EGR Cooler upgrade for ProStar* trucks equipped with Maxx Force* 11/13 engines. Comes with all gaskets and hardware. M1M™ EGR Coolers are designed, tested, and manufactured in the U.S.A. by a leading supplier of diesel EGR (exhaust gas recirculation) cooling systems. Our TS Quality, Tier 1, 350,000 sq. ft. facility employs hundreds, has a full testing bench and was developed by the finest Engineers. Call us at 1-844-616-COOL (2665) to order your EGR Cooler upgrade for ProStar* trucks equipped with Maxx Force* 11/13 engines. *is a trademark of its respective company. No affiliation or endorsement is implied.