TS Performance Power Play MP-8 modules are the perfect choice for towing and fuel economy! These modules boast a plug-and-play design that does not leave fingerprints in the factory computer. Plus, the TS Performance Power Play MP-8 modules offer up to 50 hp gains in your Jeep Liberty CRD. Their in-cab adjustable feature and stacking ability are convenient and your fuel economy gains do not increase exhaust temperatures. Additionally, some models come with the MPD monitor. Some people dream it--TS Performance builds it!