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[minilandrover]

Hi, as i have a spare exhaust, i decided to open up the catayliser and remove the core (intact for recycling) as over here the law only requires one after 1996 on a diesel. Its re welded and ready for installing (after i fix the injector pump) im told it will improve performance and economy. will i see or hear any benefits from this or will it require remapping as well. i have a spare ecu 
( not sure if they are interchangeable or linked to the remote key?) but i might take this to the uk for re mapping if there is a gain. thanks all. colin 

[Tezray]

I don't believe a remap is necessary but is a good option on diesels anyway if you want a good increase in power/torque. By decatting your exhaust it should allow the turbo to spool up quicker and rev more freely