Cat Reman Clean Exhaust Modules (CEM) such as part # 11R-2099 are components that optimizes engine exhaust treatment and ensures regulatory compliance. It integrates advanced filtration and catalytic technologies to reduce particulate matter and nitrogen oxides, contributing to a cleaner working environment. This is important to reduce the emissions from a machine and adhere to various emission norms that are both local and global.Attributes:• Cat Reman New with Core (NWC) offerings contain 100% new Cat parts at a reduced price in exchange for a qualifying core.• Cat Reman NWC Clean Exhaust Modules (CEM) offer the productivity and efficiency of new exhaust modules for less than the cost of new with the return of a qualifying core.• You're buying less downtime and lower repair bills, helping you reduce owning and operating costs.• Cat Reman exhaust modules provide like new performance and reliability at fraction-of-new costs with return of a qualifying core, while reducing the impact on the environment compared to buying new.• Cat Reman CEMs are covered with a same-as-new, 12-month Caterpillar Limited Warranty 1 against Caterpillar defects in material and/or workmanship.• Cat Reman offers drop-in ready solutions.1 Warranty can vary by model and application; limitations apply. For complete details about the applicable Caterpillar Limited Warranty, contact an authorized Cat dealer.