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Perrin Performance announces their new E4-Series Equal Length Header for the 2002-2014 Subaru WRX / 2004-2016 Subaru WRX STI. 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 accurately constructed. The improved exhaust flow and more precise construction increase power and reliability. The new E4-Series also has a low-profile design, allowing for lots of ground clearance.
Equal Length Design
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.
Perfectly Sized
You won't see grossly over-sized tubing to make our header "look" impressive; this just slows exhaust gas flow and reduces response. This header uses 1.5" primary tubing that is expanded at the flange to fit the Subaru exhaust port size. This size tubing is perfectly designed for cars up to about 400 wheel horsepower.
Flanges and Port Matching
Perrin Flanges are CNC machined from 304 stainless steel and counter-bored on the backside for 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.
Note: 2.0L WRX engines will need the 2.5 STI oil pan install kit.
Started in the year 2000 and grown to one of Europe's well known distrubutrors
We are Petrolheads
We know cars, we know your hobby! This company started out of the same car passion!
Large Warehouse
Large WarehouseWe offer +- 50k products and stock about 10.000 of these in our modern warehouse in NL (EU)
Official Dealer
We deal with brands all over the world, always directly and as official partner/distributor.
Showoff Imports
A passion for cars. Not everybody get’s it… but we do. We understand the car culture like no other because we are a part of it. And we have been for more than 20 years as a company. Visiting events, working on cars and setting trends. We've been part of this community for years - glad you could join us
We understand that cars are much more than a simple means of transportation. We consider cars to be a way of life, the roaring embodiment of our lifestyle. Cars help us show who we are and it ties us together with friends. We take what the car manufacturers gave us and modify it to make it better, faster, more unique. Some of us are fresh out of school, others of us are family men but all of us are car people – just like you.
