I was wondering which one would be the better option the splitsecond http://protegegarage.com/866-splitsecond-air-fuel-controller-protege-and-mazdaspeed-protege.html or the aem f/ic 6 http://www.aemelectronics.com/engine-management-systems-9/fuel-ignition-controller-f-ic-12/ I'm looking to fix the hesitation issue.