPI Blitz