Exhaust Muffler Replacement for DuroMax XP13000HXT (Tri-Fuel), XP13000HX / XP13000EH (Dual-Fuel), XP13000E (Gas) 13,000-Watt Portable Generators

High Quality Brand New Exhaust Muffler Replacement for DuroMax XP13000HXT (Tri-Fuel), XP13000HX / XP13000EH (Dual-Fuel), XP13000E (Gas) 13,000-Watt Portable Generators

• It is an aftermarket muffler to replace your original muffler. It works the same as the original muffler thus it will NOT lower extra noise.
• Designed to fit the latest DuroMax XP13000HXT (Tri-Fuel), XP13000HX / XP13000EH (Dual-Fuel), and XP13000E (Gas) 13000-Watt Portable Generators. Please refer to the measurements marked on the photo and compare them with your unit to confirm compatibility.
• Heavy-Duty Construction – Built from durable, heat-resistant steel with protective coating to withstand high exhaust temperatures and long runtime use.

Product Information:
Exhaust size： 2-9/32”/57.90mm
Mounting hole to hole： 4-23/32”/120mm
Overall Length: 9-27/32"/249mm

Please Note：It is an aftermarket muffler to replace your original muffler. It works the same as the original muffler thus it will NOT lower extra noise.

Duromax works with multiple suppliers, so some parts may vary. Please refer to the measurements marked on the photo and compare them with your unit to confirm compatibility.

Please check the dimension before placing the order.

Package includes: 1X Generator Muffler & Gasket

If you are not sure, please send us email to support@sigmapowers.com and we will get back to you asap.

Orders placed by 2:00 PM ET on a business day are typically shipped the same business day. Orders placed after 2:00 PM ET, or on weekends or holidays, are typically shipped the next business day.

We primarily use USPS, FedEx, and UPS. Most orders are shipped using standard carrier services, and estimated delivery times vary depending on the destination and shipping method selected.

Standard shipping rates generally apply to addresses within the contiguous 48 U.S. states. Additional shipping charges may apply to orders shipped to Alaska, Hawaii, Puerto Rico, Guam, and other U.S. territories.

Expedited shipping options, including Overnight and 2-Day shipping, may be available at checkout for an additional charge.

1. How to Start a Return
Please contact us by email within 30 days of receiving your order before returning any item. We will confirm your eligibility and send instructions. Returns sent without prior contact may be delayed or refused.

2. Defective, Damaged, or Incorrect Items
If your item arrives defective or damaged, or if we sent you the wrong item, please email us with your order number and photos showing the issue.
Once the claim is reviewed and approved, we will cover the return shipping cost, if a return is required, and either provide a replacement or issue a full refund.

3. Non-Defective Returns
If you ordered the wrong part, no longer need the item, or simply changed your mind, the item must be unused, uninstalled, and in resalable condition. Used or installed items are generally not eligible for return.

• You are responsible for the return shipping cost.
• A 15% restocking fee applies, which may be waived at our discretion.
• Original shipping and handling charges are non-refundable.

4. Refunds
Refunds are normally issued within 2 business days after the returned item is received and inspected.
Refunds will be issued to the original payment method. Depending on your bank or payment provider, it may take several additional business days for the refund to appear in your account.