Great video of a guy from Car Throttle and his 243,000 mile 996 on a dyno.
https://www.carthrottle.com/post/how-much-power-will-have-this-996-porsche-911-lost-in-243000-miles/
Enjoy.
https://www.carthrottle.com/post/how-much-power-will-have-this-996-porsche-911-lost-in-243000-miles/
Enjoy.