1. Manifolds & Headers Offered
  2. sku: 10849301231307751
  3. BFO 4XSMD9

BFO 4XSMD9 Exhaust Manifold Lh Rh Cast Iron

fits model: F150, E150. make: Ford. year: 1999–2008.

4xsmd9 Bfo Exhaust Manifold Lh And Rh For Ford F150 E150 1999-2008 Cast Iron Direct Fit

( Brand: Bfo ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Color: Natural ), ( Engine: 4.2l V6 4.6l V8 5.4l V8 ), ( Features: Heat-resistant ), ( Fit: For Ford F150 1999-2008, For Ford F150 Heritage 2004, For Ford E150 E150 Club Wagon E250 2003 ), ( Fitment Type: Direct Replacement ), ( Fuel Type: Unleaded Gasoline ), ( Items Included: Gasket, Mounting Hardware ), ( Manufacturer Part Number: 4XSMD9 ), ( Manufacturer Warranty: 1 Year ), ( Material: Cast Iron ), ( Mounting Style: Bolt-on ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: 674-555, 674-554, 674555, 674554, Xl3z9430aa, Xl3z9431aa, 5l3z9431a, 5l3z9430aa ), ( Performance Part: Yes ), ( Placement On Vehicle: Front, Left, Right ), ( Substrate Material: Iron ), ( Type: Exhaust Manifold ), ( Universal Fitment: No )

Review BFO Exhaust Manifold Lh And Rh Ford Cast Iron Direct Fit fits F150 E150 1999–2008

The BFO 4XSMD9 exhaust manifold is a high-performance aftermarket part designed specifically for Ford F-150 and F-150 Super Duty trucks manufactured between 1999 and 2008. This exhaust manifold is available in a cast iron material, ensuring durability and strength for long-lasting use.

For the left-hand (LH) and right-hand (RH) sides of your Ford F-150, this exhaust manifold is a perfect fit. It is engineered to replace the original exhaust manifold, enhancing the performance and efficiency of your vehicle's exhaust system.

The BFO 4XSMD9 exhaust manifold is a 4-bolt design, which provides a secure and reliable installation process. Its smooth, polished finish not only looks great but also contributes to the efficient flow of exhaust gases.

This exhaust manifold is specifically designed for Ford F-150 trucks equipped with the 5.4L Triton V8 engine. By upgrading to this aftermarket exhaust manifold, you can expect improved engine performance, increased power, and a more responsive driving experience.

Made from high-quality cast iron, this exhaust manifold offers superior strength and durability compared to the factory manifold. Its robust design ensures it can withstand the rigors of off-road use, heavy towing, and daily driving.

Installing the BFO 4XSMD9 exhaust manifold is a straightforward process, making it an excellent choice for DIY enthusiasts. It comes complete with all necessary hardware for installation, ensuring a hassle-free experience.

In summary, the BFO 4XSMD9 exhaust manifold is a top-tier aftermarket component designed for Ford F-150 and F-150 Super Duty trucks from 1999 to 2008. Its cast iron construction, 4-bolt design, and smooth finish make it a reliable and efficient upgrade for your vehicle's exhaust system. With improved engine performance, increased power, and a more responsive driving experience, the BFO 4XSMD9 exhaust manifold is an excellent investment for any Ford F-150 owner.

Buying a BFO 4xsMD9 exhaust manifold LH (left hand) Rh (right hand) for a Ford F150 or F-150 model year 1999-2008 with a cast iron construction presents several pros and cons that you may want to consider before making a purchase.

Pros:

1. Improved Performance: A new exhaust manifold can lead to improved engine performance by allowing better exhaust gases flow and reducing back pressure.

2. Durability: A cast iron exhaust manifold is more durable than its aluminum counterparts. It can withstand higher temperatures and last longer.

3. Better Fuel Economy: Reduced back pressure from a new exhaust manifold can lead to better fuel economy as the engine does not have to work as hard to expel exhaust gases.

4. Enhanced Sound: A new exhaust manifold can also result in a better exhaust note or sound, depending on personal preference.

Cons:

1. Cost: A new exhaust manifold can be a significant investment, especially for older models like the Ford F150 1999-2008.

2. Installation Complexity: Installing an exhaust manifold can be a complex process, especially for those without prior experience. It may require specialized tools and knowledge.

3. Potential for Damage: During installation, there is a risk of damaging other components, such as the cylinder head or catalytic converter.

4. Emissions Compliance: Depending on your location, a new exhaust manifold may not be emissions compliant, which could result in fines or other legal consequences.

Conclusion:

A BFO 4xsMD9 exhaust manifold LH Rh for a Ford F150 or F-150 model year 1999-2008 with a cast iron construction can provide several benefits, including improved performance, durability, better fuel economy, and enhanced sound. However, it also comes with some drawbacks, such as cost, installation complexity, potential for damage, and emissions compliance. Ultimately, the decision to buy a new exhaust manifold depends on your personal priorities, budget, and technical expertise. If you are comfortable with the installation process and are willing to invest in the upgrade, it could be a worthwhile investment for your Ford F150 or F-150. If not, you may want to consider alternative solutions or live with the current exhaust system.

specifications maniheader:

  • for models: F150, E150
  • for makes: Ford
  • for years: 1999-2008
  • brand: Bfo
  • california prop 65 warning: California Prop 65 Warning
  • color: Natural
  • engine: 4.2l V6 4.6l V8 5.4l V8
  • features: Heat-resistant
  • fit: For Ford F150 1999-2008, For Ford F150 Heritage 2004, For Ford E150 E150 Club Wagon E250 2003
  • fitment type: Direct Replacement
  • fuel type: Unleaded Gasoline
  • items included: Gasket, Mounting Hardware
  • manufacturer part number: 4XSMD9
  • manufacturer warranty: 1 Year
  • material: Cast Iron
  • mounting style: Bolt-on
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part.
  • oe/oem part number: 674-555, 674-554, 674555, 674554, Xl3z9430aa, Xl3z9431aa, 5l3z9431a, 5l3z9430aa
  • performance part: Yes
  • placement on vehicle: Front, Left, Right
  • substrate material: Iron
  • type: Exhaust Manifold
  • universal fitment: No

shipping maniheader:

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

returns maniheader:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

seller maniheader:

  • # reviews: 14172
  • rating: 99.1%

payments maniheader:

  • other
  • credit card: Diners-club
  • wallet: Paypal

offer maniheader:

  • availability: In Stock
  • options: Ship-to-home
  • started: February 24, 2026
  • quantity: 8
  • sold: 0

general maniheader:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
  • condition: New
for models: f150, e150, for makes: ford, for years: 1999-2008, california prop 65 warning: california prop 65 warning, engine: 4.2l v6 4.6l v8 5.4l v8, features: heat-resistant, fit: for ford f150 1999-2008, for ford f150 heritage 2004, for ford e150 e150 club wagon e250 2003, fitment type: direct replacement, fuel type: unleaded gasoline, items included: gasket, mounting hardware, manufacturer warranty: 1 year, mounting style: bolt-on, note: no instruction included, notice: this is aftermarket replcement part., oe/oem part number: 674-555, 674-554, 674555, 674554, xl3z9430aa, xl3z9431aa, 5l3z9431a, 5l3z9430aa, performance part: yes, placement on vehicle: front, left, right, substrate material: iron, type: exhaust manifold, universal fitment: no,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, color: natural, material: cast iron, sku: 10849301231307751,

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