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  3. MAXPEEDINGRODS 2EX78O

MAXPEEDINGRODS 2EX78O Cast Iron Exhaust Manifold Ls 2.5

fits model: 1500, Turbo, Sierra, Silverado. make: Gmc. year: 1999–2013.

2ex78o Maxpeedingrods 2.5 Inch Cast Iron Exhaust Manifold Turbo For Gmc Sierra Ls Silverado 1500 1999-2013

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: 2EX78O ), ( Brand Type: Aftermarket Branded ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Features: Individual ), ( Finish: Brand New ), ( Fitment Type: Direct Replacement ), ( Manifold Type: Turbo ), ( Material: Cast Iron ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part., California Prop 65 Warning., This Is Aftermarket Replcement Part ), ( Oe/oem Part Number: T4 Flange 2.5 Vband ), ( Placement On Vehicle: Front Left ), ( Type: Exhaust Manifold )

Review MAXPEEDINGRODS 2.5 Inch Cast Iron Exhaust Manifold For Gmc Ls fits SIERRA SILVERADO 1500 TURBO 1999–2013

Introducing the Maxximus 2EX78O 2.5 Cast Iron Exhaust Manifold from Maxpeedingrods, specifically designed for the GMC Sierra LS and Silverado 1500 models produced between 1999 and 2013. This exhaust manifold is an excellent upgrade for those seeking improved engine performance and durability.

The manifold is engineered using high-quality cast iron material, known for its strength and resistance to heat. Its compact 2.5-inch design ensures a perfect fit in the engine bay while reducing exhaust gas flow restrictions. The manifold's cast iron construction also provides superior heat dissipation, ensuring optimal operating temperatures for the engine and turbocharger.

The Maxximus 2EX78O manifold features a smooth, polished finish that not only enhances its aesthetic appeal but also minimizes the risk of exhaust leaks. Each manifold comes with new gaskets and hardware, making the installation process straightforward and hassle-free.

This exhaust manifold upgrade is designed to work seamlessly with the factory exhaust system, ensuring a perfect fit and minimal modification requirements. By upgrading to this high-performance manifold, you can expect increased horsepower, improved torque, and enhanced engine responsiveness.

Investing in the Maxximus 2EX78O 2.5 Cast Iron Exhaust Manifold from Maxpeedingrods is an investment in the longevity and performance of your GMC Sierra LS or Silverado 1500. Its durable cast iron construction, compact design, and easy installation process make it a must-have upgrade for any enthusiast looking to maximize their vehicle's potential.

Maximum Power Racing's 2.5 cast iron exhaust manifold for the GMC Sierra LS/Silverado 1500 (model years 1999-2013) with 2.5L Duramax engine comes with several advantages and disadvantages. Let's examine each aspect:

Advantages:

1. Enhanced Performance: The cast iron manifold is designed to improve the exhaust flow, which results in increased power and torque.

2. Durability: Cast iron is a robust material, making the manifold more resilient to high temperatures and pressure compared to its aluminum counterparts.

3. Better Heat Management: The cast iron manifold retains heat better, which can lead to improved engine performance.

4. Tighter Engine Bay: The cast iron manifold is generally smaller than its aluminum counterparts due to its simpler design, resulting in a tighter engine bay.

5. Cost-effective: The cast iron manifold is typically less expensive than other high-performance exhaust manifold options, making it an attractive choice for budget-conscious consumers.

Disadvantages:

1. Weight: Cast iron is a heavier material than aluminum, which increases the overall weight of the vehicle.

2. Thermal Expansion: Cast iron expands when heated, which can lead to potential fitment issues and the need for precise installation.

3. Rougher Edge Finish: Cast iron manifolds may have a rougher edge finish, which could require additional preparation before installation.

4. Potential for Thermal Cracking: Cast iron is prone to thermal cracking, especially when rapidly heated and cooled, which could lead to potential failures.

