diff --git a/inttests/replication_test.go b/inttests/replication_test.go
index a16fd1a..64c28c9 100644
--- a/inttests/replication_test.go
+++ b/inttests/replication_test.go
@@ -113,6 +113,116 @@ func TestGetPeerMDMs(t *testing.T) {
 	}
 }
 
+// Get Specific Peer System
+func TestGetPeerSystem(t *testing.T) {
+	srcpeer, err := getPeerMdm()
+	assert.Nil(t, err)
+
+	_, getErr := C.GetPeerMDM(srcpeer.ID)
+	assert.Nil(t, getErr)
+}
+
+// Remove a Peer System
+func TestRemovePeerSystem(t *testing.T) {
+	srcpeer, err := getPeerMdm()
+	assert.Nil(t, err)
+
+	removeErr := C.RemovePeerMdm(srcpeer.ID)
+	assert.Nil(t, removeErr)
+}
+
+func TestAddPeerSystem(t *testing.T) {
+	if C2 == nil {
+		t.Skip("no client connection to replication target system")
+	}
+	system := getTargetSystem()
+	peerPayload := &siotypes.AddPeerMdm{
+		PeerSystemID:  system.System.ID,
+		PeerSystemIps: system.System.MdmManagementIPList,
+		Port:          "7611",
+		Name:          "PeerSystemTestName",
+	}
+	// Add a Peer System
+	_, err := C.AddPeerMdm(peerPayload)
+	assert.Nil(t, err)
+}
+
+// Modify a Peer System name
+func TestModifyPeerSystemName(t *testing.T) {
+	srcpeer, err := getPeerMdm()
+	assert.Nil(t, err)
+
+	// Modify name
+	modifyErr := C.ModifyPeerMdmName(srcpeer.ID, &siotypes.ModifyPeerMDMNameParam{
+		NewName: "testName",
+	})
+	assert.Nil(t, modifyErr)
+
+	// Modify Name back to original
+	modifyErr = C.ModifyPeerMdmName(srcpeer.ID, &siotypes.ModifyPeerMDMNameParam{
+		NewName: srcpeer.Name,
+	})
+}
+
+// Modify a Peer System name
+func TestModifyPeerSystemPort(t *testing.T) {
+	srcpeer, err := getPeerMdm()
+	assert.Nil(t, err)
+
+	// Modify port
+	modifyErr := C.ModifyPeerMdmPort(srcpeer.ID, &siotypes.ModifyPeerMDMPortParam{
+		NewPort: "7612",
+	})
+	assert.Nil(t, modifyErr)
+
+	// Modify Name back to original
+	modifyErr = C.ModifyPeerMdmPort(srcpeer.ID, &siotypes.ModifyPeerMDMPortParam{
+		NewPort: fmt.Sprint(srcpeer.Port),
+	})
+}
+
+// Modify a Peer System Performance Parameters
+func TestModifyPeerSystemPerformanceParameters(t *testing.T) {
+	srcpeer, err := getPeerMdm()
+	assert.Nil(t, err)
+
+	// Modify port
+	modifyErr := C.ModifyPeerMdmPerformanceParameters(srcpeer.ID, &siotypes.ModifyPeerMdmPerformanceParametersParam{
+		NewPreformanceProfile: "Compact",
+	})
+	assert.Nil(t, modifyErr)
+
+	// Modify Name back to original
+	modifyErr = C.ModifyPeerMdmPerformanceParameters(srcpeer.ID, &siotypes.ModifyPeerMdmPerformanceParametersParam{
+		NewPreformanceProfile: srcpeer.PerfProfile,
+	})
+}
+
+// Modify a Peer System Ips
+func TestModifyPeerSystemIps(t *testing.T) {
+	srcpeer, err := getPeerMdm()
+	assert.Nil(t, err)
+
+	var ips []string
+	for _, ip := range srcpeer.IPList {
+		ips = append(ips, ip.IP)
+	}
+
+	// Modify ips
+	modifyErr := C.ModifyPeerMdmIP(srcpeer.ID, ips)
+	assert.Nil(t, modifyErr)
+}
+
+// Make it easier to get a Peer System to run the tests against
+func getPeerMdm() (*siotypes.PeerMDM, error) {
+	srcpeers, err := C.GetPeerMDMs()
+
+	if err != nil || len(srcpeers) == 0 {
+		return nil, fmt.Errorf("no peer systems found")
