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Description
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 increases power and reliability. The new E4-Series also has a low-profile design, allowing for excellent of ground clearance.| Brand: | Perrin |
| MPN: | PSP-EXT-056 |
| MAKE: | Subaru |
| MODEL: | WRX, WRX STI |
| YEAR: | 2002-2014, 2004-2021 |