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Fits 20-26 GM 2500HD/3500HD 6.6L Gas Eng FFX Direct Fit Muffler Exhaust System,

Fits 20-26 GM 2500HD/3500HD 6.6L Gas Eng FFX Direct Fit Muffler Exhaust System,

718155

$425.95 USD
$425.95 USD
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Overview:

Flowmaster's® Flow FX Direct-Fit Muffler exhaust system for the 2020-2026 GM 2500HD and 3500HD trucks with the 6.6L gas engines gives you a great value packed way to help you customize your GM truck to your personality. This performance muffler system fits both 2/4 Wheel drive models and is manufactured from 409 stainless steel for years of trouble-free service and performance. Features include a 3.50-inch inlet pipe leading into a 409 stainless steel Flow FX series "straight-through" muffler for great sound and maximum performance and no drone. The muffler then connects to the factory tailpipe for a simple and effective performance upgrade. Max dyno gains of 7 hp and 5 lb-ft at the rear wheels. This results in better acceleration and towing performance. The system uses all the factory hanger locations and connections for an easy installation that you can do at home. Kits include installation instructions and all necessary hardware. Backed by Flowmaster's Lifetime Limited Warranty.

Features:

  • 3.5-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
  • Kit includes complete hardware and factory styled hangers in the stock locations for an easy installation
  • A tuned Flow FX style muffler delivers a deep, aggressive to moderate performance tone and improves exhaust flow
  • Max increases of up to 12 hp and 11 lb-ft over the stock exhaust at the wheels
  • Tuned performance muffler eliminates interior drone
  • Maintains factory warranty
  • Lifetime Limited Warranty

    • Specs:

  • Body Diameter: 5
  • Body Height: 5
  • Body Length: 18
  • Body Material: 409 Stainless Steel
  • Body Width: 8
  • Brand: Flowmaster
  • Catalytic Converter Included: No
  • Clamping Type: Flat Band
  • Clamps Included: Yes
  • Color: Natural
  • Emission Code: 5
  • Exhaust Series: Flow FX
  • Exhaust Tip Quantity: 0
  • Exit Position: OEM
  • Exit Position: OEM
  • Finish: Natural
  • Gasket Or Seal Included: No
  • Grade Type: Performance
  • Heat Shield: No
  • Heat Shield Attached: No
  • Inlet Diameter: 3.5
  • Inlet Inside Diameter: 3.52
  • Inlet Location: Center
  • Inlet Outside Diameter: 3.11
  • Inlet Quantity: 1
  • Inlet Type: Slip-Fit
  • Main Piping Diameter: Center
  • Material: 409 Stainless Steel
  • Mount Type: Uses Factory Hangers
  • Muffler Body Length: 10
  • Muffler Body Material: 409 Stainless Steel
  • Muffler Body Shape: Round
  • Muffler Body Width: 8
  • Muffler Color: Natural
  • Muffler Finish: Natural
  • Muffler Inlet Location: Center
  • Muffler Material: 409 Stainless Steel
  • Muffler Outlet Location: Center
  • Muffler Part Number: Kit Only
  • Muffler Quantity: 1
  • Muffler Series: Flow FX
  • Muffler Shape: Oval
  • Muffler Type: Absorption
  • Outlet Diameter: 3.5
  • Outlet Inside Diameter: 3.52
  • Outlet Location: Center
  • Outlet Outside Diameter: 3.65
  • Outlet Quantity: 1
  • Outlet Type: Slip-Fit
  • Overall Length: 34.25
  • Pipe Material: 409 Stainless Steel
  • Shape: Oval
  • Single Dual: Single
  • Sound Level: Aggressive / Moderate
  • System Type: Direct-fit Muffler
  • Tubing Diameter: 3.5
  • Type: Direct-fit Muffler
  • Valve Actuator Included: No
  • Valve Included: No
  • Valve Type: Not Applicable
  • Part Number: 718155

    • Applications:

    • 2020-2026 Chevrolet Silverado 2500 HD 401 CID
    • 2020-2026 Chevrolet Silverado 3500 HD 401 CID
    • 2020-2026 GMC Sierra 2500 HD 401 CID
    • 2020-2026 GMC Sierra 3500 HD 401 CID

    Emissions:

    • This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
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    Policies and FAQs

    Return Policy

    We accept returns on products within 30 days of delivery. Return shipping is the responsibility of the buyer unless we, the seller, are at fault.

