ive been noticing that my muffler tip has black carbon build up ive recently had my exhaust piping done from my cat to 2.25 and put an aftermarket muffler what does this mean????
it means that when the gas in your engine combusts, the remnants are mosly carbon particles, so it means that your car is running just fine.
i would start to worry if it spits out onto the back of your bumper like mine does, but if just the inside of your muffler is black, then thats just fine.
Why? It is in the wrong place. Please post your topic in the right forums. Hybrid is not for suspension or interior posts. EG is not for EF questions, and so forth.
If you have any questions, please PM the moderator who closed this topic.
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