Instruct: Classify the given Amazon review as either positive or negative.
Query: Nice upgrade from stock mufflers.

I bought a pair of these for my 2001 Mustang GT. I wanted to wake my Mustang up a bit but not go crazy. Don't be fooled by the videos on youtube that make these sounds quiet and raspy, these mufflers sound amazing welded in to the stock exhaust system. These are the same length as the stock mufflers with the correct offset/diameter outlets.