Extra O2 Bungs for HFC
hey guys I am about to purchase F.I RHFC but was wondering if the extra bungs they offer are needed? From what I am reading I believe they are used for tuning purposes but the info i have found on them are not clear. Do I really need to buy this? Do not want to spend extra $50 if i do not need to . I do plan on tuning the car eventually but not anytime soon.
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