I'm replacing my OEM coilpacks but torn in between two brands.
Which of the above is the best as regards performance and value for money. I know a little about splitfires but know zero about yellow jackets as i have...
any feedback regarding using the safc2 in with the rb26dett or should i just save up nd buy a proper management..ie powerfc etc? problem with that is who can i trust to tune the car?