2018 Audi S3 Premium Plus Performance Parts

The Precision Raceworks VW / AUDI E888.3 MPI WIRE HARNESS is designed to integrate as an OEM part. It allows for factory integration with the ECU for multiport fuel injection. The harness adds 4 EV1 style fuel injector connections, 1 low fuel pressure sensor...

Full set of replacement O-rings for your EA888.3 Precision Raceworks MPI injectors.

The Precision Raceworks Ethanol 360™ fuel line fittings are designed to work in almost any application where you have 5/16" or 7.89mm quick connect fittings and need to add a flex fuel sensor. These fittings work with most all ethanol sensors without the need...

The Precision Raceworks VW / AUDI EA888.3 MPI Rail with Mounting Hardware is the same rail that is found in our VW / AUDI EA888.3 MPI Kit and feature AN6 ORB fittings on the end for ease of finding fittings! Simply Choose which fittings you...

90 degree fitting featuring a 7.89mm female quick connect on one end and a 9.89mm female quick connect on the other. Featuring our Air Hose style quick connects for easy connections! As found in our MK7 Stage 4 fuel pump & line kit.

Replacing your fuel filter element in your Precision Raceworks inline fuel filter is the best way to maintain the flow and performance of your high performance fuel system! Fuel Filter Replacement Guidelines Racing - Inspect at least twice a season and replace as needed to...

The Precision Raceworks Micro Regulator is the worlds smallest universal regulator. This unit comes pre-set/calibrated from our factory with precision tolerance so there is no guess work or best effort to set target pressure. Want to regulate your fuel at the engine to have...

The Precision Raceworks Plug-n-Play Ethanol Sensor Breakout Harness allows you to have a clean wiring solution to split the signal coming from your ethanol sensor between 2 analyzers (Example signal going to ECU or controller and to a gauge or Bluetooth display at the...

This Plug-n-Play Ethanol Sensor Harness from Precision Raceworks is certified by Motiv and directly compatible with the ReFlex+. This harness is a must for anyone wanting to connect an Ethanol Content Sensor to your Re|Flex+ allowing control based on real time ethanol content. For...

This is the same pressure switch that comes with all of our pump activation harnesses. It includes wires attached with the same 2-pin connector found on our pump activation harness. Available as 13psi or 30psi switches.

Introducing the Precision Raceworks In-Line Fuel Filter! This fuel filter features a precision machined aluminum body and fittings. AN8 female ORB on each end. *Does not include any mounting Recommended Fittings for ends AN-8 ORB to AN-6 Male Flare AN-8 ORB to AN-6 Female...

Adjustable High Flow Fuel Pressure Regulator with 1 to 1 boost reference

For battery in the front of the car

Spice up the front end of your Pre-Facelift Audi 8v A3/S3 with this new Carbon Fiber Front Lip. This Carbon Fiber Audi A3 S4 front lip changes up the look of the front end and fills the void in the center of the bumper, making...

Introducing our latest side skirt extention design for your Audi A3, S3, or RS3,. These GTX Carbon Fiber Side Skirt Extensions give a superior look to the side profile of your vehicle. Our side skirt extensions give the car a bolder and race inspired...