Perrin Turbo Manifold Equal Length Subaru (incl. STi, WRX, Forester XT, Legacy GT)

$1,062.50

Reduced price!
-15%
$1,250.00

Ships Free via Ground within 48 Contiguous States

Availability: 2 items in stock

100% Geniune New Perrin Product in Original Packaging
Authorized Perrin Reseller

Primary Tubing Diameter: 1.5''
321 Stainless Tubing; Equal Length Runners for Each Cylinder

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Description

The new Perrin E4-Series Equal Length Header comes with collectors that have been designed for better exhaust flow while allowing the headers to be constructed much more accurately. The improved exhaust flow and more precise construction increases power and reliability. The new E4-Series also has a low-profile design, allowing for excellent of ground clearance.

The equal length design of the Perrin E4-Series Header produces smooth, balanced exhaust flow from the heads to the turbocharger giving you the best of two worlds: quicker turbo response as well as more horsepower and torque throughout the entire RPM band. While designed to fit to the factory up-pipe, our header will also mate with an aftermarket up-pipe that fits factory header and turbo, as well as any rotated turbo kits compatible with the factory header.

Perrin Flanges are CNC machined from 304 stainless steel and counterbored on the back side to make smoother transitions. Flange ports are sized properly to ensure exhaust coming out of the head has a smooth, unobstructed path to the tubes. The ports are not over-ported which would cause gaskets to burn out quickly. The tubes are expanded inside the flanges for a perfect fit and smooth flow of exhaust gases to the tubes.

You won't see grossly over-sized tubing to make our header ''look'' impressive, this just slows exhaust gas flow and reduces response. Perrin headers uses 1-1/2'' and 1-5/8'' (big tube) primary tubing that is expanded at the flange to fit the Subaru exhaust port size. These tubing sizes are perfectly designed for cars up to about 400 wheel horsepower and above 400 wheel horsepower, respectively. You can see from our dyno graphs that there is a significant gain in horsepower and torque across the entire RPM band compared to an OEM Subaru header.

Installation Guides and Links


Installation Guide
Describes how to install Perrin's header on Subaru (incl. STi, WRX, Forester XT, Legacy GT)

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Perrin Turbo Manifold Equal Length
321 Stainless Tubing; Equal Length Runners for Each Cylinder
Subaru (incl. STi, WRX, Forester XT, Legacy GT)
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