Anth
Hey Anth, sorry it's taken me a while to reply, life got in the way. Short version - it's in and I'm loving it, no regrets going through Todd at Signature Swaybars. Total cost was $520, 450 for the bar, 70 for generic adjustable end links cut to size. My car is a P3 V60 T6 R design with the inline 6 and KW V3 coilovers.
Bar is 25mm solid Aussie spring steel, a noticeably heavier than the factory 21mm bar. He didn't have a template so I removed mine and drove it there. He turned it around in a day.
Long version is it took a while to get my car set up the way I like it. I think he does installs but did it myself and had some teething issues. Bar went in easy enough, although if doing it by yourself i highly recommend installing the links first and torquing the nut where it bolts to the chassis. I did not do this and almost copped it in the face as it swung down on me while trying to line up the mounting brackets on the bar.
To add to the drama I had a couple of wheels that weren't balanced that I didn't notice for a few weeks. It jarred over bumps and I couldn't work out if it was something I'd done or not. I swapped out my front end links for adjustable HD superpro ones to account for my change in ride height as well so there were a few changes all at once. Todd was great at answering my questions about this, commenting on photos of my install and helping rule out the bar install as the problem.
Only when I was trying to soften my dampeners did I roll one down the driveway and notice it wobble badly. Now with fresh tyres, balanced wheels he's a composed happy boy with great turn in and less understeer coming out of roundabouts.
I hope this helps