    Fault reasons include but are not limited to:
    • Buyer was shipped the wrong product
    • Buyer was shipped a damaged product
    • The product page had incorrect fitment and the part does not fit the Buyer's vehicle

    The Buyer will not be refunded outbound shipping unless the Seller (Car Part People) is at fault.
     

    In cases where the Buyer purchases and ships the return please note that if the Shipper (ex. USPS, FedEx, UPS, etc.) loses the return we will not be able to offer a refund as the Buyer must contact the Shipper and make a claim.
     

    All products must be returned in original condition, meaning that the product must not be damaged, installed, or missing pieces/parts. If the product is not in original condition a deduction will be issued of up to 50% of the purchase price of the product.
     
    Opened boxes, plastic bags, and other packaging are not considered damage (excluding single use items such as, but not limited to, liquids, software, and other components that cannot be reused/resealed).
     

    When we, the seller, are at fault, please Contact Us for a return label, products returned with a shipping label not provided by the seller will not be refunded to the buyer. Please also note that our return labels are issued with the dimensions and weight of the original shipment, if the product is being returned in any box/package besides the original please contact us with the dimensions and weight.
     

    Returns must be sent to this address:
    Car Part People
    218 S Lyman St.
    Wadsworth, OH 44281
     

    Products returned directly to a manufacturer or the incorrect address may be issued a deduction or denied a refund entirely.
     

    If a product was delivered outside the 30 day return window or is no longer in original condition please contact us as we may be able to issue a refund in store credit and/or with a deduction. If this is the case please Contact Us as these situations are handled on a case by case basis.
     

    If there are any questions, concerns, or doubts about return eligibility please Contact Us and we would be more than happy to assist you.
     
    This policy and page were last updated: July 14th 2023

    FAQs

    |Q. What is an Intermediate Brake Line?

    |A. This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to  a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines. 

    |Q. What is included in a pre bent brake line kit?

    |A. Our kits include all of the solid metal lines for that section of the vehicle

    |Q. I need to return something -  what's your return policy?

    |A. We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.

    • Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.

    • If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly. 

    |Q. I live in the area. Can I come and pick up parts?

    |A. Yes but you will need to order in advance. All of our items are not stocked at our location. So please place your order online and we will notify you when it is ready for pick up.

    |Q. Do you sell just one line from a kit? 

    |A. Unfortunately we cannot offer single lines outside of kits

    |Q. Do your parts have a guarantee?

    |A. Yes all are covered by the manufactures standard warranty's. Most warranties cover the cost of parts. Any installation or other fees are non-refundable.

    |Q. Can I pay with a check, money order, or cash?

    |A. Online we accept PayPal and all major Credit Cards. If your are picking an item up we gladly accept cash. 

    |Q. Can I have this item shipped to someone other than myself?

    |A. We can only ship to your confirmed address in PayPal or your billing address if you pay with a credit card. 

    |Q. How long will it take for my order to arrive?

    |A. Orders typically Arrive within 3 to 10 days depending if it is a stocked item or something  we have manufactured at time of sale. 

    |Q. I need a part for my car that you don't have listed. Can I special order one

    |A. Yes please send us a message through our custom orders page. 

    |Q. Will you ship the part to anywhere in the world?

    |A. Yes, but items sent out of the continental U.S. may incur additional charges based on their destination. 

    |Q. How do I determine left or right of my vehicle?

    |A. The left and right sides on a vehicle are determined as though you were sitting in the driver's seat. The left is the driver's side, and the right is the passenger's side.

    |Q. I just got my tracking number and there's no info!

    |A. Check it again tomorrow. It takes up to 1 day for the carrier to give status and a delivery date. UPS and FedEx provide delivery dates, USPS usually does not but they take no longer than 5 business days.

    |Q. Do you ship to APO or FPO addresses?

    |A. Yes! Thank you for your military service!

    Still have a question or concern?  Please Contact Us!