+	}
+	return srcpeers[0], nil
+}
+
 // Get the Target System
 func getTargetSystem() *goscaleio.System {
 	system := goscaleio.NewSystem(C2)
diff --git a/replication.go b/replication.go
index 699edde..69a996c 100644
--- a/replication.go
+++ b/replication.go
@@ -61,6 +61,121 @@ func (c *Client) GetPeerMDMs() ([]*types.PeerMDM, error) {
 	return peerMdms, err
 }
 
+// GetPeerMDM returns a specific peer MDM
+func (c *Client) GetPeerMDM(id string) (*types.PeerMDM, error) {
+	defer TimeSpent("GetPeerMDM", time.Now())
+
+	path := "/api/instances/PeerMdm::" + id
+	var peerMdm *types.PeerMDM
+
+	err := c.getJSONWithRetry(http.MethodGet, path, nil, &peerMdm)
+	return peerMdm, err
+}
+
+// ModifyPeerMdmIP updates a Peer MDM Ips
+func (c *Client) ModifyPeerMdmIP(id string, ips []string) error {
+	defer TimeSpent("ModifyPeerMdmIP", time.Now())
+	// Format into the strucutre that the API expects
+	var ipMap []map[string]interface{}
+	for _, ip := range ips {
+		ipMap = append(ipMap, map[string]interface{}{"hostName": ip})
+	}
+	param := types.ModifyPeerMdmIPParam{
+		NewPeerMDMIps: ipMap,
+	}
+	path := "/api/instances/PeerMdm::" + id + "/action/modifyPeerMdmIp"
+
+	if err := c.getJSONWithRetry(http.MethodPost, path, param, nil); err != nil {
+		fmt.Printf("c.getJSONWithRetry(http.MethodPost, path, param, nil) returned %s", err)
+		return err
+	}
+
+	return nil
+}
+
+// ModifyPeerMdmName updates a Peer MDM Name
+func (c *Client) ModifyPeerMdmName(id string, name *types.ModifyPeerMDMNameParam) error {
+	defer TimeSpent("ModifyPeerMdmName", time.Now())
+
+	path := "/api/instances/PeerMdm::" + id + "/action/modifyPeerMdmName"
+
+	if err := c.getJSONWithRetry(http.MethodPost, path, name, nil); err != nil {
+		fmt.Printf("c.getJSONWithRetry(http.MethodPost, path, name, nil) returned %s", err)
+		return err
+	}
+
+	return nil
+}
+
+// ModifyPeerMdmPort updates a Peer MDM Port
+func (c *Client) ModifyPeerMdmPort(id string, port *types.ModifyPeerMDMPortParam) error {
+	defer TimeSpent("ModifyPeerMdmPort", time.Now())
+
+	path := "/api/instances/PeerMdm::" + id + "/action/modifyPeerMdmPort"
+
+	if err := c.getJSONWithRetry(http.MethodPost, path, port, nil); err != nil {
+		fmt.Printf("c.getJSONWithRetry(http.MethodPost, path, port, nil) returned %s", err)
+		return err
+	}
+
+	return nil
+}
+
+// ModifyPeerMdmPerformanceParameters updates a Peer MDM Performance Parameters
+func (c *Client) ModifyPeerMdmPerformanceParameters(id string, param *types.ModifyPeerMdmPerformanceParametersParam) error {
+	defer TimeSpent("ModifyPeerMdmPerformanceParameters", time.Now())
+
+	path := "/api/instances/PeerMdm::" + id + "/action/setPeerMdmPerformanceParameters"
+
+	if err := c.getJSONWithRetry(http.MethodPost, path, param, nil); err != nil {
+		fmt.Printf("c.getJSONWithRetry(http.MethodPost, path, param, nil) returned %s", err)
+		return err
+	}
+
+	return nil
+}
+
+// AddPeerMdm Adds a Peer MDM
+func (c *Client) AddPeerMdm(param *types.AddPeerMdm) (*types.PeerMDM, error) {
+	defer TimeSpent("AddPeerMdm", time.Now())
