1. Manifolds & Headers Offered
  2. sku: 6653238756676611
  3. STAINLESS WORKS 04GTOHCAT

STAINLESS WORKS Longtube Headers 842-04GTOHCAT

fits model: Gto. make: Pontiac. year: 2004.

04gtohcat Stainless Works Longtube Headers 2004 Pontiac Gto

( Brand: Stainless Works ), ( Mounting Style: Bolt-on, Clamp-on ), ( Items Included: Gasket ), ( Color: Silver ), ( Fitment Type: Performance/custom ), ( Manufacturer Part Number: 04GTOHCAT ), ( Mounting Hardware Included: Yes ), ( Material: Stainless Steel ), ( Item Length: Long Tubes ), ( Vintage Part: No ), ( Placement On Vehicle: Header Back Exhaust ), ( Fuel Type: Gasoline ), ( Type: Exhaust ), ( Ipn: 842-04gtohcat ), ( Manufacturer Warranty: Lifetime ), ( Features: Polished ), ( Country/region Of Manufacture: United States )

Review STAINLESS WORKS Longtube Headers Pontiac fits GTO 2004

Introducing the 04GTOHCCAT Longtube Headers for the 2004 Pontiac GTO, a high-performance aftermarket solution for enthusiasts seeking to enhance their engine's exhaust flow and power output. These headers, manufactured by HCCAT, are meticulously crafted from premium T304 stainless steel, ensuring durability, strength, and resistance to corrosion.

The longtube design of these headers provides a more efficient exhaust flow by reducing the length and number of bends in the exhaust system, allowing for a smoother and more efficient exhaust gas exit. This results in improved engine breathing, increased horsepower, and better overall performance.

Each header is engineered with a 1 5/8-inch primary tube diameter and a 3-inch collector, providing optimal flow for the 5.7-liter LS1 engine found in the 2004 GTO. The headers also feature 3/8-inch thick exhaust flanges and are equipped with OEM-style gaskets for a secure and leak-free installation.

Moreover, the 04GTOHCCAT Longtube Headers come with a set of high-flow catalytic converters, ensuring compliance with federal emissions regulations while maintaining optimal exhaust flow. These converters are designed with a 2.5-inch inlet and a 3-inch outlet, providing ample space for the increased exhaust flow.

Installation of the headers is made easy with included hardware and step-by-step instructions. The headers are also designed to work seamlessly with the factory exhaust system, allowing for a straightforward installation process.

In summary, the 04GTOHCCAT Longtube Headers for the 2004 Pontiac GTO offer a high-performance upgrade for those seeking to enhance their engine's exhaust flow and power output. Crafted from premium T304 stainless steel and featuring a longtube design, these headers provide improved engine breathing, increased horsepower, and better overall performance. With included catalytic converters and easy installation, they are an excellent choice for any GTO enthusiast looking to take their vehicle to the next level.

Buying 04GTO HCAT Longtube Headers for a 2004 Pontiac GTO comes with several pros and cons that every potential buyer should consider before making a decision.

Pros:

1. Increased Power: Longtube headers are known for improving engine performance by reducing exhaust flow restrictions and allowing for better scavenging. This results in increased horsepower and torque.

2. Better Throttle Response: The improved exhaust flow can lead to better throttle response, making the vehicle feel more responsive and agile.

3. Enhanced Sound: Longtube headers produce a unique exhaust note that is often described as more powerful and aggressive compared to stock exhaust systems.

4. Durability: HCAT Longtube Headers are made of high-quality materials, including stainless steel, and are designed to withstand the rigors of high-performance driving.

Cons:

1. Expense: Longtube headers are a more expensive modification compared to other exhaust upgrades. The cost can vary depending on the brand and the quality of the headers.

2. Installation Complexity: Installing longtube headers requires some advanced mechanical skills and experience. It is not a simple bolt-on modification, and professional installation is recommended.

3. Exhaust Leak Risk: Longtube headers can create exhaust leaks if not installed properly or if the gaskets or seals fail. This can lead to performance losses and potential safety hazards.

4. Loud Exhaust: The enhanced exhaust note that comes with longtube headers may be too loud for some people, especially those who value a quieter driving experience.

Conclusion:

In conclusion, buying 04GTO HCAT Longtube Headers for a 2004 Pontiac GTO can provide significant performance gains and a more enjoyable driving experience. However, it comes with some downsides, such as the expense, installation complexity, and potential exhaust leaks.

Before making a decision, potential buyers should carefully weigh the pros and cons and consider their budget, mechanical skills, and personal preferences. If they are comfortable with the challenges and the potential rewards, then longtube headers can be an excellent modification for their GTO.

Recommendation:

If you decide to go for longtube headers, it is highly recommended to purchase them from a reputable supplier and have them professionally installed to minimize the risk of exhaust leaks and ensure optimal performance. Additionally, consider investing in a high-quality exhaust system to complement the headers and further enhance the exhaust note.

part # 04gtohcat prices

  • $2041.00-$2045.00

specifications maniheader:

  • for models: Gto
  • for makes: Pontiac
  • for years: 2004
  • brand: Stainless Works
  • mounting style: Bolt-on, Clamp-on
  • items included: Gasket
  • color: Silver
  • fitment type: Performance/custom
  • manufacturer part number: 04GTOHCAT
  • mounting hardware included: Yes
  • material: Stainless Steel
  • item length: Long Tubes
  • vintage part: No
  • placement on vehicle: Header Back Exhaust
  • fuel type: Gasoline
  • type: Exhaust
  • interchange part number: 842-04GTOHCAT
  • manufacturer warranty: Lifetime
  • features: Polished
  • country/region of manufacture: United States

shipping maniheader:

  • transit: 6-13 Days
  • class: Standard
  • carrier: USPS
  • service: USPS Ground Advantage
  • type: Calculated
  • cost: $153.05

general maniheader:

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

payments maniheader:

  • credit card: Discover
  • wallet: Paypal
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seller maniheader:

  • rating: 100.0%
  • # reviews: 167

returns maniheader:

  • policy: No Returns

offer maniheader:

  • best offers: True
  • quantity: 1
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • started: July 2, 2025
for models: gto, for makes: pontiac, for years: 2004, mounting style: bolt-on, clamp-on, items included: gasket, fitment type: performance/custom, mounting hardware included: yes, item length: long tubes, vintage part: no, placement on vehicle: header back exhaust, fuel type: gasoline, type: exhaust, manufacturer warranty: lifetime, features: polished, country/region of manufacture: united states,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, color: silver, material: stainless steel, sku: 6653238756676611,

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