Noted tuner DINAN offers this aftermarket chip that is NSX specific. Intended for naturally aspirated 3.0L with headers. Sales info touts 10-15 hp gain by just inserting the chip. Open your stock ECU, pull out stock chip, add a ZIF socket, insert new Dinan chip. No additional tuning needed. Raises redline, fattens mid range. My NA 3L with headers dynoed 260rwhp with this chip. I have removed it due to SC installation. New from Dinan is $299, get it here for $150, includes shipping.\
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