+	if param.PeerSystemID == "" || len(param.PeerSystemIps) == 0 {
+		return nil, errors.New("PeerSystemID and PeerSystemIps are required")
+	}
+	path := "/api/types/PeerMdm/instances"
+	peerMdm := &types.PeerMDM{}
+	var ipMap []map[string]interface{}
+	for _, ip := range param.PeerSystemIps {
+		ipMap = append(ipMap, map[string]interface{}{"hostName": ip})
+	}
+	paramCreate := types.AddPeerMdmParam{
+		PeerSystemID:  param.PeerSystemID,
+		PeerSystemIps: ipMap,
+		Port:          param.Port,
+		Name:          param.Name,
+	}
+
+	if err := c.getJSONWithRetry(http.MethodPost, path, paramCreate, peerMdm); err != nil {
+		fmt.Printf("c.getJSONWithRetry(http.MethodPost, path, paramCreate, peerMdm) returned %s", err)
+		return nil, err
+	}
+
+	return peerMdm, nil
+}
+
+// RemovePeerMdm removes a Peer MDM
+func (c *Client) RemovePeerMdm(id string) error {
+	defer TimeSpent("RemovePeerMdm", time.Now())
+
+	path := "/api/instances/PeerMdm::" + id + "/action/removePeerMdm"
+	params := types.EmptyPayload{}
+	if err := c.getJSONWithRetry(http.MethodPost, path, params, nil); err != nil {
+		fmt.Printf("c.getJSONWithRetry(http.MethodPost, path, params, nil) returned %s", err)
+		return err
+	}
+
+	return nil
+}
+
 // ReplicationConsistencyGroup encpsulates a types.ReplicationConsistencyGroup and a client.
 type ReplicationConsistencyGroup struct {
 	ReplicationConsistencyGroup *types.ReplicationConsistencyGroup
diff --git a/types/v1/types.go b/types/v1/types.go
index 9ef1e4b..54b6bad 100644
--- a/types/v1/types.go
+++ b/types/v1/types.go
@@ -1210,6 +1210,42 @@ type PeerMDM struct {
 	IPList              []*IPListNoRole `json:"ipList"`
 }
 
+// ModifyPeerMdmIPParam defines struct for ModifyPeerMdmIPParam
+type ModifyPeerMdmIPParam struct {
+	NewPeerMDMIps []map[string]interface{} `json:"newPeerSystemIps"`
+}
+
+// ModifyPeerMDMNameParam defines struct for ModifyPeerMDMNameParam
+type ModifyPeerMDMNameParam struct {
+	NewName string `json:"newName"`
+}
+
+// ModifyPeerMDMPortParam defines struct for ModifyPeerMDMPortParam
+type ModifyPeerMDMPortParam struct {
+	NewPort string `json:"newPort"`
+}
+
+// ModifyPeerMdmPerformanceParametersParam defines struct for ModifyPeerMdmPerformanceParametersParam
+type ModifyPeerMdmPerformanceParametersParam struct {
+	NewPreformanceProfile string `json:"perfProfile"`
+}
+
+// AddPeerMdm defines struct for AddPeerMdm
+type AddPeerMdm struct {
+	PeerSystemID  string   `json:"peerSystemId"`
+	PeerSystemIps []string `json:"peerSystemIps"`
+	Port          string   `json:"port"`
+	Name          string   `json:"name"`
+}
+
+// AddPeerMdmParam defines struct for AddPeerMdm
+type AddPeerMdmParam struct {
+	PeerSystemID  string                   `json:"peerSystemId"`
+	PeerSystemIps []map[string]interface{} `json:"peerSystemIps"`
+	Port          string                   `json:"port"`
+	Name          string                   `json:"name"`
+}
+
 // ReplicationConsistencyGroup (RCG) has information about a replication session
 type ReplicationConsistencyGroup struct {
 	ID                       string `json:"id,omitempty"`