do the Nology Power Core Coil Amplifier and the sparkplug boot inserts really help? I saw them on rksport and decided that the inserts arent to exspensive but the coil amp is alittle pricey if they dont really help much. Curious if anyone has personal experience with this.
depends on what you have done/will do immediately to your engine. why do you need to change your spark? if you can't answer that question, you don't need them.
same rules apply with anything. like, why do i need to supercharge my engine? or why do i need to open up my exhaust?
