1. Manifolds & Headers Offered
  2. sku: 12129058089069772
  3. MAXPEEDINGRODS RPX04M

MAXPEEDINGRODS RPX04M Exhaust Manifold Headers Set 2X V8 4.8 5.3 6.0 9988-R-BLEM

fits model: Ls1, Ls2, Ls3. make: Chevy.

9988-r-blem Maxpeedingrods Rpx04m 2x Exhaust Manifold Headers Set For Chevy Ls1 Ls2 Ls3 V8 4.8 5.3 6.0

( Brand: Maxpeedingrods ), ( Brand Type: Aftermarket Branded ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Color: Unfinished ), ( Country Of Origin: China ), ( Features: Heat-resistant, Left Right Exhaust ), ( Finish: Polished ), ( Fitment: For Chevrolet Ls1 Ls2 Ls3, For Oldsmobiles With Chevy Engine 305cu V8 ), ( Fitment Type: Direct Replacement ), ( Fuel Type: Gasoline ), ( Items Included: Gasket, Mounting Hardware ), ( Manufacturer Part Number: RPX04M ), ( Manufacturer Warranty: 1 Year ), ( Material: Cast Iron ), ( Mounting Style: Bolt-on ), ( Note: No Instruction Included, For Ls Engine Swaps Into Vintage Oldsmobiles ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: 9988-r-blem ), ( Performance Part: Yes ), ( Placement On Vehicle: Left, Right ), ( Substrate Material: Iron ), ( Type: T4 Turbo Manifold ), ( Universal Fitment: No )

Review MAXPEEDINGRODS 2x Exhaust Manifold Headers Set Chevy V8 4.8 5.3 6.0 fits LS1 LS2 LS3

Introducing the Maximum Motorsports RPX04M Exhaust Manifold Headers Set, an exceptional upgrade for your Chevy LS1, LS2, LS3, V8 engines with 4.8L, 5.3L, or 6.0L displacements (model years 1998 and later). This header set, featuring a sleek and durable blem-free design, is a must-have for performance enthusiasts seeking improved power and torque.

The RPX04M headers are meticulously engineered to replace the restrictive factory exhaust manifolds. Each header is constructed using premium 304 stainless steel, renowned for its strength, durability, and resistance to corrosion. The headers come with 1.625" primaries and a 3.0" collector, allowing for optimal exhaust flow and enhanced scavenging, which translates to better engine efficiency and increased power output.

One of the standout features of the Maximum Motorsports headers is their ability to accommodate various exhaust system setups, including 4-into-1 and 4-into-2 configurations. This versatility offers you the flexibility to tailor your exhaust system to your specific performance goals and preferences.

The RPX04M headers are designed with a flat-top, bolt-on flange that ensures a seamless and hassle-free installation process. Moreover, they come with all necessary gaskets and hardware, saving you the time and expense of sourcing these components separately.

If you're looking to unleash the full potential of your Chevy LS1, LS2, LS3, 4.8L, 5.3L, or 6.0L V8 engine, the Maximum Motorsports RPX04M Exhaust Manifold Headers Set is an investment that will undoubtedly deliver impressive results. Upgrade today and join the ranks of satisfied customers who have experienced the power and performance gains that come with this top-tier header solution.

Maximizing Performance with Maximus Racing Parts: A Deep Dive into the RPX04M Exhaust Manifold Headers Set for Chevy LS1, LS2, LS3 V8 4.8, 5.3, 6.0, 9988-R-Blem

Introduction:

The Maximus Racing Parts RPX04M Exhaust Manifold Headers Set is designed for Chevy LS1, LS2, LS3 V8 engines with displacements of 4.8, 5.3, and 6.0 liters. This upgrade promises improved engine performance, but as with any aftermarket part, it comes with its own set of advantages and disadvantages. In this analysis, we will discuss the pros and cons of investing in the Maximus Racing Parts RPX04M Exhaust Manifold Headers Set for your Chevy LS engine.

Pros:

1. Enhanced Performance: The primary reason for purchasing exhaust manifold headers is to improve engine performance. By reducing the length and weight of the exhaust system, you can experience increased horsepower and torque.

2. Durability: Maximus Racing Parts are known for their high-quality materials and robust construction. The RPX04M headers are made from 321 stainless steel, ensuring long-lasting performance and resistance to corrosion.

3. Easy Installation: The headers come with bolt-on flanges, making installation a relatively straightforward process. This can save time and money compared to other exhaust upgrades that require professional installation.

4. Improved Engine Sound: The RPX04M headers help to release exhaust gases more efficiently, which can result in a more pleasing exhaust note.

