Silly question about sport mode

[admranger]

Originally Posted by bcredliner

Manual transmissions for fun, automatics for getting from point A to B sooner and daily drivers. And, you can further add to automatic and sport mode performance and fun with transmission software.

OK, I'll bite: who makes this (Dinan, I suppose...$$$$$$$$$$$$ )?

What are the differences between the factory program and the aftermarket one?

I actually like the sport mode for driving EXCEPT when coming to a stop. The downshift to first gear and the engine braking effect is too abrupt to allow for smooth stops in my experience. Yes, I do have talent using the brakes on a vehicle, having raced cars for a decade and being a semi-skilled track rat for 2 decades...