GT3ZZZ

Had this fitted yesterday. Power raised from 640HP to 700HP. Torque up by 100NM from 850NM to 950NM.

It uses their Techtronic additional ECU so leaves the OEM ECU untouched with stock code. The kit is only active in Sport and Sport +. Its TUV approved in Germany so no issues with emissions etc. Also has warranty.

First impressions after a 130 mile drive home and then local duties today. The increased torque is very noticeable especially in 2nd and 3rd gear pulls but also the pickup from low revs in higher gears. I previously had a DBX 707 which had 900NM and always felt quicker than the TGT but without the handling. The Cayenne is now back on top.

retom

Can you describe how the installation looked like?
I received the assembly instructions from Techart and according to them, the installation of their module required dismantling the driver's door to pass the cables. This discouraged me from this solution.

GT3ZZZ

Mine was done by Tech9 who are the UK Distributor for Techart. They have evolved their own installation process that doesn't need the door taking off. There is a small hole in the bulkhead with a grommet that existing wiring passes through and they use that to install the techtronic cabling. I didn't watch the install so can't offer any more detail but I did ask about the door as I've seen the same instructions. It was about 5 hours labour albeit quite a bit of that is testing everything post install.