Originally Posted by gomer_110

The factory limiter is actually a throttle cut. Once you hit the ECU's cut point it "pulls back" on the electronic throttle. This is why the car seems to just fall on its face when you hit it. There is a fuel cut limiter in the ECU but from the factory it's set higher than the throttle cut so you'll never see it.

If you're tuned you can actually alter the settings for both limiters and make the fuel cut the one you hit first. Hitting the fuel cut first will give you the more traditional "banging off the limiter" that people have been used to for years. It is going to be harder on the engine though.