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An exhaust system for a power system contained in an engine compartment. The exhaust system includes a mount for two or more exhaust treatment devices and an enclosure surrounding the two or more exhaust treatment devices. The enclosure defines a space with a higher temperature than a space defined

An exhaust system for a power system contained in an engine compartment. The exhaust system includes a mount for two or more exhaust treatment devices and an enclosure surrounding the two or more exhaust treatment devices. The enclosure defines a space with a higher temperature than a space defined by the engine compartment during steady state operation of the power system. At least one electronic or fluid device is coupled to the enclosure or mount and located on an exterior of the enclosure.

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1. A portion of an exhaust system for a power system contained in an engine compartment, comprising: an exhaust treatment module including two or more exhaust treatment devices, one of the exhaust treatment devices including a fuel fired burner, and a module housing arrangement conveying exhaust fro

1. A portion of an exhaust system for a power system contained in an engine compartment, comprising: an exhaust treatment module including two or more exhaust treatment devices, one of the exhaust treatment devices including a fuel fired burner, and a module housing arrangement conveying exhaust from an inlet of the module to an outlet of the module;an enclosure surrounding the exhaust treatment module, the enclosure being located in the engine compartment and forming an air gap between the module housing arrangement and the enclosure, the enclosure having an outer shell, an inner shell, and an insulation between the inner shell and the outer shell; andan electronic device coupled to an exterior of the enclosure,wherein exhaust is only in fluid communication with the exhaust treatment module in the portion of the exhaust system, andwherein the enclosure has at least one gap such that a portion of the exhaust treatment module is exposed to the exterior of the enclosure. 2. The exhaust system of claim 1, wherein the electronic device connects to one of the two or more exhaust treatment devices. 3. The exhaust system of claim 1, wherein one of the two or more exhaust treatment devices includes a diesel particulate filter. 4. The exhaust system portion of claim 1, wherein the enclosure includes at least one removable panel to provide access to at least one of the two or more exhaust treatment devices. 5. The exhaust system portion of claim 1, further including a mount that supports the two or more exhaust treatment devices. 6. The exhaust system portion of claim 1, further including a fluid device coupled to the exterior of the enclosure. 7. The exhaust system portion of claim 1, wherein the mount includes a first bracket and a second bracket. 8. The exhaust system portion of claim 7, wherein the first and second brackets are substantially parallel to each other. 9. The exhaust system portion of claim 1, wherein the at least one gap is configured to allow the electronic device to connect to one of the two or more exhaust treatment devices. 10. The exhaust system portion of claim 5, wherein the at least one gap is configured to allow the mount to support the two or more exhaust treatment devices. 11. A portion of an exhaust system for a power system contained in an engine compartment, comprising: an exhaust treatment module including two or more exhaust treatment devices and a module housing arrangement having a module exhaust inlet conduit and a module exhaust outlet conduit; andan enclosure surrounding the exhaust treatment module, the enclosure being located in the engine compartment adjacent an engine of the power system,forming an air gap between the module housing arrangement and the enclosure,including a first opening surrounding the module exhaust inlet conduit, and a second opening surrounding the module exhaust outlet conduit, andincluding an outer shell, an inner shell, and an insulation between the inner shell and the outer shell; andan electronic device coupled an exterior of the enclosure,wherein exhaust is only in fluid communication with the exhaust treatment module in the portion of the exhaust system, andwherein the enclosure has at least one gap such that a portion of the exhaust treatment module is exposed to the exterior of the enclosure. 12. The exhaust system portion of claim 11, wherein the enclosure includes at least one removable panel to provide access to at least one of the two or more exhaust treatment devices. 13. The exhaust system portion of claim 12, wherein the enclosure includes at least a front, a back, a top, a bottom, a first side, and a second side to form a box structure. 14. The exhaust system portion of claim 13, wherein one of the exhaust treatment devices includes a diesel particulate filter and one of the exhaust treatment devices includes a fuel fired burner. 15. The exhaust system portion of claim 14, wherein the exhaust treatment module further includes a diesel oxidation catalyst (DOC). 16. The exhaust system portion of claim 11, further including a fluid device coupled to the exterior of the enclosure. 17. The exhaust system portion of claim 11, wherein the mount includes a first bracket and a second bracket. 18. The exhaust system portion of claim 17, wherein the first and second brackets are substantially parallel to each other. 19. A portion of an exhaust system for a power system contained in an engine compartment, comprising: an exhaust treatment module including two or more exhaust treatment devices and a module housing arrangement conveying exhaust from an inlet of the module to an outlet of the module;an enclosure surrounding the exhaust treatment module, the enclosure being located in the engine compartment and forming an air gap between the module housing arrangement and the enclosure;an electronic device coupled to an exterior of the enclosure; anda fluid device coupled to the exterior of the enclosure,wherein exhaust is only in fluid communication with the exhaust treatment module in the portion of the exhaust system, andwherein the enclosure has at least one gap such that a portion of the exhaust treatment module is exposed to the exterior of the enclosure. 20. The exhaust system portion of claim 19, wherein the electronic device or the fluid device connects to one of the two or more exhaust treatment devices. 21. The exhaust system portion of claim 19, wherein the mount includes a first bracket and a second bracket. 22. The exhaust system portion of claim 21, wherein the first and second brackets are substantially parallel to each other.