diff --git a/app/_locales/de/messages.json b/app/_locales/de/messages.json
index fc21b907a..4c7749a01 100644
--- a/app/_locales/de/messages.json
+++ b/app/_locales/de/messages.json
@@ -1408,9 +1408,6 @@
   "lastConnected": {
     "message": "Zuletzt verbunden"
   },
-  "layer1Fees": {
-    "message": "Ebene 1 Gebühren"
-  },
   "learmMoreAboutGas": {
     "message": "Wollen Sie 1 $ über Gas?"
   },
diff --git a/app/_locales/el/messages.json b/app/_locales/el/messages.json
index 9361040d8..f91fc7653 100644
--- a/app/_locales/el/messages.json
+++ b/app/_locales/el/messages.json
@@ -1405,9 +1405,6 @@
   "lastConnected": {
     "message": "Τελευταία Σύνδεση"
   },
-  "layer1Fees": {
-    "message": "Τέλη επιπέδου 1"
-  },
   "learmMoreAboutGas": {
     "message": "Θέλετε να $1 για το τέλος συναλλαγής;"
   },
diff --git a/app/_locales/en/messages.json b/app/_locales/en/messages.json
index 856d88103..95e2c1b45 100644
--- a/app/_locales/en/messages.json
+++ b/app/_locales/en/messages.json
@@ -1277,6 +1277,9 @@
   "gasEstimatesUnavailableWarning": {
     "message": "Our low, medium and high estimates are not available."
   },
+  "gasFee": {
+    "message": "Gas Fee"
+  },
   "gasLimit": {
     "message": "Gas Limit"
   },
@@ -1629,9 +1632,6 @@
   "lastConnected": {
     "message": "Last Connected"
   },
-  "layer1Fees": {
-    "message": "Layer 1 fees"
-  },
   "learmMoreAboutGas": {
     "message": "Want to $1 about gas?"
   },
diff --git a/app/_locales/es_419/messages.json b/app/_locales/es_419/messages.json
index 623e3fae0..759bc10bf 100644
--- a/app/_locales/es_419/messages.json
+++ b/app/_locales/es_419/messages.json
@@ -1454,9 +1454,6 @@
   "lastConnected": {
     "message": "Última conexión"
   },
-  "layer1Fees": {
-    "message": "Cargos de capa 1"
-  },
   "learmMoreAboutGas": {
     "message": "¿Quiere $1 sobre el gas?"
   },
diff --git a/app/_locales/fr/messages.json b/app/_locales/fr/messages.json
index eaf0e1fd6..69d8a2d5a 100644
--- a/app/_locales/fr/messages.json
+++ b/app/_locales/fr/messages.json
@@ -1405,9 +1405,6 @@
   "lastConnected": {
     "message": "Dernière connexion"
   },
-  "layer1Fees": {
-    "message": "Frais de couche 1 (L1)"
-  },
   "learmMoreAboutGas": {
     "message": "Souhaitez-vous $1 sur le carburant ?"
   },
diff --git a/app/_locales/hi/messages.json b/app/_locales/hi/messages.json
index 9d0120286..69b111159 100644
--- a/app/_locales/hi/messages.json
+++ b/app/_locales/hi/messages.json
@@ -1405,9 +1405,6 @@
   "lastConnected": {
     "message": "अंतिम बार कनेक्ट किया गया"
   },
-  "layer1Fees": {
-    "message": "लेयर 1 शुल्क"
-  },
   "learmMoreAboutGas": {
     "message": "गैस के बारे में $1 चाहते हैं?"
   },
diff --git a/app/_locales/id/messages.json b/app/_locales/id/messages.json
index 91dc8d786..720cbd97d 100644
--- a/app/_locales/id/messages.json
+++ b/app/_locales/id/messages.json
@@ -1405,9 +1405,6 @@
   "lastConnected": {
     "message": "Terakhir Terhubung"
   },
-  "layer1Fees": {
-    "message": "Biaya lapis 1"
-  },
   "learmMoreAboutGas": {
     "message": "Ingin $1 seputar gas?"
   },
diff --git a/app/_locales/ja/messages.json b/app/_locales/ja/messages.json
index ff040b63c..4107b4396 100644
--- a/app/_locales/ja/messages.json
+++ b/app/_locales/ja/messages.json
@@ -1405,9 +1405,6 @@
   "lastConnected": {
     "message": "前回の接続"
   },
-  "layer1Fees": {
-    "message": "レイヤー1手数料"
-  },
   "learmMoreAboutGas": {
     "message": "ガスについて$1しますか?"
   },
diff --git a/app/_locales/ko/messages.json b/app/_locales/ko/messages.json
