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Unitronic MPI Fuel Rail Upgrade Kit - Audi S3 (8Y) / Volkswagen GTI & Golf R (Mk8) EA888.4 2022+
This complete MPI Upgrade Kit allows you to add port side fuel injectors to the factory 2.0TSI EA888 EVO4 intake manifold and features uncompromised top shelf components which were carefully designed manufactured and assembled by Unitronic.
This fuel system upgrade offer a significant increase in capacity that is needed in order to retain safety and produce maximum power with ethanol for all stages on the MK8 Golf R/8Y S3 and Stage 3 E85 for the MK8 GTI.
- Most Complete Plug and Play MPI Upgrade Kit On the Market
- Unitronic CNC-Machined Billet Aluminum Fuel Rail
- Genuine Bosch Motorsport 980CC Fuel Injectors
- Genuine Bosch Motorsport Fuel Pressure Sensor
- Genuine Continental Ethanol Content Sensor (optional)
- Premium Fuel Lines, Pinch Clamps and Hardware
- Plug and Play Wiring Harness for Simple Installation
- Precision Drill Bit and Guide for OEM Intake Manifold Preparation
- MK8 GTI Stage 3 E85 Software
- MK8 Golf R E85 Software
- 8Y S3 E85 Software
Related Hardware
- Unitronic LPFP Fueling Solution for MK8 GTI
- Unitronic MPI Fuel Rail Upgrade Kit w/o Injectors for 2.0TSI EA888 EVO4




*ROW vehicle fitment pending confirmation.
Returns may be accepted within 14 days of purchase pending Return Merchandise Authorization (RMA). No returns or cancellations on special order items. All returns will be charged a 20% restocking fee, no exceptions.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. Item must be able to be resold as new.
Several types of goods are exempt from being returned. Hazardous materials, fluids, greases, chemicals, and clothing are not able to return.
Free shipping is available within the lower 48 states for most orders totaling $199 or more. A free shipping option will be available during checkout. This offer is for delivery address in the continental United States and excludes shipments going to Alaska, Hawaii, Military Boxes, and items that require freight shipping.
Processing Time
Patterson Performance stocks a large quantity of items at any given time. Some items may require drop shipping from one of our various distributors. In stock items will ship within 1-2 business days. If you're needing your product quickly, please contact us to verify product availability before placing your order. Orders requiring additional verification (security concerns, incorrect information, etc.) may need additional processing time. Estimated shipping dates are not guaranteed and are subject to change based on inventory levels and manufacturer lead times. Backordered items are shipped immediately once available.
Items ship daily, If the item you ordered is not in stock, a member of our team will contact you via email / phone.
Patterson Performance will only ship to an address that varies from your billing address if payment is made via Paypal or a financing partner.
Patterson Performance ships from multiple warehouses throughout the United States, and sometimes from manufacturers overseas.
You can simply contact us via email / telephone for a live inventory check
Find more information at www.P65Warnings.ca.gov.
