One problem related to manifold/header/muffler/tail pipe has been reported for the 2008 Chevrolet Silverado 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Chevrolet Silverado 1500 based on all problems reported for the 2008 Silverado 1500.
The exhaust manifold bolts broke off causing exhaust leak. It will cause engine light to come on,very expensive repair. This is not from normal wear and tear defective material in the bolts. There should be a recall on this.