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Re: Question
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Originally Posted by FastRedPonyCar
It's cause there aren't any cats to clean the "black" out of the exhaust anymore.
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No shit. 
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Don't do this when they're hot btw. Wait for them to cool off.
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No shit.
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1998 Mustang GT Coupe - World's Slowest Racecar
2005 Toyota 4Runner SR5 V8
2013 Volkswagen Jetta Sportwagen TDI
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