2010 grand spoft exhaust noise

Asked by Sep 14, 2017 at 10:35 PM about the 2010 Chevrolet Corvette

Question type: Maintenance & Repair

Very loud rattling noise coming from the
exhaust at the rear of the car when first
starts. Last 15-20 seconds. Also overall
exhaust is louder as if the rear butterfly's
are open but not. No obvious exhaust leak

1 Answer

79,315

Check to see if anything is loose in the mufflers by banging on them with a rubber mallet. Also check the rear rubber exhaust hangers.

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