index d69803bf2..35c9e2c4d 100644
--- a/app/_locales/ko/messages.json
+++ b/app/_locales/ko/messages.json
@@ -1405,9 +1405,6 @@
   "lastConnected": {
     "message": "마지막 연결"
   },
-  "layer1Fees": {
-    "message": "레이어 1 요금"
-  },
   "learmMoreAboutGas": {
     "message": "가스에 대해 $1하시겠습니까?"
   },
diff --git a/app/_locales/pt_BR/messages.json b/app/_locales/pt_BR/messages.json
index 709976533..793a95650 100644
--- a/app/_locales/pt_BR/messages.json
+++ b/app/_locales/pt_BR/messages.json
@@ -1438,9 +1438,6 @@
   "lastConnected": {
     "message": "Conectado pela última vez em"
   },
-  "layer1Fees": {
-    "message": "Taxas de camada 1"
-  },
   "learmMoreAboutGas": {
     "message": "Quer $1 sobre o gás?"
   },
diff --git a/app/_locales/ru/messages.json b/app/_locales/ru/messages.json
index ed4f7be2d..fed0f9550 100644
--- a/app/_locales/ru/messages.json
+++ b/app/_locales/ru/messages.json
@@ -1405,9 +1405,6 @@
   "lastConnected": {
     "message": "Последнее подключение"
   },
-  "layer1Fees": {
-    "message": "Комиссии 1-го уровня"
-  },
   "learmMoreAboutGas": {
     "message": "Хотите $1 о газе?"
   },
diff --git a/app/_locales/tl/messages.json b/app/_locales/tl/messages.json
index bbe4ee146..fa2d0773f 100644
--- a/app/_locales/tl/messages.json
+++ b/app/_locales/tl/messages.json
@@ -1405,9 +1405,6 @@
   "lastConnected": {
     "message": "Huling Kumonekta"
   },
-  "layer1Fees": {
-    "message": "Layer 1 fees"
-  },
   "learmMoreAboutGas": {
     "message": "Gusto mo bang $1 ang tungkol sa gas?"
   },
diff --git a/app/_locales/tr/messages.json b/app/_locales/tr/messages.json
index 6b6d16d82..6633eccba 100644
--- a/app/_locales/tr/messages.json
+++ b/app/_locales/tr/messages.json
@@ -1405,9 +1405,6 @@
   "lastConnected": {
     "message": "Son Bağlanma"
   },
-  "layer1Fees": {
-    "message": "Aşama 1 ücretleri"
-  },
   "learmMoreAboutGas": {
     "message": "Gaz hakkında $1 istiyor musunuz?"
   },
diff --git a/app/_locales/vi/messages.json b/app/_locales/vi/messages.json
index ec79f2710..d2e38f2f1 100644
--- a/app/_locales/vi/messages.json
+++ b/app/_locales/vi/messages.json
@@ -1405,9 +1405,6 @@
   "lastConnected": {
     "message": "Đã kết nối lần cuối"
   },
-  "layer1Fees": {
-    "message": "Phí Lớp 1"
-  },
   "learmMoreAboutGas": {
     "message": "Muốn $1 về gas?"
   },
diff --git a/app/_locales/zh_CN/messages.json b/app/_locales/zh_CN/messages.json
index e09b89ad4..94bc07f8f 100644
--- a/app/_locales/zh_CN/messages.json
+++ b/app/_locales/zh_CN/messages.json
@@ -1405,9 +1405,6 @@
   "lastConnected": {
     "message": "最后连接"
   },
-  "layer1Fees": {
-    "message": "1层费用"
-  },
   "learmMoreAboutGas": {
     "message": "想要有关燃料$1？"
   },
diff --git a/ui/components/app/advanced-gas-controls/advanced-gas-controls.component.js b/ui/components/app/advanced-gas-controls/advanced-gas-controls.component.js
index 62edad403..cc2e09680 100644
--- a/ui/components/app/advanced-gas-controls/advanced-gas-controls.component.js
+++ b/ui/components/app/advanced-gas-controls/advanced-gas-controls.component.js
@@ -7,7 +7,7 @@ import FormField from '../../ui/form-field';
 import { GAS_ESTIMATE_TYPES } from '../../../../shared/constants/gas';
 import { getGasFormErrorText } from '../../../helpers/constants/gas';
 import { getIsGasEstimatesLoading } from '../../../ducks/metamask/metamask';
-import { getNetworkSupportsSettingGasPrice } from '../../../selectors';
+import { getNetworkSupportsSettingGasFees } from '../../../selectors';
 
