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Remap/exhaust question


350_Jer

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If your car has had a remap with decats fitted and the rear lambda sensors turned off, then would it do any harm to the engine by refitting the cats for MOT time and for trackdays with quiet noise limits? I know you can get silenced decats but just thought it would be easier (and cheaper) just putting the cats back in when required as long as it won't do any harm.

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