FLO~PRO 4" Turbo Back Kit With Muffler 03-04.5 Dodge Cummins
Aluminized Without Muffler
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FLO~PRO's 4" turbo back kit is a great way to upgrade your factory exhaust. This kit will add performance and great sound to your Cummins. All kits come with the required hardware for installation. You have the option of a kit with stainless steel or aluminized, or with or without a muffler. Simply choose from the drop down below.