 export default function AdvancedGasControls({
   gasEstimateType,
@@ -35,8 +35,8 @@ export default function AdvancedGasControls({
       gasEstimateType === GAS_ESTIMATE_TYPES.ETH_GASPRICE ||
       isGasEstimatesLoading);
 
-  const networkSupportsSettingGasPrice = useSelector(
-    getNetworkSupportsSettingGasPrice,
+  const networkSupportsSettingGasFees = useSelector(
+    getNetworkSupportsSettingGasFees,
   );
 
   return (
@@ -55,6 +55,7 @@ export default function AdvancedGasControls({
         tooltipText={t('editGasLimitTooltip')}
         value={gasLimit}
         allowDecimals={false}
+        disabled={!networkSupportsSettingGasFees}
         numeric
       />
       {showFeeMarketFields ? (
@@ -111,7 +112,7 @@ export default function AdvancedGasControls({
                 ? getGasFormErrorText(gasErrors.gasPrice, t)
                 : null
             }
-            disabled={!networkSupportsSettingGasPrice}
+            disabled={!networkSupportsSettingGasFees}
           />
         </>
       )}
diff --git a/ui/components/app/app-components.scss b/ui/components/app/app-components.scss
index 9a53b3f2b..4a49ad110 100644
--- a/ui/components/app/app-components.scss
+++ b/ui/components/app/app-components.scss
@@ -45,6 +45,7 @@
 @import 'menu-bar/index';
 @import 'modal/index';
 @import 'modals/index';
+@import 'multilayer-fee-message/index';
 @import 'multiple-notifications/index';
 @import 'network-display/index';
 @import 'permission-page-container/index';
diff --git a/ui/components/app/gas-customization/advanced-gas-inputs/advanced-gas-inputs.component.js b/ui/components/app/gas-customization/advanced-gas-inputs/advanced-gas-inputs.component.js
index 128b8361f..9de986699 100644
--- a/ui/components/app/gas-customization/advanced-gas-inputs/advanced-gas-inputs.component.js
+++ b/ui/components/app/gas-customization/advanced-gas-inputs/advanced-gas-inputs.component.js
@@ -20,12 +20,12 @@ export default class AdvancedGasInputs extends Component {
     customGasLimitMessage: PropTypes.string,
     minimumGasLimit: PropTypes.number,
     customPriceIsExcessive: PropTypes.bool,
-    networkSupportsSettingGasPrice: PropTypes.bool,
+    networkSupportsSettingGasFees: PropTypes.bool,
   };
 
   static defaultProps = {
     customPriceIsExcessive: false,
-    networkSupportsSettingGasPrice: true,
+    networkSupportsSettingGasFees: true,
   };
 
   constructor(props) {
@@ -202,10 +202,14 @@ export default class AdvancedGasInputs extends Component {
       customGasLimitMessage,
       minimumGasLimit,
       customPriceIsExcessive,
-      networkSupportsSettingGasPrice,
+      networkSupportsSettingGasFees,
     } = this.props;
     const { gasPrice, gasLimit } = this.state;
 
