I used to be in the tuning business. The one thing that made me just feel awkward was seeing what you all see. The valu eof the cars will reflect the cost of the tune.
The time it takes to do proper welding on exhausts be it for a Lambo, McLaren, or an Evo, GTR, Subaru...is the same. Mock up time is a bit harder due to some body and routing challenges at times, but that RnD cost is easy to recoup. Outside of the exotic metal systems, the cost of a set of bloody pipes gets stupidly expensive for the sake of exotic car 'tax' (If you own a GTR, you know about GTR tax)
As far as ECU stuff. Depending on how you look at it, its also similar. While i gave up in that side gig a long time ago, I was around when Cobb was still owned by Cobb etc. Exotics tend to have a bit more work around them. There is a higher risk factor too, that tuners will take in to cost perspective. Good tuners will buy their own exotic and work on that. Most will use software to interface to the ECU, either by bench or by OBD if allowed and from there you are basically watching Air/Fuel ratios and Lambda readings and trying to extract power while avoiding DET. Its not 'easy' but Its not what I would call, worth it....not in an exotic car that already is well beyond average performance. (personal opinion)
Standalone (no more OEM ECU) tuning is more complex, you are sometimes starting from zero, so cost there is justified. There is A LOT to do if you are going to do it right. Also not easy these days with how much all the systems talk to each other.
@zerokewl "The ECU on the 570S is virtually identical to the 650S, 12C, 675LT, etc, with the same M838T engine (ME18.104.22.168 on all of them). Flashing your 570S with the same map as a 675LT would essentially gain you 100HP while maintaining all OEM fail safes."
Im guessing this is a huge simplified example right? because no tuner who wants to keep anything close to a reputation would do this...pulling the data for comparison and using it as a base to maybe try to work off sure, but its not going to be a 1:1 just reflash and out the door.
I don't bother with the tuning world on any car passed 2000s these days. I enjoy the challenges that come with getting power from old cars. 300HP in a old 70s 'tin can' puts a pretty decent grin on anyone's face, might not win those 1/4miles or VMax, but, where are you 90% of the time anyway.
I dont know, I once sat down and calculated what I have spent tuning the various cars ive had in my life. GTR32/34s/35 Subarus, Evos, AMGs....I went and got myself a 675LT and dont give crap about tuning anymore*...I like to personalize as much as anyone, but I tend to keep it simple now.