TimfmCTExplorerAug 14, 2015Mufflers for 2005 workhorse with GMC 8.1Are mufflers specific to different RVs. IE: back pressure etc.
Related Content2005 SixPac D850 WiringOverhead Cab Leak on 2005 Winnie MinnieMuffler needs replacing8.1L Muffler RecommendationsGenerator Muffler Mods