+    if (!networkSupportsSettingGasFees) {
+      return null;
+    }
+
     const {
       errorText: gasPriceErrorText,
       errorType: gasPriceErrorType,
@@ -252,7 +256,7 @@ export default class AdvancedGasInputs extends Component {
           onChange: this.onChangeGasPrice,
           errorComponent: gasPriceErrorComponent,
           errorType: gasPriceErrorType,
-          disabled: !networkSupportsSettingGasPrice,
+          disabled: !networkSupportsSettingGasFees,
         })}
         {this.renderGasInput({
           label: this.context.t('gasLimit'),
@@ -263,6 +267,7 @@ export default class AdvancedGasInputs extends Component {
           errorComponent: gasLimitErrorComponent,
           customMessageComponent: gasLimitCustomMessageComponent,
           errorType: gasLimitErrorType,
+          disabled: !networkSupportsSettingGasFees,
         })}
       </div>
     );
diff --git a/ui/components/app/gas-customization/advanced-gas-inputs/advanced-gas-inputs.container.js b/ui/components/app/gas-customization/advanced-gas-inputs/advanced-gas-inputs.container.js
index 314410aa5..eca645f55 100644
--- a/ui/components/app/gas-customization/advanced-gas-inputs/advanced-gas-inputs.container.js
+++ b/ui/components/app/gas-customization/advanced-gas-inputs/advanced-gas-inputs.container.js
@@ -4,7 +4,7 @@ import {
   decimalToHex,
   hexWEIToDecGWEI,
 } from '../../../../helpers/utils/conversions.util';
-import { getNetworkSupportsSettingGasPrice } from '../../../../selectors/selectors';
+import { getNetworkSupportsSettingGasFees } from '../../../../selectors/selectors';
 import { MIN_GAS_LIMIT_DEC } from '../../../../pages/send/send.constants';
 import AdvancedGasInputs from './advanced-gas-inputs.component';
 
@@ -22,7 +22,7 @@ function convertMinimumGasLimitForInputs(minimumGasLimit = MIN_GAS_LIMIT_DEC) {
 
 function mapStateToProps(state) {
   return {
-    networkSupportsSettingGasPrice: getNetworkSupportsSettingGasPrice(state),
+    networkSupportsSettingGasFees: getNetworkSupportsSettingGasFees(state),
   };
 }
 
diff --git a/ui/components/app/multilayer-fee-message/index.scss b/ui/components/app/multilayer-fee-message/index.scss
new file mode 100644
index 000000000..f4b684ecd
--- /dev/null
+++ b/ui/components/app/multilayer-fee-message/index.scss
@@ -0,0 +1,3 @@
+.multi-layer-fee-message {
+  padding-top: 24px;
+}
diff --git a/ui/components/app/multilayer-fee-message/multi-layer-fee-message.js b/ui/components/app/multilayer-fee-message/multi-layer-fee-message.js
index 22368d146..e5ad8d6fd 100644
--- a/ui/components/app/multilayer-fee-message/multi-layer-fee-message.js
+++ b/ui/components/app/multilayer-fee-message/multi-layer-fee-message.js
@@ -2,7 +2,9 @@ import React, { useContext, useState, useEffect } from 'react';
 import PropTypes from 'prop-types';
 import { captureException } from '@sentry/browser';
 import TransactionDetailItem from '../transaction-detail-item/transaction-detail-item.component';
+import UserPreferencedCurrencyDisplay from '../user-preferenced-currency-display';
 import fetchEstimatedL1Fee from '../../../helpers/utils/optimism/fetchEstimatedL1Fee';
+import { SECONDARY } from '../../../helpers/constants/common';
 import { I18nContext } from '../../../contexts/i18n';
 import { sumHexes } from '../../../helpers/utils/transactions.util';
 import {
@@ -21,23 +23,26 @@ export default function MultilayerFeeMessage({
   const [fetchedLayer1Total, setLayer1Total] = useState(null);
 
