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Single - 5" Axle-Back System
- 2014-2011 Chevrolet Silverado 2500 HD 6.6 Liter V8
- 2014-2011 GMC Sierra 2500 HD 6.6 Liter V8
- 2014-2013 Ram 2500 6.7 Liter L6
- 2014-2011 Chevrolet Silverado 3500 HD 6.6 Liter V8
- 2014-2013 Ram 3500 6.7 Liter L6
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