<strong>Yahoo Message Number: 90029</strong>Hello folks<br/><br/>I'm trying to locate a replacement muffler for my 2003 Allure 30856 with a Cummins ISL 370. The one on it now is a Donaldson part # M120566 with a 4" side inlet and a 5" end-outlet at the 9:00 o'clock position. All images I see online, including Donaldson's are with 3:00 o'clock position. Donaldson is scratching their heads and is...