diff --git a/Configuration/ProcessModifiers/python/beamSplash_cff.py b/Configuration/ProcessModifiers/python/beamSplash_cff.py
new file mode 100644
index 0000000000000..c7a41724d9a7e
--- /dev/null
+++ b/Configuration/ProcessModifiers/python/beamSplash_cff.py
@@ -0,0 +1,4 @@
+import FWCore.ParameterSet.Config as cms
+
+# This modifier is for beam splash
+beamSplash =  cms.Modifier()
diff --git a/Configuration/PyReleaseValidation/python/relval_steps.py b/Configuration/PyReleaseValidation/python/relval_steps.py
index c7b907d68dbc2..fccb5521f0c8f 100644
--- a/Configuration/PyReleaseValidation/python/relval_steps.py
+++ b/Configuration/PyReleaseValidation/python/relval_steps.py
@@ -2906,6 +2906,7 @@ def lhegensim2018ml(fragment,howMuch):
 steps['RECODR3_2025_OXY_SKIMIONPHYSICS0']=merge([{'--era':'Run3_2025_OXY', '-s':'RAW2DIGI,L1Reco,RECO,SKIM:%s,PAT,DQM:@commonFakeHLT+@standardDQMFakeHLT'%(autoSkim['IonPhysics0'])},steps['RECODR3_2025_HIN']])
 
 steps['RECODR3Splash']=merge([{'-n': 2,
+                               '--procModifiers': 'beamSplash',
                                '-s': 'RAW2DIGI,L1Reco,RECO,PAT,ALCA:SiStripCalZeroBias+SiStripCalMinBias+TkAlMinBias+EcalESAlign,DQM:@standardDQMFakeHLT+@miniAODDQM'
                               },steps['RECODR3']])
 
diff --git a/RecoParticleFlow/PFClusterProducer/python/particleFlowClusterECALUncorrected_cfi.py b/RecoParticleFlow/PFClusterProducer/python/particleFlowClusterECALUncorrected_cfi.py
index 42e37f7aa692d..120faf5536c23 100644
--- a/RecoParticleFlow/PFClusterProducer/python/particleFlowClusterECALUncorrected_cfi.py
+++ b/RecoParticleFlow/PFClusterProducer/python/particleFlowClusterECALUncorrected_cfi.py
@@ -61,6 +61,9 @@
     ),
     nNeighbours = cms.int32(8),
 )
+from Configuration.ProcessModifiers.beamSplash_cff import beamSplash
+beamSplash.toModify(_localMaxSeeds_ECAL.thresholdsByDetector[0], seedingThreshold = 100, seedingThresholdPt = 20)
+beamSplash.toModify(_localMaxSeeds_ECAL.thresholdsByDetector[1], seedingThreshold = 100, seedingThresholdPt = 20)
 
 # topo clusterizer
 _topoClusterizer_ECAL = cms.PSet(
@@ -77,6 +80,8 @@
     ),
     useCornerCells = cms.bool(True)
 )
+beamSplash.toModify(_topoClusterizer_ECAL.thresholdsByDetector[0], gatheringThreshold = 90)
+beamSplash.toModify(_topoClusterizer_ECAL.thresholdsByDetector[1], gatheringThreshold = 90)
 
 #position calculations
 _positionCalcECAL_all_nodepth = cms.PSet(