Decided the change the exhaust on my GT4. I knew it would be a struggle as the OE nuts and studs are made of cheese. The nuts are 12mm and not one of them took a 12mm socket. Used 1/2 inch or a eStar Torx thingy. 5 came out OK, 5 snapped.
Plenty of heat - flange was flippin bright orange. Bought a sealey post puller thing and that broke inside on the 2nd post (first one snapped) stopped at that point. Re-tapped the threads I could get to.
OE egg sauce
I don't have any pics of the new exhaust fitted. It's a BCFabs Inconel with the black and matte gold tips. I bought it 2nd hand with under 1000 miles. I've had to fit it anyway to move it around. Honestly, I'm not sold after all that. The OE exhaust can drone and this has just made the drone louder. It doesn't crackle or make any exciting noises - have to change/remove the cats and I'm not doing that for warranty reasons. I'll put the OE exhaust back on when it's time to visit the dealer. I might go back to OE anyway.
Something that has plagued me a bit is that I didn't hold out for extended leather interior. It's OK without but I wish mine had the extended carbon in the doors and extended alcantara. If an interior comes up from a broken 718 I will probably get it and fit it. Anyway, something I did do was swap out the base lower dash bits for alcantara.
The glovebox was actually harder than the smaller piece under the wheel. The box I bought had an airbag switch which the GT4 doesn't have so printed up a little blank to cover the hole.
Done! Not particularly noticeable but I think it lifts the interior a bit.
Finally for this round, I find it strange that the Harmon Kardon head units have Android Auto installed but Porsche doesn't activate it. I found a small software tool online that you put on a SD card and make it auto-loading. It's called MIB I think. Anyway, fairly pain-free procedure and I now have AA working.
I tried 2 local Porsche specialists to fix my exhaust post issue, one didn't answer and the other said they were too busy. I've got some Manthey suspension parts to be fitted so the car is off to RPM Tecknik tomorrow to have new posts fitted together with the Manthey parts - as Porsche own Manthey and RPM are doing the work, it won't affect warranty.
Up coming mods will be bolster covers (mine are in so so shape after only 6K) and seat inserts (I've got for a Scott clan tartan - it's a bit bold and doesn't really match, but Mrs EddScott says I have to go bold and own it (apparently)