1. Manifolds & Headers Offered
  2. sku: 9399925788779761
  3. XRN 8501-201

XRN 8501-201 Ls Swap Tubular Headers Manifolds 304SS LS1/2/3 4.8 5.3 6.0 6.2L

fits model: Ls1. make: Chevy, Gmc.

8501-201 Xrn 304ss Ls Swap Tubular Headers Manifolds For Ls1/2/3 4.8 5.3 6.0 6.2l Chevy Gmc

( Brand: Xrn ), ( Mounting Style: Clamp-on ), ( Oxygen Sensor Location: Pre Catalyst ), ( Color: Silver ), ( Items Included: Gasket, Manifolds ), ( Manufacturer Part Number: 8501-201 ), ( Material: Stainless Steel ), ( Vintage Part: No ), ( Placement On Vehicle: Front ), ( Fuel Type: Gasoline ), ( California Prop 65 Warning: Warning ), ( Substrate Material: Aluminum ), ( Type: Exhaust Manifold ), ( Features: Polished )

Review XRN 304ss Ls Swap Tubular Headers Manifolds Ls1/2/3 4.8 5.3 6.0 6.2l Chevy Gmc fits LS1

Introducing the XRN 8501-201 304SS LS Swap Tubular Headers Manifolds, a high-performance upgrade for your Chevy or GMC LS1, LS2, LS3, 4.8L, 5.3L, 6.0L, or 6.2L engine. These headers are meticulously designed and engineered to deliver optimal power and torque gains while ensuring a perfect fit and easy installation.

Crafted from 304 Stainless Steel, these headers are not only durable but also resistant to corrosion and rust. The 18-gauge, heavy-duty construction ensures strength and longevity, making them an ideal choice for both street and track applications.

The tubular design of these headers offers several advantages over stock manifolds. By eliminating the restrictive catalytic converters, they provide a freer exhaust flow, resulting in increased horsepower and torque. Additionally, the tubular design allows for a more efficient exhaust scavenging process, further enhancing engine performance.

These headers feature 1.65-inch primaries, which merge into a 3-inch collector. The collector is designed with a 3-inch, 304SS, high-flow, merge collector, ensuring that exhaust gases exit the engine efficiently. The collector is also equipped with 304SS, 4-into-1, high-flow, equal length, tapered exhaust flanges that provide a perfect bolt-on fit and enable a seamless integration with your factory or aftermarket exhaust system.

The XRN 8501-201 headers come with OEM-style, removable, stud-gasket, exhaust flanges, making the installation process straightforward and hassle-free. They also include new, high-quality, stainless steel, OEM-style, oxygen sensor bungs, allowing for easy installation of oxygen sensors for emissions compliance.

These headers are CNC machined and TIG welded to ensure precise fitment and excellent welds. They also undergo rigorous testing to meet or exceed OEM specifications and to provide you with the highest level of performance and reliability.

Upgrade your Chevy or GMC LS engine with the XRN 8501-201 304SS LS Swap Tubular Headers Manifolds and unleash the full potential of your engine. Experience improved power, torque, and exhaust flow, all while enjoying the durability and longevity of 304 Stainless Steel construction.

Pros and Cons of Buying XRN 8501-201 304SS LS Swap Tubular Headers Manifolds for Chevy LS1/2/3 4.8, 5.3, 6.0, 6.2L Engines

Introduction:

The XRN 8501-201 304SS LS Swap Tubular Headers Manifolds are aftermarket performance parts designed for Chevy LS1, LS2, LS3, and LS6 engines with 4.8L, 5.3L, 6.0L, and 6.2L displacements. These headers offer improved performance and better exhaust flow compared to stock manifolds. In this article, we will discuss the pros and cons of purchasing these headers to help you make an informed decision.

Pros:

1. Increased Horsepower and Torque: The primary reason to install tubular headers is to improve engine performance. The XRN headers offer better exhaust flow, which results in increased horsepower and torque.

2. Improved Throttle Response: Tubular headers provide quicker response from the engine due to their design. The XRN headers reduce exhaust backpressure and allow for smoother power delivery.

3. Better Fuel Efficiency: Although not a significant improvement, the XRN headers can offer some fuel efficiency gains due to the reduced exhaust backpressure and improved engine performance.

4. Enhanced Sound: The XRN headers produce a more aggressive exhaust note, which can be an appealing factor for many performance enthusiasts.

5. Durability: These headers are made of 304SS material, which is a high-quality stainless steel that offers excellent resistance to rust and corrosion.

Cons:

1. Higher Cost: Tubular headers can be more expensive compared to stock manifolds. The XRN headers are a premium aftermarket product, and their cost reflects their performance benefits.

2. Installation Complexity: Installing tubular headers requires some experience and knowledge of engine performance modifications. It is recommended to have the headers professionally installed to ensure proper fitment and function.

3. Potential for Increased Emissions: The XRN headers may increase exhaust emissions due to their design, which can be a concern for those living in areas with strict emissions regulations.

4. Potential for Engine Loudness: The XRN headers can produce more engine noise compared to stock manifolds, which may be a concern for those who prefer a quieter driving experience.

Conclusion:

The XRN 8501-201 304SS LS Swap Tubular Headers Manifolds offer significant performance benefits for Chevy LS engines. They provide increased horsepower and torque, improved throttle response, better fuel efficiency, enhanced sound, and durability. However, they come with a higher cost, installation complexity, potential for increased emissions, and potential for engine loudness. Ultimately, the decision to purchase these headers depends on your personal preferences, performance goals, and budget.

Recommendation:

If you are looking for significant performance gains and are willing to invest in high-quality aftermarket parts, the XRN 8501-201 304SS LS Swap Tubular Headers Manifolds are an excellent choice. However, if you are on a tight budget or prefer a quieter driving experience, you may want to consider other options or wait for a sale or discount on these headers. It is always recommended to consult with a professional mechanic or performance specialist before making any engine modifications.

specifications maniheader:

  • for models: Ls1
  • for makes: Chevy, Gmc
  • brand: Xrn
  • mounting style: Clamp-on
  • oxygen sensor location: Pre Catalyst
  • color: Silver
  • items included: Gasket, Manifolds
  • manufacturer part number: 8501-201
  • material: Stainless Steel
  • vintage part: No
  • placement on vehicle: Front
  • fuel type: Gasoline
  • california prop 65 warning: Warning
  • substrate material: Aluminum
  • type: Exhaust Manifold
  • features: Polished

general maniheader:

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

payments maniheader:

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

offer maniheader:

  • sold: 0
  • options: Ship-to-home
  • started: December 3, 2025
  • availability: In Stock

shipping maniheader:

  • carrier: UPS
  • cost: $0.00
  • type: Calculated
  • transit: 5-12 Days
  • service: UPS Ground Saver
  • class: Economy

seller maniheader:

  • # reviews: 19
  • rating: 91.3%

returns maniheader:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller
for models: ls1, for makes: chevy, gmc, mounting style: clamp-on, oxygen sensor location: pre catalyst, items included: gasket, manifolds, vintage part: no, placement on vehicle: front, fuel type: gasoline, california prop 65 warning: warning, substrate material: aluminum, type: exhaust manifold, features: polished,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, color: silver, material: stainless steel, sku: 9399925788779761,

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