   let layer1Total = 'unknown';
+  let layer1TotalBN;
 
   if (fetchedLayer1Total !== null) {
-    const layer1TotalBN = toBigNumber.hex(fetchedLayer1Total);
+    layer1TotalBN = toBigNumber.hex(fetchedLayer1Total);
     layer1Total = `${toNormalizedDenomination
       .WEI(layer1TotalBN)
-      .toString(10)} ${nativeCurrency}`;
+      .toFixed(12)} ${nativeCurrency}`;
   }
 
+  const feeTotal = sumHexes(layer2fee || '0x0', fetchedLayer1Total || '0x0');
+
   const totalInWeiHex = sumHexes(
-    layer2fee || '0x0',
-    fetchedLayer1Total || '0x0',
+    feeTotal || '0x0',
     transaction.txParams.value || '0x0',
   );
+
   const totalBN = toBigNumber.hex(totalInWeiHex);
   const totalInEth = `${toNormalizedDenomination
     .WEI(totalBN)
-    .toString(10)} ${nativeCurrency}`;
+    .toFixed(12)} ${nativeCurrency}`;
 
   useEffect(() => {
     const getEstimatedL1Fee = async () => {
@@ -52,12 +57,31 @@ export default function MultilayerFeeMessage({
     getEstimatedL1Fee();
   }, [transaction]);
 
+  const feeTotalInFiat = (
+    <UserPreferencedCurrencyDisplay
+      type={SECONDARY}
+      value={feeTotal}
+      showFiat
+      hideLabel
+    />
+  );
+
+  const totalInFiat = (
+    <UserPreferencedCurrencyDisplay
+      type={SECONDARY}
+      value={totalInWeiHex}
+      showFiat
+      hideLabel
+    />
+  );
+
   return (
-    <>
+    <div className="multi-layer-fee-message">
       <TransactionDetailItem
         key="total-item"
-        detailTitle={t('layer1Fees')}
+        detailTitle={t('gasFee')}
         detailTotal={layer1Total}
+        detailText={feeTotalInFiat}
         noBold={plainStyle}
         flexWidthValues={plainStyle}
       />
@@ -65,11 +89,12 @@ export default function MultilayerFeeMessage({
         key="total-item"
         detailTitle={t('total')}
         detailTotal={totalInEth}
+        detailText={totalInFiat}
         subTitle={t('transactionDetailMultiLayerTotalSubtitle')}
         noBold={plainStyle}
         flexWidthValues={plainStyle}
       />
-    </>
+    </div>
   );
 }
 
