It all depends. Kess v2 good clone used be ok for older ecus only, but now also work great with newer ones. and with a slave you will have to rely on the master for your maps whaere as if you have a master you can write your own or choose where you get them from.
V2.80 Kess Ktag K Tag V7.020 For K-ess V2.53 V2 V5.017 Sw V2.25 V2.80 2.53 Master Ecu Chip Tuning Tool For K-tag 7.020 Kess - Code Readers & Scan Tools - AliExpress
Do i need the tripper box? : r/ECU_Tuning
OBD2 - Free Download Ksuite 2.32 for Kess V2 work on
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Alientech K-TAG Slave
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K-TAG - Alientech
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Full Set Online Master Kess V5.017 V2.53+KTAG 7.020 V2.70+LED BDM Fram – VXDAS Official Store
Kess 5.017 EU Clone Red PCB With K-suite 2.47 Download Software Best Choose for Kess V2, Posts by Gao Jack
