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I just installed a new catback. Do I need a tune?

Cat-back exhaust systems affect the region of exhaust after the catalytic converters. This means that the new parts are clear from any sensors or meters that the ECU (Engine Control Unit) may need to run the vehicle. They may let more sound flow through, but CB systems do not affect the aspiration of the engine.

As a result, Cat-Back exhaust systems do not require an updated tune.

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