diff --git a/packages/app/src/systems/Core/utils/wallet.ts b/packages/app/src/systems/Core/utils/wallet.ts
index 1c212b861d..20f3d3d9b0 100644
--- a/packages/app/src/systems/Core/utils/wallet.ts
+++ b/packages/app/src/systems/Core/utils/wallet.ts
@@ -1,7 +1,18 @@
-import type { TransactionRequestLike, TransactionResponse } from 'fuels';
+import type {
+  EstimateTransactionParams,
+  TransactionRequest,
+  TransactionRequestLike,
+  TransactionResponse,
+  // SendTransactionParams, This should come from fuels
+} from 'fuels';
 import { WalletLocked, hashMessage, transactionRequestify } from 'fuels';
 import { VaultService } from '~/systems/Vault';
 
+interface SendTransactionParams {
+  skipCustomFee?: boolean;
+  onBeforeSend?: (txRequest: TransactionRequest) => Promise<TransactionRequest>;
+}
+
 export class WalletLockedCustom extends WalletLocked {
   /**
    * Sign message with wallet instance privateKey
@@ -39,9 +50,16 @@ export class WalletLockedCustom extends WalletLocked {
   }
 
   async sendTransaction(
-    transactionRequestLike: TransactionRequestLike
+    transactionRequestLike: TransactionRequestLike,
+    params?: EstimateTransactionParams & SendTransactionParams
   ): Promise<TransactionResponse> {
-    const transactionRequest = transactionRequestify(transactionRequestLike);
+    let transactionRequest = transactionRequestify(transactionRequestLike);
+
+    // Apply onBeforeSend hook if provided
+    if (params?.onBeforeSend) {
+      transactionRequest = await params.onBeforeSend(transactionRequest);
+    }
+
     const txRequestToSend =
       await this.populateTransactionWitnessesSignature(transactionRequest);
 
diff --git a/packages/app/src/systems/DApp/pages/TransactionRequest/TransactionRequest.tsx b/packages/app/src/systems/DApp/pages/TransactionRequest/TransactionRequest.tsx
index 433923442c..e5de4132f0 100644
--- a/packages/app/src/systems/DApp/pages/TransactionRequest/TransactionRequest.tsx
+++ b/packages/app/src/systems/DApp/pages/TransactionRequest/TransactionRequest.tsx
@@ -93,6 +93,7 @@ export function TransactionRequest() {
               errors={errors.simulateTxErrors}
               isConfirm
               fees={fees}
+              skipCustomFee={txRequest.input.skipCustomFee}
             />
           )}
           {shouldShowTxExecuted && (
@@ -100,6 +101,7 @@ export function TransactionRequest() {
               showDetails
               tx={txSummaryExecuted}
               txStatus={executedStatus()}
+              skipCustomFee={txRequest.input.skipCustomFee}
               footer={
                 status('failed') && (
                   <Button
diff --git a/packages/app/src/systems/Send/machines/sendMachine.ts b/packages/app/src/systems/Send/machines/sendMachine.ts
index 7da036b12b..1bf7b0e00f 100644
--- a/packages/app/src/systems/Send/machines/sendMachine.ts
+++ b/packages/app/src/systems/Send/machines/sendMachine.ts
@@ -26,6 +26,7 @@ export type MachineContext = {
   maxGasLimit?: BN;
   input?: TxInputs['createTransfer'];
   error?: string;
+  skipCustomFee?: boolean;
 };
 
 type EstimateDefaultTipsReturn = {
@@ -43,6 +44,7 @@ type CreateTransactionReturn = {
   transactionRequest?: TransactionRequest;
   providerUrl: string;
   address: string;
+  skipCustomFee?: boolean;
 };
 
 type MachineServices = {
@@ -183,6 +185,7 @@ export const sendMachine = createMachine(
         address: ev.data.address,
         baseFee: ev.data.baseFee ?? ctx.baseFee,
         gasLimit: ev.data.gasLimit ?? ctx.gasLimit,
+        skipCustomFee: ev.data.skipCustomFee ?? ctx.skipCustomFee,
         error: undefined,
       })),
     },
diff --git a/packages/app/src/systems/Transaction/components/TxContent/TxContent.tsx b/packages/app/src/systems/Transaction/components/TxContent/TxContent.tsx
index c4ecc7dfea..9b41a0d397 100644
--- a/packages/app/src/systems/Transaction/components/TxContent/TxContent.tsx
+++ b/packages/app/src/systems/Transaction/components/TxContent/TxContent.tsx
@@ -97,6 +97,7 @@ export type TxContentInfoProps = {
     fastTip?: BN;
   };
   txRequest?: TransactionRequest;
+  skipCustomFee?: boolean;
 };
 
 function TxContentInfo({
@@ -109,6 +110,7 @@ function TxContentInfo({
   errors,
   fees,
   txRequest,
+  skipCustomFee,
 }: TxContentInfoProps) {
   const { getValues } = useFormContext<SendFormValues>();
 
@@ -116,6 +118,7 @@ function TxContentInfo({
   const hasErrors = Boolean(Object.keys(errors || {}).length);
   const isExecuted = !!tx?.id;
   const txRequestGasLimit = getGasLimitFromTxRequest(txRequest);
+  const shouldShowFees = !skipCustomFee && showDetails;
 
   const initialAdvanced = useMemo(() => {
     if (!fees?.regularTip || !fees?.fastTip) return false;
@@ -155,9 +158,9 @@ function TxContentInfo({
         status={status}
         isLoading={isLoading}
       />
-      {isLoading && !showDetails && <TxFee.Loader />}
-      {showDetails && !fees && <TxFee fee={tx?.fee} />}
-      {showDetails &&
+      {isLoading && !shouldShowFees && <TxFee.Loader />}
+      {shouldShowFees && !fees && <TxFee fee={tx?.fee} />}
+      {shouldShowFees &&
         fees?.baseFee &&
         txRequestGasLimit &&
         fees?.regularTip &&
diff --git a/packages/app/src/systems/Transaction/pages/TxApprove/TxApprove.tsx b/packages/app/src/systems/Transaction/pages/TxApprove/TxApprove.tsx
index 5c1b9104fc..d8d10e95ec 100644
--- a/packages/app/src/systems/Transaction/pages/TxApprove/TxApprove.tsx
+++ b/packages/app/src/systems/Transaction/pages/TxApprove/TxApprove.tsx
@@ -37,6 +37,7 @@ export const TxApprove = () => {
             isLoading={isLoading}
             errors={ctx.errors.simulateTxErrors}
             isConfirm
+            skipCustomFee={ctx.input.skipCustomFee}
           />
         )}
         {ctx.shouldShowTxExecuted && (
@@ -44,6 +45,7 @@ export const TxApprove = () => {
             showDetails
             tx={ctx.txSummaryExecuted}
             txStatus={ctx.executedStatus()}
+            skipCustomFee={ctx.input.skipCustomFee}
             footer={
               ctx.status('failed') && (
                 <Button