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  3. MAXPEEDINGRODS INT9HS

MAXPEEDINGRODS INT9HS Cast Iron Exhaust Manifold Ls 2.5

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

Int9hs Maxpeedingrods 2.5 Inch Cast Iron Exhaust Manifold Turbo For Gmc Sierra Ls Silverado 1500 1999-2013

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: INT9HS ), ( Brand Type: Aftermarket Branded ), ( 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

The Maxpeedingrods INT9HS 2.5 cast iron exhaust manifold is a high-performance aftermarket exhaust component designed specifically for the GMC Sierra and Chevrolet Silverado 1500 pickup trucks from model years 1999 to 2013. This exhaust manifold is an excellent upgrade for those seeking increased power and efficiency from their gasoline-powered V8 engine.

Crafted from durable cast iron material, this exhaust manifold provides superior heat dissipation and durability compared to the factory manifold. The cast iron construction enhances the strength and rigidity of the exhaust system, reducing the likelihood of warping or cracking under extreme temperatures and pressure.

The INT9HS 2.5 cast iron exhaust manifold features a 2.5-inch primary piping diameter, which provides a significant flow increase compared to the stock manifold's 1.5-inch primary piping diameter. This larger diameter allows for smoother and more efficient exhaust flow, resulting in improved engine performance.

This exhaust manifold also comes with integrated exhaust gas recirculation (EGR) deletion ports, which can be utilized to remove the EGR system entirely. Removing the EGR system can lead to better engine response, increased power, and improved fuel economy. However, it's essential to note that disabling the EGR system may not be legal in all jurisdictions and could potentially harm the environment.

The INT9HS 2.5 cast iron exhaust manifold is designed to be a direct bolt-on replacement for the factory exhaust manifold. It utilizes the same stud and gasket locations as the stock manifold, making the installation process straightforward. The manifold comes with new studs and a new gasket to ensure a proper seal and a leak-free installation.

In summary, the Maxpeedingrods INT9HS 2.5 cast iron exhaust manifold is a superior upgrade for the GMC Sierra and Chevrolet Silverado 1500 pickup trucks from 1999 to 2013. It offers increased power, improved efficiency, and enhanced durability, making it an excellent choice for those seeking performance improvements from their V8 engine. The bolt-on design ensures a straightforward installation process, making it a popular choice among truck enthusiasts.

Maximum Motorsports INT9HS 2.5-inch Cast Iron Exhaust Manifold for GMC Sierra/Silverado 1999-2013: A Detailed Analysis

Introduction:

The Maximum Motorsports INT9HS 2.5-inch Cast Iron Exhaust Manifold is a popular aftermarket upgrade for the GMC Sierra and Silverado 1500 models from 1999 to 2013. This manifold replacement offers several benefits, but it's essential to weigh the advantages against the disadvantages before making a purchase.

Pros:

1. Improved Performance: The cast iron design of the Maximum Motorsports INT9HS manifold provides better heat retention and durability compared to the OEM aluminum manifold. This results in improved engine performance, including increased horsepower and torque.

2. Enhanced Turbocharger Efficiency: The cast iron construction helps the turbocharger spool up faster due to better heat management. Consequently, the engine responds more quickly, delivering smoother power delivery.

3. Superior Thermal Efficiency: The cast iron manifold retains heat better, which can improve the engine's overall efficiency by reducing the amount of energy wasted in cooling down the exhaust gases.

4. Durability: Cast iron is a robust material that can withstand the extreme heat and pressure inside the engine, ensuring a longer lifespan than the OEM aluminum manifold.

Cons:

1. Weight: The cast iron manifold is heavier than the OEM aluminum manifold, which can negatively impact fuel economy due to the additional weight.

2. Installation Complexity: Installing the Maximum Motorsports INT9HS manifold requires additional time and effort compared to a bolt-on part. Customers may need to have their engine machined to ensure a proper fit, which can add to the overall cost.

3. Cost: The aftermarket manifold is more expensive than the OEM part, with additional labor costs for installation.

Conclusion:

The Maximum Motorsports INT9HS 2.5-inch Cast Iron Exhaust Manifold offers several advantages, including improved performance, enhanced turbocharger efficiency, superior thermal efficiency, and durability. However, it comes with some drawbacks, such as increased weight, installation complexity, and cost.

For those seeking better power and durability, the Maximum Motorsports INT9HS manifold may be a worthwhile investment. However, it is essential to consider the added cost, time, and complexity of the installation process before making the purchase.

Recommendation:

If you're looking for better performance, durability, and improved turbocharger efficiency for your GMC Sierra or Silverado 1500 from 1999 to 2013, the Maximum Motorsports INT9HS 2.5-inch Cast Iron Exhaust Manifold is an excellent choice. Weigh the pros and cons carefully, taking into account your budget, installation capabilities, and desired performance gains. If you're confident in the benefits and can handle the additional cost and complexity, this aftermarket manifold upgrade is a worthy consideration.

Details:

Placement on Vehicle Left. Fit Engine: 4.8/5.3/5.7/6.0/6.2 V8. MaXpeedingrods has a longstanding commitment to the research of ECU, engine, gearbox and vehicle performance electronic calibration

Including: As Shown in the Picture Above. T4 flange, For Silverado 1500 1999 -2013, HD 2001 -2006, GMC Sierra Avalanche 2002 -2006. Material: cast iron.

We established cooperation's with EM tron, Mote, LINK, Cartel, Him, etc. Please be very careful to check our photos, please confirm the manifold is correct for you before order.Thanks. 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.

specifications reppchargers:

  • for models: 1500, Turbo, Sierra, Silverado
  • for makes: Gmc
  • for years: 1999-2013
  • brand: Maxpeedingrods
  • mpn: Int9hs
  • brand type: Aftermarket Branded
  • 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

shipping reppchargers:

  • cost: $0.00
  • service: Standard
  • type: Fixed
  • class: Standard
  • transit: 4-9 Days

general reppchargers:

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

returns reppchargers:

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

payments reppchargers:

  • credit card: Visa
  • wallet: Google-pay
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seller reppchargers:

  • # reviews: 23524
  • rating: 98.6%
  • city: Dayton, New Jersey

offer reppchargers:

  • started: March 9, 2025
  • quantity: 1
  • options: Ship-to-home
  • sold: 0
  • best offers: True
  • availability: In Stock
for models: 1500, turbo, sierra, silverado, for makes: gmc, for years: 1999-2013, brand type: aftermarket branded, 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: 1862952721493682,

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