diff --git a/ui/components/app/user-preferenced-currency-display/user-preferenced-currency-display.component.js b/ui/components/app/user-preferenced-currency-display/user-preferenced-currency-display.component.js
index 6589a818e..c2beced07 100644
--- a/ui/components/app/user-preferenced-currency-display/user-preferenced-currency-display.component.js
+++ b/ui/components/app/user-preferenced-currency-display/user-preferenced-currency-display.component.js
@@ -12,12 +12,14 @@ export default function UserPreferencedCurrencyDisplay({
   numberOfDecimals: propsNumberOfDecimals,
   showEthLogo,
   type,
+  showFiat,
   ...restProps
 }) {
   const { currency, numberOfDecimals } = useUserPreferencedCurrency(type, {
     ethNumberOfDecimals,
     fiatNumberOfDecimals,
     numberOfDecimals: propsNumberOfDecimals,
+    showFiatOverride: showFiat,
   });
   const prefixComponent = useMemo(() => {
     return (
@@ -65,4 +67,5 @@ UserPreferencedCurrencyDisplay.propTypes = {
     PropTypes.string,
     PropTypes.number,
   ]),
+  showFiat: PropTypes.boolean,
 };
diff --git a/ui/ducks/send/send.js b/ui/ducks/send/send.js
index 3a0f07c2e..e4a541ffc 100644
--- a/ui/ducks/send/send.js
+++ b/ui/ducks/send/send.js
@@ -44,6 +44,7 @@ import {
   getUseTokenDetection,
   getTokenList,
   getAddressBookEntryOrAccountName,
+  getIsMultiLayerFeeNetwork,
 } from '../../selectors';
 import {
   disconnectGasFeeEstimatePoller,
@@ -91,6 +92,9 @@ import {
   isBurnAddress,
   isValidHexAddress,
 } from '../../../shared/modules/hexstring-utils';
+import { sumHexes } from '../../helpers/utils/transactions.util';
+import fetchEstimatedL1Fee from '../../helpers/utils/optimism/fetchEstimatedL1Fee';
+
 import { CHAIN_ID_TO_GAS_LIMIT_BUFFER_MAP } from '../../../shared/constants/network';
 import {
   ERC20,
@@ -192,6 +196,7 @@ async function estimateGasLimitForSend({
   data,
   isNonStandardEthChain,
   chainId,
+  gasLimit,
   ...options
 }) {
   let isSimpleSendOnNonStandardNetwork = false;
@@ -313,12 +318,14 @@ async function estimateGasLimitForSend({
       error.message.includes('Transaction execution error.') ||
       error.message.includes(
         'gas required exceeds allowance or always failing transaction',
-      );
+      ) ||
+      (CHAIN_ID_TO_GAS_LIMIT_BUFFER_MAP[chainId] &&
+        error.message.includes('gas required exceeds allowance'));
     if (simulationFailed) {
       const estimateWithBuffer = addGasBuffer(
-        paramsForGasEstimate.gas,
+        paramsForGasEstimate?.gas ?? gasLimit,
         blockGasLimit,
-        1.5,
+        bufferMultiplier,
       );
       return addHexPrefix(estimateWithBuffer);
     }
@@ -362,9 +369,29 @@ export const computeEstimatedGasLimit = createAsyncThunk(
     const state = thunkApi.getState();
     const { send, metamask } = state;
     const unapprovedTxs = getUnapprovedTxs(state);
+    const isMultiLayerFeeNetwork = getIsMultiLayerFeeNetwork(state);
     const transaction = unapprovedTxs[send.draftTransaction.id];
     const isNonStandardEthChain = getIsNonStandardEthChain(state);
     const chainId = getCurrentChainId(state);
+
+    let layer1GasTotal;
+    if (isMultiLayerFeeNetwork) {
+      layer1GasTotal = await fetchEstimatedL1Fee(global.eth, {
+        txParams: {
+          gasPrice: send.gas.gasPrice,
+          gas: send.gas.gasLimit,
+          to: send.recipient.address?.toLowerCase(),
+          value:
+            send.amount.mode === 'MAX'
+              ? send.account.balance
+              : send.amount.value,
+          from: send.account.address,
+          data: send.draftTransaction.userInputHexData,
+          type: '0x0',
+        },
+      });
+    }
+
     if (
       send.stage !== SEND_STAGES.EDIT ||
       !transaction.dappSuggestedGasFees?.gas ||
@@ -380,10 +407,12 @@ export const computeEstimatedGasLimit = createAsyncThunk(
         data: send.draftTransaction.userInputHexData,
         isNonStandardEthChain,
         chainId,
+        gasLimit: send.gas.gasLimit,
       });
       await thunkApi.dispatch(setCustomGasLimit(gasLimit));
       return {
         gasLimit,
+        layer1GasTotal,
       };
     }
     return null;
@@ -651,6 +680,10 @@ export const initialState = {
     // Warning to display on the address field
     warning: null,
   },
+  multiLayerFees: {
+    // Layer 1 gas fee total on multi-layer fee networks
+    layer1GasTotal: '0x0',
+  },
 };
 
