diff --git a/L1Trigger/Phase2L1ParticleFlow/interface/regionizer/multififo_regionizer_ref.h b/L1Trigger/Phase2L1ParticleFlow/interface/regionizer/multififo_regionizer_ref.h
index 6d6477d12ba9b..c906a502c5caa 100644
--- a/L1Trigger/Phase2L1ParticleFlow/interface/regionizer/multififo_regionizer_ref.h
+++ b/L1Trigger/Phase2L1ParticleFlow/interface/regionizer/multififo_regionizer_ref.h
@@ -43,12 +43,14 @@ namespace l1ct {
                                 unsigned int outii,
                                 unsigned int pauseii,
                                 bool useAlsoVtxCoords);
-
-    // note: this one will work only in CMSSW
+    // note: these ones will work only in CMSSW
     MultififoRegionizerEmulator(const edm::ParameterSet& iConfig);
+    MultififoRegionizerEmulator(const std::string& barrelSetup, const edm::ParameterSet& iConfig);
 
     ~MultififoRegionizerEmulator() override;
 
+    static BarrelSetup parseBarrelSetup(const std::string& setup);
+
     void setEgInterceptMode(bool afterFifo, const l1ct::EGInputSelectorEmuConfig& interceptorConfig);
     void initSectorsAndRegions(const RegionizerDecodedInputs& in, const std::vector<PFInputRegion>& out) override;
 
diff --git a/L1Trigger/Phase2L1ParticleFlow/plugins/L1TCorrelatorLayer1Producer.cc b/L1Trigger/Phase2L1ParticleFlow/plugins/L1TCorrelatorLayer1Producer.cc
index e173c3c773bdb..bf4a77c5c17b9 100644
--- a/L1Trigger/Phase2L1ParticleFlow/plugins/L1TCorrelatorLayer1Producer.cc
+++ b/L1Trigger/Phase2L1ParticleFlow/plugins/L1TCorrelatorLayer1Producer.cc
@@ -206,6 +206,10 @@ L1TCorrelatorLayer1Producer::L1TCorrelatorLayer1Producer(const edm::ParameterSet
   } else if (regalgo == "Multififo") {
     regionizer_ = std::make_unique<l1ct::MultififoRegionizerEmulator>(
         iConfig.getParameter<edm::ParameterSet>("regionizerAlgoParameters"));
+  } else if (regalgo == "MultififoBarrel") {
+    const auto &pset = iConfig.getParameter<edm::ParameterSet>("regionizerAlgoParameters");
+    regionizer_ =
+        std::make_unique<l1ct::MultififoRegionizerEmulator>(pset.getParameter<std::string>("barrelSetup"), pset);
   } else if (regalgo == "TDR") {
     regionizer_ = std::make_unique<l1ct::TDRRegionizerEmulator>(
         iConfig.getParameter<edm::ParameterSet>("regionizerAlgoParameters"));
diff --git a/L1Trigger/Phase2L1ParticleFlow/src/regionizer/folded_multififo_regionizer_ref.cpp b/L1Trigger/Phase2L1ParticleFlow/src/regionizer/folded_multififo_regionizer_ref.cpp
index a3e9b4f8e34e2..cf5bba7229e72 100644
--- a/L1Trigger/Phase2L1ParticleFlow/src/regionizer/folded_multififo_regionizer_ref.cpp
+++ b/L1Trigger/Phase2L1ParticleFlow/src/regionizer/folded_multififo_regionizer_ref.cpp
@@ -35,7 +35,6 @@ l1ct::FoldedMultififoRegionizerEmulator::FoldedMultififoRegionizerEmulator(unsig
   // now we initialize the routes: track finder
   for (unsigned int ie = 0; ie < 2; ++ie) {
     fold_.emplace_back(ie,
-#ifdef CMSSW_GIT_HASH
                        std::make_unique<l1ct::MultififoRegionizerEmulator>(
                            /*nendcaps=*/1,
                            nclocks / 2,
@@ -49,21 +48,6 @@ l1ct::FoldedMultififoRegionizerEmulator::FoldedMultififoRegionizerEmulator(unsig
                            outii,
                            pauseii,
                            useAlsoVtxCoords));
-#else
-                       std::unique_ptr<l1ct::MultififoRegionizerEmulator>(new l1ct::MultififoRegionizerEmulator(
-                           /*nendcaps=*/1,
-                           nclocks / 2,
-                           NTK_LINKS,
-                           NCALO_LINKS,
-                           ntk,
-                           ncalo,
-                           nem,
-                           nmu,
-                           streaming,
-                           outii,
-                           pauseii,
-                           useAlsoVtxCoords)));
-#endif
   }
   clocksPerFold_ = nclocks / 2;
 }
diff --git a/L1Trigger/Phase2L1ParticleFlow/src/regionizer/multififo_regionizer_ref.cpp b/L1Trigger/Phase2L1ParticleFlow/src/regionizer/multififo_regionizer_ref.cpp
index e6a3813aaddc6..cfe6ec7664565 100644
--- a/L1Trigger/Phase2L1ParticleFlow/src/regionizer/multififo_regionizer_ref.cpp
+++ b/L1Trigger/Phase2L1ParticleFlow/src/regionizer/multififo_regionizer_ref.cpp
@@ -4,6 +4,7 @@
 
