Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Air and Fuel› Fuel Injection Systems and Components - Electronic

Injector

Dynamics ID1050X 1050cc Fuel Set

Name: Dynamics ID1050X 1050cc Fuel Set
Brand: Injector
SKU: IDX1050.48.11.WRX.4

$582.58

SKU: IDX1050.48.11.WRX.4

Free Shipping over $200

$100 Minimum Order

Non-Returnable Item

DIY PRO SHOP

Easy — 1–2 hours

Overview

The Injector Dynamics ID1050x is a top-feed fuel injector designed for Subaru EJ engines. It is the latest offering from Injector Dynamics and Bosch Motorsport, building upon the development of previous X-Series injectors. This injector is built to spec for motorsport tuning.

Show original supplier description

The Injector Dynamics ID1050X fuel injectors are a high-performance upgrade designed to deliver precise fuel delivery for demanding applications. Developed in collaboration with Bosch Motorsport, these top-feed injectors boast a 1050cc capacity and feature an advanced internal flow path that enhances output by 5% without compromising low-flow control, ensuring excellent idle and cruise characteristics. Engineered to be compatible with a variety of fuels, including alcohol, ethanol, race fuels, and standard gasoline, the ID1050X injectors offer versatility for different tuning setups. Their normal flow rate is rated at 1065cc/min at 3.0 BAR (43.5 psi), with a maximum differential fuel pressure capability of 10.0 BAR (145.0 psi). Each set includes four injectors, USCAR electrical connectors, and stainless steel terminals. Installation of these injectors requires custom tuning to ensure optimal performance and engine health. Additionally, the factory wiring harness will need to be modified, as the stock connectors must be cut off to adapt to the new USCAR connectors. This product is sold as a set of four injectors and does not include fuel rails.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

Brand	Injector
Part Number	IDX1050.48.11.WRX.4
Category	Air and Fuel

Videos

Subaru STI Injector Install

Installing my Injector Dynamics 1050x injectors!

Injector Dynamics X Series - Real Street Performance

2017 STI Fuel Injector Install! Employee Build: Muchee's Subaru STI | EP. 2.2

COBB 1050 cc INJECTORS ON 15 STI

5 Reasons Why Injector Dynamics Are The Best

Subaru STI ID1050 injectors install

Paul Yaw from Injector Dynamics speaks fuel injectors with the High Performance Academy

GT-R - Fuel Injector Clinic (FIC) vs Injector Dynamics (id)

2010 STi ID 1050x Injectors & Stumble Fix

STI sidefeed to top feed INJECTOR DYNAMICS 1050x install

Installing Injector Dynamics, TGV Housings, IAG Fuel Rails (gold) on my 2012 Subaru STI #subaru

5,000+ Trusted brands

1M+ Enthusiasts

5M+ Parts sold

(760) 282-4645 hello@motormia.co

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy