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Showing results for tags 'exhaust upgrade system'.
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I just purchased a 2018 Sierra 1500 SLT 5.3L V8. I found a steal on offerup for a borla exhaust system. The part number is 19303332. However, the part number listed for my truck is 19303333 (verified with GMC customer service) I spoke with the guy and he claims the muffler package is for a Silverado but will fit a Sierra (hence the different model #) Has anyone come across this or can verify his claims? Links: 19303332- https://www.gmpartsdirect.com/oem-parts/gm-exhaust-system-by-gm-19303332 19303333- https://accessories.gmc.com/product/3GTP1NEC7JG376770/53l-cat-back-dual-exit-exhaust-upgrade-system-by-borla®---associated-accessories-19303333?categoryId=12009