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Perrin STi Fuel Rail |  | | Retail | $489.95 | | Price | $440.95 | | You Save | $49 | | Weight | 5.00 |
| The stock fuel rails and lines allow more fuel and pressure to be distributed to the other cylinders. When WRX owners begin upgrading the engine and adding more boost and more power to this the problem gets even worse. The Perrin Fuel Rail Kit solves those problems. By redirecting fuel to both banks of cylinders as well as the regulator, even fuel distribution is guaranteed. Kit includes two billet aluminum rails, one fuel pressure regulator mount, stainless lines, and stainless fittings. Aftermarket electronics are strongly encouraged. This kit comes preassembled for an easier install. For 2004+ 2.5L STi Only
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