1. Manifolds & Headers Offered
  2. sku: 6505467831022771
  3. ULTIMATE COMPONENTS UL10584MA140

ULTIMATE-COMPONENTS UL10584MA140 Racing Header Manifold 2.5L Exhaust

fits model: Ej25, Rs, Ss, Impreza. make: Subaru. year: 1997–2005.

Ul10584ma140 Ultimate-components For 1997-2005 Subaru Impreza Rs 2.5l Ej25 Na Racing Ss Header Manifold Exhaust

( Brand: Ultimate-components ), ( Color: Metallic ), ( Fitment Type: Performance-custom ), ( Header Inlet/ Outlet In : 1.50 2.25 ), ( Manufacturer Part Number: UL10584MA140 ), ( Manufacturer Warranty: 1 Year ), ( Materials: T-304 Full Stainless Steel ), ( Mounting Hardware Included: Yes ), ( Mounting Style: Clamp-on ), ( Placement On Vehicle: Front ), ( Surface Finish: Chrome Polished Stainless Steel ), ( Type: Exhaust Manifold )

Review ULTIMATE COMPONENTS Subaru 2.5l Racing Header Manifold Exhaust fits IMPREZA EJ25 RS SS 1997–2005

Introducing the Ultimate-Components Ultra High Flow Racing Header Manifold Exhaust System for 1997-2005 Subaru Impreza 2.5L EJ25 engines. This exhaust system is a must-have for those seeking optimal engine performance and an exhilarating driving experience.

The Ultra High Flow Racing Header Manifold Exhaust is meticulously crafted from premium T304 stainless steel, ensuring durability and resistance to corrosion. Each component is precisely engineered to provide unparalleled performance by reducing exhaust gas flow restrictions, allowing for increased horsepower and torque.

The racing header manifold is designed with 140-cell catalytic converters, providing effective emissions control while maintaining a balanced exhaust flow. The 1-5-1 header design ensures proper exhaust gas distribution, reducing backpressure and enhancing engine efficiency.

The exhaust system features a mandrel-bent design, ensuring a smooth exhaust flow with no restrictions. This design also provides for a perfect fitment, ensuring a seamless installation process. The system comes with high-performance exhaust gaskets and clamps for a secure connection.

The Ultra High Flow Racing Header Manifold Exhaust System also includes a high-flow muffler, providing an aggressive exhaust note while maintaining a reasonable decibel level. The muffler is designed with a straight-through flow for maximum exhaust flow and efficiency.

Installing this exhaust system is a breeze, thanks to the included installation instructions and the straightforward installation process. The system comes with all necessary hardware for installation, making it a true plug-and-play solution.

In conclusion, the Ultimate-Components Ultra High Flow Racing Header Manifold Exhaust System for 1997-2005 Subaru Impreza 2.5L EJ25 engines is a top-of-the-line performance upgrade. It provides increased horsepower and torque, improved engine efficiency, and a thrilling exhaust note. Made from premium T304 stainless steel, this system is built to last and is backed by Ultimate-Components' commitment to quality and customer satisfaction.

Pros and Cons of Buying a (Ultimate-Components Ul10584MA140) Racing Header Manifold Exhaust for 1997-2005 Subaru Impreza 2.5L EJ25

1. Pros:

a. Performance Enhancement: This racing header manifold exhaust system is designed to improve the performance of your Subaru Impreza by reducing backpressure and increasing exhaust flow. This results in improved horsepower and torque.

b. High-Quality Materials: The Ul10584MA140 is made of high-quality stainless steel, ensuring durability and resistance to corrosion. This makes it a suitable long-term investment.

c. Improved Sound: The exhaust system produces a more aggressive and sportier sound, enhancing the overall driving experience.

2. Cons:

a. Installation Complexity: Installing a racing header manifold exhaust system can be a complex process that requires professional expertise and specialized tools. Additionally, it may involve modifications to the engine and catalytic converter, which could potentially lead to complications.

b. Cost: The Ul10584MA140 is a premium aftermarket exhaust system, and the cost of purchasing and installing it can be substantial. This may not be an ideal option for those on a tight budget.

c. Potential Legal Concerns: In some jurisdictions, modifications to exhaust systems may be subject to emissions regulations. Installing this exhaust system might result in failed emissions tests, leading to potential legal issues and fines.

3. Conclusion:

The Ultimate-Components Ul10584MA140 racing header manifold exhaust system offers significant performance improvements and a more aggressive sound for the Subaru Impreza 2.5L EJ25. However, it comes with complex installation requirements, a substantial cost, and potential legal concerns related to emissions regulations.

4. Recommendation:

If you are an enthusiast looking for significant performance gains and a sportier sound, the Ultimate-Components Ul10584MA140 racing header manifold exhaust system may be an excellent investment. However, consider the complexity and cost of installation, as well as potential legal concerns, before making a decision. It is recommended that you consult with a professional mechanic or exhaust specialist to determine if this system is the right choice for your specific situation and driving needs.

part # ul10584ma140 price

  • $135.99

specifications maniheader:

  • for models: Ej25, Rs, Ss, Impreza
  • for makes: Subaru
  • for years: 1997-2005
  • brand: Ultimate-components
  • color: Metallic
  • fitment type: Performance-custom
  • header inlet/ outlet in : 1.50 2.25
  • manufacturer part number: UL10584MA140
  • manufacturer warranty: 1 Year
  • materials: T-304 Full Stainless Steel
  • mounting hardware included: Yes
  • mounting style: Clamp-on
  • placement on vehicle: Front
  • surface finish: Chrome Polished Stainless Steel
  • type: Exhaust Manifold

offer maniheader:

  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • quantity: 1
  • started: June 25, 2025

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  • transit: 8-15 Days
  • cost: $0.00
  • class: Standard
  • service: USPS Ground Advantage
  • carrier: USPS
  • type: Fixed

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  • # reviews: 5639
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general maniheader:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
  • condition: New
for models: ej25, rs, ss, impreza, for makes: subaru, for years: 1997-2005, fitment type: performance-custom, header inlet/ outlet in: 1.50 2.25, manufacturer warranty: 1 year, materials: t-304 full stainless steel, mounting hardware included: yes, mounting style: clamp-on, placement on vehicle: front, surface finish: chrome polished stainless steel, type: exhaust manifold,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, color: metallic, sku: 6505467831022771,

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1 offer $135.99 USD
  • Offer #1: $135.99 price + free delivery = $135.99* total. Application: for 1997-2005 Subaru Impreza RS 2.5L Non-Turbo Includes: 1 X Set of Header Exhaust System, Gasket(s) and Bolt(s) as shown in the Picture above (ALL if any is necessary for Installation) Specifics and Features: Exhaust Header Color: Metallic Material: Made of T-304 Stainless Steel Material Finish: Polished Metal Gasket Included Header Inlet/Outlet Size (IN): 1.50"/ 2.25"(Allowable Error range:0.1-0.3inch ) TIG Welded CNC Machine Flange 4-2-1 Tri-Y racing headers Notes.FREE SHIPPING