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The Perfect Perrin 02+ Wrx / 04+ Sti Equal Length Header 1.5 Inch Primaries - Going Fast [1c2mfkDS]

$50.99 $163.99 -69%

Perrin 02+ WRX/04+ STi Equal Length Header The Perrin E4-Series Equal Length Header is a premium upgrade for your Subaru WRX or STi, designed to enhance both performance and sound. This header boasts an equal length design, ensuring smooth and balanc

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The Perfect Perrin 02+ Wrx / 04+ Sti Equal Length Header 1.5 Inch Primaries - Going Fast [1c2mfkDS]

Perrin 02+ WRX/04+ STi Equal Length Header

The Perrin E4-Series Equal Length Header is a premium upgrade for your Subaru WRX or STi, designed to enhance both performance and sound. This header boasts an equal length design, ensuring smooth and balanced exhaust flow from the heads to the turbocharger, resulting in quicker turbo response, increased horsepower, and torque across the entire RPM range. Its compatibility with factory up-pipes and aftermarket kits makes it a versatile choice for any Subaru enthusiast.

Technical Specifications and Features

Constructed from high-quality 304 stainless steel, this header features CNC machined flanges for precise fitting and optimal flow. The 1.5-inch primary tubing is perfectly suited for cars up to 400 WHP, providing a perfect balance between power and durability. The brushed stainless steel finish not only looks sleek but also adds to the header's longevity. Key features include:

  • 304 Stainless Steel Construction
  • Equal Length Design
  • 1.5in Primary Tubing
  • CNC Machined Flanges
  • Brushed Stainless Steel Finish
  • Header Gaskets Available (Optional)

Performance Benefits and Applications

The PERRIN Equal Length Header is more than just a performance upgrade; it's an investment in your Subaru's driving experience. Enjoy a noticeable increase in power and torque, along with a refined exhaust tone that's smooth and mellow, resembling an inline four-cylinder engine. Its low-profile design ensures it fits seamlessly under the hood, without compromising on performance. This header is ideal for daily drivers, track enthusiasts, and anyone looking to extract the full potential from their Subaru. However, please note that certain models may require alterations to the oil pan and/or radiator for proper installation. Always check local and federal laws before installation.

What Our Customers Say

January 28, 2026

Absolutely no complaints!

A great value and a truly, truly, truly fantastic product.

- Madog S..

January 28, 2026

Absolutely no complaints!

This is a really good and a very, very, very, very useful tool.

- Anwen O..

January 28, 2026

Absolutely no complaints!

So well made. I am exceptionally so happy.

- Cynddylan Z..

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