Features:
Driect Spark Discharge on the plug. Twin spark for each cylinder
cycle.
Torque improvement:same A/F ratio can build more torque.
Fuel efficient:same engine condition, same A/F ration can burn more.
Fuel saving:can build same torque with leaner A/F ratio.

For HONDA old cars, converter for distributor, become direct fire to
spark plug.
No ECU change requirement. A controller do all the jobs.
All parts are made in/shipped from Taiwan.

Watch the YouTube video, and you will understand.
B16A DSD-2
http://www.youtube.com/watch?v=m9cyotyFQIU
http://www.youtube.com/watch?v=RL9-UXpMaYI
http://www.youtube.com/watch?v=CJspLzu4edA

H22A DSD-2
http://www.youtube.com/watch?v=mRXDa12Z_p4
http://www.youtube.com/watch?v=f67ydDK8Ryc

Installation accessories for some SOHC engine models also available.
Contact me with email simon@car-hacker.com if you are interested.
Sales, redistributors, brokers, group buy are also welcome.