Yes, if you've got the correct tools. All of our reviewed car tuning software allows you to remap your ECU. However, ECU remapping is a complicated process and it's not advisable to attempt it unless you're 100% sure what you're doing. Consider the ECU map as the instructions for the engine. Lots of parameters are precisely stated in the tables, deciding the air-to-fuel ratio, spark timing, and other vital engine procedures. If you're not sure what you're doing, you risk causing serious and irreparable damage. You can find lots of guides online, specific to each vehicle, that will explain the best methods for ECU remapping, as well as guidelines for EGR and DPF. If you're not familiar with engine coding and car tuning, it's strongly advised that you read through one of these guides before you get to work.