Perrin Equal Length Header - Subaru WRX/STi Size:1.5" • Setting Time Range: ：1

• Setting Time Range: ：1

Thread Size:

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• Durable DuPont Black Powdercoat

Perrin Equal Length Header - Subaru WRX/STi Size:1.5" • Setting Time Range: ：1Vehicle Fitment: 2002 2014 Subaru WRX 2004 2018 Subaru STi Description: Create a smooth sounding exhaust note while increasing horsepower and torque with the PERRIN E4 Series Big Tube Equal Length Header. The new PERRIN E4 Series Big Tube 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