 #include <iostream>
 #include <memory>
+#include <stdexcept>
 
 #ifdef CMSSW_GIT_HASH
 #include "FWCore/ParameterSet/interface/ParameterSet.h"
@@ -27,6 +28,23 @@ l1ct::MultififoRegionizerEmulator::MultififoRegionizerEmulator(const edm::Parame
     setEgInterceptMode(emSelCfg.getParameter<bool>("afterFifo"), emSelCfg);
   }
 }
+
+l1ct::MultififoRegionizerEmulator::MultififoRegionizerEmulator(const std::string& barrelSetup,
+                                                               const edm::ParameterSet& iConfig)
+    : MultififoRegionizerEmulator(parseBarrelSetup(barrelSetup),
+                                  iConfig.getParameter<uint32_t>("nHCalLinks"),
+                                  iConfig.getParameter<uint32_t>("nECalLinks"),
+                                  iConfig.getParameter<uint32_t>("nClocks"),
+                                  iConfig.getParameter<uint32_t>("nTrack"),
+                                  iConfig.getParameter<uint32_t>("nCalo"),
+                                  iConfig.getParameter<uint32_t>("nEmCalo"),
+                                  iConfig.getParameter<uint32_t>("nMu"),
+                                  /*streaming=*/false,
+                                  /*outii=*/1,
+                                  /*pauseii=*/0,
+                                  iConfig.getParameter<bool>("useAlsoVtxCoords")) {
+  debug_ = iConfig.getUntrackedParameter<bool>("debug", false);
+}
 #endif
 
 l1ct::MultififoRegionizerEmulator::MultififoRegionizerEmulator(unsigned int nendcaps,
@@ -240,14 +258,20 @@ l1ct::MultififoRegionizerEmulator::MultififoRegionizerEmulator(BarrelSetup barre
 
 l1ct::MultififoRegionizerEmulator::~MultififoRegionizerEmulator() {}
 
+l1ct::MultififoRegionizerEmulator::BarrelSetup l1ct::MultififoRegionizerEmulator::parseBarrelSetup(
+    const std::string& setup) {
+  if (setup == "Full54")
+    return BarrelSetup::Full54;
+  if (setup == "Full27")
+    return BarrelSetup::Full27;
+  throw std::invalid_argument("barrelSetup for CMSSW can only be Full54 or Full27");
+  return BarrelSetup::Full54;
+}
+
 void l1ct::MultififoRegionizerEmulator::setEgInterceptMode(bool afterFifo,
                                                            const l1ct::EGInputSelectorEmuConfig& interceptorConfig) {
   emInterceptMode_ = afterFifo ? interceptPostFifo : interceptPreFifo;
-#ifdef CMSSW_GIT_HASH
   interceptor_ = std::make_unique<EGInputSelectorEmulator>(interceptorConfig);
-#else
-  interceptor_.reset(new EGInputSelectorEmulator(interceptorConfig));
-#endif
 }
 
 void l1ct::MultififoRegionizerEmulator::initSectorsAndRegions(const RegionizerDecodedInputs& in,