Conclusion:

The Maximum Power Racing 2.5 cast iron exhaust manifold offers several advantages, including improved performance, durability, better heat management, a tighter engine bay, and cost-effectiveness. However, it also comes with some disadvantages, such as increased weight, potential fitment issues due to thermal expansion, rougher edge finishes, and the risk of thermal cracking. Ultimately, the decision to purchase this manifold depends on your individual priorities and budget. If you prioritize power gains, durability, and cost savings, then this manifold might be the right choice for you. However, if you are concerned about weight, fitment, and potential failures due to thermal cracking, you might want to consider other options.

Recommendation:

If you are looking for a high-performance exhaust manifold for your GMC Sierra LS/Silverado 1500 (model years 1999-2013) with a 2.5L Duramax engine and are prioritizing power gains, durability, and cost savings, then the Maximum Power Racing 2.5 cast iron exhaust manifold could be an excellent choice for you. However, make sure to properly prepare the manifold for installation and consider the potential fitment issues due to thermal expansion. Additionally, consider purchasing a heat shield to help manage the heat and protect other components in your engine bay.

Details:

MaXpeedingrods has a longstanding commitment to the research of ECU, engine, gearbox and vehicle performance electronic calibration. Specifications: We established cooperation's with EM tron, Mote, LINK, Cartel, Him, etc. Material: cast iron.

Placement on Vehicle Left. MaXpeedingrods always follow the development concept that Success derives from devotion and happiness comes sharing to make contributes domestic overseas car tuning enthusiasts global racing culture by excellent products service. Please be very careful to check our photos, please confirm the manifold is correct for you before order.Thanks. Including: As Shown in the Picture Above.

Fit Engine: 4.8/5.3/5.7/6.0/6.2 V8. T4 flange, For Silverado 1500 1999 -2013, HD 2001 -2006, GMC Sierra Avalanche 2002 -2006.

part #: 2ex78o price

  • $64.80

specifications reppchargers:

  • for models: 1500, Turbo, Sierra, Silverado
  • for makes: Gmc
  • for years: 1999-2013
  • brand: Maxpeedingrods
  • mpn: 2ex78o
  • brand type: Aftermarket Branded
  • california prop 65 warning: California Prop 65 Warning
  • features: Individual
  • finish: Brand New
  • fitment type: Direct Replacement
  • manifold type: Turbo
  • material: Cast Iron
  • note: No Instruction Included
  • notice: This Is Aftermarket Replcement Part., California Prop 65 Warning., This Is Aftermarket Replcement Part
  • oe/oem part number: T4 Flange 2.5 Vband
  • placement on vehicle: Front Left
  • type: Exhaust Manifold

returns reppchargers:

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

shipping reppchargers:

  • type: Fixed
  • carrier: UPS
  • cost: $0.00
  • service: UPS Ground
  • transit: 4-7 Days
  • class: Standard

seller reppchargers:

  • # reviews: 27196
  • rating: 99.2%
  • city: Dayton, NJ

offer reppchargers:

  • options: Ship-to-home
  • availability: In Stock
  • best offers: True
  • sold: 0
  • started: November 15, 2025

general reppchargers:

  • Air Fuel Delivery > Turbos, Superchargers Intercoolers > Superchargers Parts
  • condition: New

payments reppchargers:

  • other
  • wallet: Paypal
  • credit card: Diners-club
for models: 1500, turbo, sierra, silverado, for makes: gmc, for years: 1999-2013, brand type: aftermarket branded, california prop 65 warning: california prop 65 warning, features: individual, finish: brand new, fitment type: direct replacement, manifold type: turbo, note: no instruction included, notice: this is aftermarket replcement part., california prop 65 warning., this is aftermarket replcement part, oe/oem part number: t4 flange 2.5 vband, placement on vehicle: front left, type: exhaust manifold,
category: auto parts > air fuel delivery > turbos, superchargers intercoolers > superchargers parts, material: cast iron, sku: 3506758634049682,

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