What about these?
Plasma Direct Ignition Coil Pack (PACK OF 6) Porsche 996/997 & Boxster 986/987 & Cayman
"...The spark amperage is increased by 100%, allowing the spark to reach many more molecules, which therefore accelerates the ignition and combustion processes. This is extremely important in forced induction applications, but also improves the performance of normally aspirated engines.
The Plasma Direct will increase horsepower and torque throughout the entire RPM range, as well as reducing fuel consumption. Even engines with legendary smoothness will be further refined with the Plasma Direct upgrade. Plasma Direct coils are OBD II compliant. ..."
Good stuff (i mean technically, not talking about value for money)?
