do you need a fpr with I/H/E and a high flow cat
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do you need a fpr with I/H/E and a high flow cat
I was just wondering if it would really be beneficial to add an adjustable fpr with these mods, and what should I set the pressure at if I was to add one. I changed my plugs yesterday and they where a light grey/whitish color. My current mods are aem cold air, apexi dunk 115 cat back exhaust, dc 4-2-1 header, landspeed racing race cat, and a clutchmasters lightened flywheel with a cm stage 1 clutch.