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Take my advice and don't bother modifying the exhaust unless you're willing to tune it. These OPF deleter kits has over time been shown to be unreliable, several users still get CEL from time to time, and the only solution to their problem was to tune the car. You do not actually need to tune the car in terms of adding more power, but you have to do some reprogramming in the ECU in order to get rid of the CEL. Messing with the ECU will void your warranty.
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