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Perrin 816cc Fuel Injectors |  | | Retail | $639.99 | | Price | $574.95 | | You Save | $65.04 | | Weight | 2.00 |
| The stock STI fuel injectors flow 550cc of fuel or 52.4lb/hr. When modified by PERRIN™ your injectors will flow 816cc/min or 77.81 lb/hr. Almost a 50% gain in fuel flow. At the stock injector flow of 550cc your Subaru will max out at 320hp-380hp (Crank HP) With the new PERRIN™ modified 816cc fuel flow rate your engine now has enough flow for 480hp-550hp. Each fuel injector is precision machined to flow in excess of 816cc. Injector "on time" is not affected by modifying OEM STI injectors.
A larger fuel pump than stock, preferably 255lph or higher, must be used in order to keep up with the larger injectors.
These are brand new OEM STi injectors that are modififed by Perrin.
Or we can send your injectors to Perrin and have this mod performed for $219.99 | 
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