 const slice = createSlice({
@@ -697,9 +730,13 @@ const slice = createSlice({
           multiplierBase: 10,
         });
       } else {
+        const _gasTotal = sumHexes(
+          state.gas.gasTotal || '0x0',
+          state.multiLayerFees?.layer1GasTotal || '0x0',
+        );
         amount = subtractCurrencies(
           addHexPrefix(state.asset.balance),
-          addHexPrefix(state.gas.gasTotal),
+          addHexPrefix(_gasTotal),
           {
             toNumericBase: 'hex',
             aBase: 16,
@@ -881,6 +918,21 @@ const slice = createSlice({
       // Record the latest gasPriceEstimate for future comparisons
       state.gas.gasPriceEstimate = addHexPrefix(gasPriceEstimate);
     },
+    /**
+     * sets the layer 1 fees total (for a multi-layer fee network)
+     *
+     * @param state
+     * @param action
+     */
+    updateLayer1Fees: (state, action) => {
+      state.multiLayerFees.layer1GasTotal = action.payload;
+      if (
+        state.amount.mode === AMOUNT_MODES.MAX &&
+        state.asset.type === ASSET_TYPES.NATIVE
+      ) {
+        slice.caseReducers.updateAmountToMax(state);
+      }
+    },
     /**
      * sets the amount mode to the provided value as long as it is one of the
      * supported modes (MAX|INPUT)
@@ -1319,6 +1371,11 @@ const slice = createSlice({
             payload: action.payload.gasLimit,
           });
         }
+        if (action.payload?.layer1GasTotal) {
+          slice.caseReducers.updateLayer1Fees(state, {
+            payload: action.payload.layer1GasTotal,
+          });
+        }
       })
       .addCase(computeEstimatedGasLimit.rejected, (state) => {
         // If gas estimation fails, we should set the loading state to false,
diff --git a/ui/hooks/useUserPreferencedCurrency.js b/ui/hooks/useUserPreferencedCurrency.js
index 79774e925..2559a29c3 100644
--- a/ui/hooks/useUserPreferencedCurrency.js
+++ b/ui/hooks/useUserPreferencedCurrency.js
@@ -44,7 +44,7 @@ export function useUserPreferencedCurrency(type, opts = {}) {
     getPreferences,
     shallowEqual,
   );
-  const showFiat = useSelector(getShouldShowFiat);
+  const showFiat = useSelector(getShouldShowFiat) || opts.showFiatOverride;
   const currentCurrency = useSelector(getCurrentCurrency);
 