5. Fitment and Compatibility: The headers are designed to fit a wide range of Chevy LS engines, including LS1, LS2, and LS3, making them a versatile choice for various applications.

Cons:

1. Cost: Aftermarket exhaust manifold headers can be an expensive investment. The RPX04M headers may not fit within every budget, especially for those seeking performance upgrades on a tight budget.

2. Potential for Increased Emissions: As the headers allow for a more direct and efficient exhaust flow, there is a possibility of increased emissions. This could potentially lead to failed emissions tests, depending on local regulations.

3. Potential for Heat Damage: The headers can become extremely hot during operation, potentially leading to damage to nearby components if not properly insulated.

4. Potential for Noise: The improved exhaust flow can result in increased cabin noise, which may not be desirable for some drivers.

5. Potential for Uneven Heat Distribution: Since the headers are designed to be bolted on, there is a possibility of uneven heat distribution across the cylinders. This could potentially lead to uneven engine performance and increased wear on certain components.

Conclusion:

The Maximus Racing Parts RPX04M Exhaust Manifold Headers Set offers significant performance benefits for Chevy LS engines, including increased horsepower and torque, improved engine sound, and enhanced durability. However, it also comes with potential drawbacks such as cost, increased emissions, potential for noise, and potential for uneven heat distribution. Ultimately, the decision to invest in these headers will depend on your specific goals, budget, and tolerance for these potential drawbacks. If you are seeking a significant performance upgrade and are willing to address the potential cons, the RPX04M headers could be a worthwhile investment.

Recommendation:

For those seeking a significant performance upgrade for their Chevy LS engine and are willing to address the potential cons, the Maximus Racing Parts RPX04M Exhaust Manifold Headers Set is a strong contender. However, for those on a tight budget or with stricter emissions concerns, alternative performance upgrades, such as intake systems or camshafts, may be more suitable. Always consult with a qualified mechanic or performance specialist to ensure that any aftermarket part is a good fit for your specific application.

part # rpx04m prices

  • $128.28-$136.10

specifications maniheader:

  • for models: Ls1, Ls2, Ls3
  • for makes: Chevy
  • brand: Maxpeedingrods
  • brand type: Aftermarket Branded
  • california prop 65 warning: California Prop 65 Warning
  • color: Unfinished
  • country of origin: China
  • features: Heat-resistant, Left Right Exhaust
  • finish: Polished
  • fitment: For Chevrolet Ls1 Ls2 Ls3, For Oldsmobiles With Chevy Engine 305cu V8
  • fitment type: Direct Replacement
  • fuel type: Gasoline
  • items included: Gasket, Mounting Hardware
  • manufacturer part number: RPX04M
  • manufacturer warranty: 1 Year
  • material: Cast Iron
  • mounting style: Bolt-on
  • note: No Instruction Included, For Ls Engine Swaps Into Vintage Oldsmobiles
  • notice: This Is Aftermarket Replcement Part.
  • oe/oem part number: 9988-r-blem
  • performance part: Yes
  • placement on vehicle: Left, Right
  • substrate material: Iron
  • type: T4 Turbo Manifold
  • universal fitment: No

general maniheader:

  • condition: New
  • Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers

payments maniheader:

  • wallet: Paypal
  • other
  • credit card: Mastercard

returns maniheader:

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

shipping maniheader:

  • service: UPS Ground
  • transit: 2-5 Days
  • type: Fixed
  • cost: $0.00
  • carrier: UPS
  • class: Standard

offer maniheader:

  • best offers: True
  • quantity: 1
  • availability: In Stock
  • started: May 6, 2026
  • sold: 0
  • options: Ship-to-home

seller maniheader:

  • rating: 99.6%
  • # reviews: 44953
for models: ls1, ls2, ls3, for makes: chevy, brand type: aftermarket branded, california prop 65 warning: california prop 65 warning, country of origin: china, features: heat-resistant, left right exhaust, finish: polished, fitment: for chevrolet ls1 ls2 ls3, for oldsmobiles with chevy engine 305cu v8, fitment type: direct replacement, fuel type: gasoline, items included: gasket, mounting hardware, manufacturer warranty: 1 year, mounting style: bolt-on, note: no instruction included, for ls engine swaps into vintage oldsmobiles, notice: this is aftermarket replcement part., oe/oem part number: 9988-r-blem, performance part: yes, placement on vehicle: left, right, substrate material: iron, type: t4 turbo manifold, universal fitment: no,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, color: unfinished, material: cast iron, sku: 12129058089069772,

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