1. Car/Truck Fenders Parts
  2. sku: 8711950344695631
  3. DYNACORN 3649MB

DYNACORN 3649MB Rear Trunk Brace 040300045943

fits model: Mustang. year: 1971–1973.

Dynacorn 040300045943 Rear Trunk Brace Mustang 1971-1973

( Brand: Dynacorn ), ( Type: Trunk Floors ), ( Manufacturer Part Number: 3649MB ), ( Item Length: 54.5 ), ( Item Width: 4.5 ), ( Item Weight: 8.000000 ), ( UPC: 040300045943 )

Review DYNACORN Rear Trunk Brace fits MUSTANG 1971–1973

Introducing the Dynacorn 040300045943 Rear Trunk Brace for Mustang models from 1971 to 1973. This high-quality product is specifically designed to provide additional support and rigidity to the rear trunk area of your classic Mustang.

The Dynacorn Rear Trunk Brace is meticulously crafted using heavy-duty steel. Its robust design ensures that it can effectively reinforce the trunk area, enhancing the overall structural integrity of your Mustang. This not only improves the vehicle's handling and ride quality but also adds a touch of sophistication to its appearance.

The brace features a sleek and discreet design that blends seamlessly with the interior of your Mustang. Its black powder-coated finish not only adds an element of style but also provides excellent protection against rust and corrosion.

Installation of the Dynacorn Rear Trunk Brace is a straightforward process. It comes with all necessary hardware and clear installation instructions to make the process as hassle-free as possible. Once installed, the brace can be easily adjusted to fit perfectly into your Mustang's trunk area.

This Dynacorn product is a must-have for any Mustang enthusiast looking to enhance the performance and aesthetic appeal of their classic vehicle. Its durable construction ensures that it will stand the test of time, providing you with years of reliable service.

In summary, the Dynacorn 040300045943 Rear Trunk Brace is an essential upgrade for Mustang owners from 1971 to 1973. Its robust design, sleek finish, and easy installation make it an excellent investment for any classic Mustang enthusiast.

Dynacorn Rear Trunk Brace for Mustang 1971-1973: A Detailed Analysis

The Dynacorn 040300045943 rear trunk brace is a popular aftermarket accessory for Mustang owners from the 1971 to 1973 generation. This brace is designed to strengthen the rear trunk area, improve chassis rigidity, and enhance the overall performance and appearance of the vehicle. In this analysis, we will discuss the pros and cons of purchasing this trunk brace to help you make an informed decision.

Pros:

1. Enhanced Stability: The Dynacorn trunk brace provides additional support to the rear suspension and chassis, improving handling and stability, especially during high-speed cornering or aggressive driving.

2. Improved Safety: By reinforcing the trunk area, the trunk brace can help distribute crash forces more evenly, potentially reducing the risk of structural damage and enhancing passenger safety.

3. Better Appearance: The trunk brace adds a desirable and distinctive look to the Mustang, giving it a more aggressive and performance-oriented appearance.

4. Easy Installation: The trunk brace can be installed in a few hours using basic hand tools, making it a relatively simple and straightforward upgrade for most DIY enthusiasts.

Cons:

1. Cost: The Dynacorn trunk brace is a premium aftermarket product, and its price may be a deterrent for some buyers, especially those on a tight budget.

2. Weight: The trunk brace adds additional weight to the rear of the vehicle, which could potentially negatively impact fuel economy, although the difference is likely to be minimal.

3. Potential Clearance Issues: Depending on the specific modifications or upgrades installed on the Mustang, the trunk brace may interfere with ground clearance or other components, requiring additional fabrication or modifications.

Conclusion:

The Dynacorn rear trunk brace is an excellent investment for Mustang owners seeking improved performance, enhanced safety, and an aggressive appearance for their vehicle. While it comes with a higher price tag and potential installation challenges, the benefits it offers are significant and well worth the investment for many enthusiasts.

Recommendation:

If you're a Mustang owner from the 1971-1973 generation looking to enhance your vehicle's performance and appearance, the Dynacorn rear trunk brace is a worthy consideration. Be sure to factor in the cost and potential installation challenges before making your purchase, and consult with a professional if you have any concerns about compatibility with existing modifications or upgrades on your Mustang.

specifications fenderfolly:

  • for models: Mustang
  • for years: 1971-1973
  • brand: Dynacorn
  • type: Trunk Floors
  • manufacturer part number: 3649MB
  • item length: 54.5
  • item width: 4.5
  • item weight: 8.000000
  • upc: 040300045943

general fenderfolly:

  • Exterior Parts Accessories > Panels > Body Side Quarter Panels
  • condition: New

seller fenderfolly:

  • rating: 99.4%
  • # reviews: 87085

offer fenderfolly:

  • sold: 0
  • availability: In Stock
  • started: October 14, 2025
  • options: Ship-to-home
  • quantity: 2

payments fenderfolly:

  • credit card: Visa
  • other
  • wallet: Apple-pay

shipping fenderfolly:

  • service: Standard
  • transit: 2-6 Days
  • type: Fixed
  • class: Standard
  • cost: $0.00

returns fenderfolly:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller
for models: mustang, for years: 1971-1973, type: trunk floors, item length: 54.5, item width: 4.5, item weight: 8.000000,
category: auto parts > exterior parts accessories > panels > body side quarter panels, sku: 8711950344695631,

Dynacorn 3649MB Is Similar To:

fenderfolly logo
4 offers $160.49–$199.99 USD
  • Offer #1: $180.99 price + free delivery = $180.99* total. Restoring your Mustang can be a massive project. Dynacorn's Rear Trunk Brace welds into place at the rear of the trunk area, in front of the fuel tank to connect and brace the trunk floor.FREE SHIPPING
  • Offer #2: $199.99 price + free delivery = $199.99* total. Rear Cross Rail EDP Coated Steel.FREE SHIPPING
  • Offer #3: $160.49 price + $164.50 delivery = $324.99* total. Designed with ultimate quality and durability in mind Trunk Cross Rail by Dynacorn.+$164.50 shipping
  • Offer #4: $257.40 price + $Calculated delivery = $257.40* total. Our strict quality control, top-of-the-line tooling, and superb craftsmanship ensure that every Dynacorn-branded part fits and finishes just like the original.+$Calculated shipping