There's nothing like a bunch of guys in the 12-14 year old mentality range verbally assaulting an internet forum in response to a bunch of guys in the 12-14 year old mentality range verbally assaulting an internet forum.
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This is effectively The most popular car audio forum on the internet. Popularity in this web 2.0 world comes with a price, hence the heavier moderation and bannings. When there are thousands of visitor to this forum every day, you can't just expect all of them to keep to the Terms of Service, be experts or even knowledgable, or even have a clue what the hell they're doing here.