1650cc Subaru WRX STi High Performance Fuel Injectors - Bosch EV14 (Includes PNP Harness)

Extreme Flow for Elite Subaru Performance

The SouthBay 1650cc injector kit is designed for the Subaru WRX and STi owner who demands the highest level of fuel delivery without compromising on reliability. Based on the proven Bosch EV14 platform, these injectors offer the massive flow rates required for large-frame turbochargers while maintaining the precise control necessary for consistent idling.

Why Choose SouthBay 1650cc Injectors?

• Plug-and-Play Simplicity: Despite the massive flow, installation is straightforward. We include PNP wire adapter harnesses that plug directly into your factory Subaru injector clips—no cutting or soldering required.

• Advanced Bosch EV14 Internals: Modern design ensures high-pressure stability and a superior spray pattern compared to older, modified high-flow injectors.

• 100% E85 Compatible: Featuring corrosion-resistant stainless steel internals, these units are fully compatible with E85, Ethanol, Methanol, and all racing fuels.

• Seamless Tuning: Get your car back on the road faster. We provide all tuning data, latency/dead time tables, and flow sheets directly on our website.

• Dynamic Flow Matching: Each set of 4 is flow-matched within 1%–2% to ensure engine safety and optimal performance across all cylinders.

Technical Specifications:

• Flow Rate: 1650cc/min @ 43.5 PSI.

• Impedance: High Impedance (Saturated).

• Fitment Type: Top Feed.

• Construction: Stainless Steel internals with multi-hole orifice.

4. Fitment Guide

Designed for the Subaru 2.5L Turbo DOHC (EJ255 / EJ257) engines:

• 2007–2021 Subaru WRX STi

• 2006–2014 Subaru WRX (Top Feed models)

• 2006–2013 Subaru Forester XT

• 2007–2012 Subaru Legacy GT

• Note: Perfect for top-feed conversion setups on earlier EJ-series engines.