Have had Dinan and ESS and switched to ESS because I needed the catless tune for my catless Akra Downpipes.

No issues at all and ease of installation was so easy my kids could have uploaded and downloaded the tune.

The Eflash cable and software is legit!

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| Vorsteiner front splitter | ADV-7 22" | ESS | Akra Catless DP's | Akra Evo Exhaust | KW V3 Coilovers | Lux V3 H8 | HR TRAK spacers 20mm |