   let currency, numberOfDecimals;
diff --git a/ui/pages/confirm-transaction-base/confirm-transaction-base.component.js b/ui/pages/confirm-transaction-base/confirm-transaction-base.component.js
index a46c72f2f..097aa7f25 100644
--- a/ui/pages/confirm-transaction-base/confirm-transaction-base.component.js
+++ b/ui/pages/confirm-transaction-base/confirm-transaction-base.component.js
@@ -449,9 +449,7 @@ export default class ConfirmTransactionBase extends Component {
           detailTitle={
             txData.dappSuggestedGasFees ? (
               <>
-                {isMultiLayerFeeNetwork
-                  ? t('transactionDetailLayer2GasHeading')
-                  : t('transactionDetailGasHeading')}
+                {t('transactionDetailGasHeading')}
                 <InfoTooltip
                   contentText={t('transactionDetailDappGasTooltip')}
                   position="top"
@@ -461,9 +459,7 @@ export default class ConfirmTransactionBase extends Component {
               </>
             ) : (
               <>
-                {isMultiLayerFeeNetwork
-                  ? t('transactionDetailLayer2GasHeading')
-                  : t('transactionDetailGasHeading')}
+                {t('transactionDetailGasHeading')}
                 <InfoTooltip
                   contentText={
                     <>
@@ -492,16 +488,14 @@ export default class ConfirmTransactionBase extends Component {
             )
           }
           detailText={
-            !isMultiLayerFeeNetwork && (
-              <div className="confirm-page-container-content__currency-container">
-                {renderHeartBeatIfNotInTest()}
-                <UserPreferencedCurrencyDisplay
-                  type={SECONDARY}
-                  value={hexMinimumTransactionFee}
-                  hideLabel={Boolean(useNativeCurrencyAsPrimaryCurrency)}
-                />
-              </div>
-            )
+            <div className="confirm-page-container-content__currency-container test">
+              {renderHeartBeatIfNotInTest()}
+              <UserPreferencedCurrencyDisplay
+                type={SECONDARY}
+                value={hexMinimumTransactionFee}
+                hideLabel={Boolean(useNativeCurrencyAsPrimaryCurrency)}
+              />
+            </div>
           }
           detailTotal={
             <div className="confirm-page-container-content__currency-container">
@@ -510,30 +504,28 @@ export default class ConfirmTransactionBase extends Component {
                 type={PRIMARY}
                 value={hexMinimumTransactionFee}
                 hideLabel={!useNativeCurrencyAsPrimaryCurrency}
-                numberOfDecimals={isMultiLayerFeeNetwork ? 18 : 6}
+                numberOfDecimals={6}
               />
             </div>
           }
           subText={
-            !isMultiLayerFeeNetwork && (
-              <>
-                <strong key="editGasSubTextFeeLabel">
-                  {t('editGasSubTextFeeLabel')}
-                </strong>
-                <div
-                  key="editGasSubTextFeeValue"
-                  className="confirm-page-container-content__currency-container"
-                >
-                  {renderHeartBeatIfNotInTest()}
-                  <UserPreferencedCurrencyDisplay
-                    key="editGasSubTextFeeAmount"
-                    type={PRIMARY}
-                    value={hexMaximumTransactionFee}
-                    hideLabel={!useNativeCurrencyAsPrimaryCurrency}
-                  />
-                </div>
-              </>
-            )
+            <>
+              <strong key="editGasSubTextFeeLabel">
+                {t('editGasSubTextFeeLabel')}
+              </strong>
+              <div
+                key="editGasSubTextFeeValue"
+                className="confirm-page-container-content__currency-container"
+              >
+                {renderHeartBeatIfNotInTest()}
+                <UserPreferencedCurrencyDisplay
+                  key="editGasSubTextFeeAmount"
+                  type={PRIMARY}
+                  value={hexMaximumTransactionFee}
+                  hideLabel={!useNativeCurrencyAsPrimaryCurrency}
+                />
+              </div>
+            </>
           }
           subTitle={
             <>
@@ -596,11 +588,15 @@ export default class ConfirmTransactionBase extends Component {
           disabled={isDisabled()}
           userAcknowledgedGasMissing={userAcknowledgedGasMissing}
           onEdit={
-            renderSimulationFailureWarning ? null : () => this.handleEditGas()
+            renderSimulationFailureWarning || isMultiLayerFeeNetwork
+              ? null
+              : () => this.handleEditGas()
           }
           rows={[
             renderSimulationFailureWarning && simulationFailureWarning(),
-            !renderSimulationFailureWarning && renderGasDetailsItem(),
+            !renderSimulationFailureWarning &&
+              !isMultiLayerFeeNetwork &&
+              renderGasDetailsItem(),
             !renderSimulationFailureWarning && isMultiLayerFeeNetwork && (
               <MultiLayerFeeMessage
                 transaction={txData}
diff --git a/ui/selectors/selectors.js b/ui/selectors/selectors.js
index 40daed3b7..e0e223d7a 100644
--- a/ui/selectors/selectors.js
+++ b/ui/selectors/selectors.js
@@ -866,7 +866,7 @@ export function getIsOptimism(state) {
   );
 }
 
-export function getNetworkSupportsSettingGasPrice(state) {
+export function getNetworkSupportsSettingGasFees(state) {
   return !getIsOptimism(state);
 }