acroadam
11-13-2007, 11:18 PM
Im new to mazdspeed protege . . im about to purchase one, and it has 93,000miles. the engine mods is a HKS blow off valve, and cold air intake.. i test drove it, and it drives nice. But it idles ruff. I was reading thats what they do?? any info on what u think.. thanks a lot.. adam.