Use Coupon Code BOOST10 at Checkout!

Due to high volume of orders, please inquire about inventory if it is not directly listed on the product.

Financing available for as low as 0%.

Perrin E4-Series Equal Length Big-Tube Headers - 2002-2014 WRX / 2004-2021 STI

This product is out of stock and available for purchase on backorder. Please contact us for an ETA or alternatives.

NOTE: 2.0L WRX engines will need the 2.5L STI oil pan install kit.

The PERRIN Big Tube Header is perfect for those of you looking to increase both horsepower and torque numbers. However because this header features 1.625” tubing, this makes for t. . . Show More >

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