Pulling fuse 11 allows your car to re-set/re-learn your mods or clear any CEL's related to the mods (after checking the CEL code ..of course). As has been said..it's a good thing to do from time to time so that if you have been driving conservatively (for shame....:biggrin: ) you can '' correct '' your cars adaptive learning capabilities and turn it into the animal it was designed to be.... .
Fuse 11 is in the front fuse box terminal under the hood. Look @ the underside of the cover, and notice the embossings. Also, note that this is inverted from what you might think.