Heres my mods Apr v5 93 file, test pipes, darintake mod, awe twin1 catback, ebay fmic, bailey dv's. I've searched this question and haven't really found a positive answer. Im due for new spark plugs and Im not sure if I should go with the NGK BKR6E or the NGK BKR7E 's. I've found split results, some say stock some say go with the colder plug. Can anyone tell me whats the better plug to run on a stage 2+ ? TIA
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