See more parts for Audi Q8
Select the year of your Audi Q8:
Product thumb
Weistec Water-Methanol Injection System Audi | Porsche 2018-2023
$1799.00
Free Shipping

Introducing the Weistec Water-Methanol Injection System

Water and methanol injection has been around for quite some time, making waves in various applications. Initially, it was a game-changer for aircraft engines, helping to reduce knock while boosting power and performance. Fast forward to today, and it’s a staple in the motorsports world, especially for turbocharged engines. The Weistec Water-Methanol Injection System brings significant cooling and knock prevention benefits to your engine, enhancing consistency and performance like never before.

Key Features of the System

  • Reduces intake air temperatures
  • Increases knock and detonation resistance
  • Delivers a power gain of 20-80 HP
  • Includes 4-ply silicone charge pipes with integrated injector ports
  • Features a Weistec vacuum/boost adapter, CNC machined from billet aluminum
  • Comes with a Water/Methanol Controller that has a built-in MAP sensor
  • Includes dual Weistec CNC machined injector bodies with built-in check valves
  • Offers small, medium, and large quantity injection nozzles for versatile configurations
  • Tank with an integrated level sensor (note: actual tank may vary from images)
  • High-quality quick disconnect fittings
  • Designed for a 50/50 water and methanol mixture
  • Compatible with stock, W.1, W.2, and W.3 cars
  • All necessary hardware and gaskets are included
  • Engine compatibility: EA839

Perfect Fitment for Your Vehicle

  • Audi C8 A6 2019
  • Audi K8 A7 2019
  • Audi D5 A8 2019
  • Audi FY Q8 2019
  • Audi B9 RS5 2018-2019
  • Audi B9 S4 2018-2022
  • Audi B9 S5 2018-2019
  • Audi FY SQ5 2018-2019
  • Porsche Cayenne 2019
  • Porsche Macan 2019
  • Porsche 971 Panamera 2017-2019

Easy Installation

This system is designed to be a complete, bolt-on solution that eliminates any guesswork or need for custom fabrication. Weistec has meticulously engineered and manufactured many components to ensure a straightforward installation that generic kits simply can't match. The performance gains and consistency make this upgrade a must-have for the EA839 engine.

Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Audi Q8 2019 Premium Plus
Audi Q8 2019 S Line
Audi Q8 2019 Premium
Audi Q8 2019 Elite
Audi Q8 2019 Technik
Audi Q8 2019 Progressiv
Audi Q8 2019 Prestige
Audi RS5 2018-2019, 2021-2023 Base
Audi RS5 Sportback 2019, 2021-2023 Base
Audi S4 2017-2018, 2021-2022 Base
Audi S4 2018-2022 Progressiv
Audi S4 2018-2022 Premium Plus
Audi S4 2018-2022 Prestige
Audi S4 2018-2022 Technik
Audi S4 2019-2022 Premium
Audi S5 2018-2021 Technik
Audi S5 2018-2019, 2021 Base
Audi S5 2018-2021 Premium Plus
Audi S5 2018-2021 Progressiv
Audi S5 2018-2021 Prestige
Audi S5 2019-2021 Premium
Audi SQ5 2016-2021 Technik
Audi SQ5 2016-2017, 2019-2021 Base
Audi SQ5 2016-2021 Prestige
Audi SQ5 2016-2021 Progressiv
Audi SQ5 2016-2021 Premium Plus
Audi SQ5 2017 Dynamic Edition
Audi SQ5 2018 3.0T
Audi SQ5 2019-2021 Premium
Audi SQ5 Sportback 2021 Premium
Audi SQ5 Sportback 2021 Progressiv
Audi SQ5 Sportback 2021 Technik
Audi SQ5 Sportback 2021 Prestige
Audi SQ5 Sportback 2021 Premium Plus
Porsche Cayenne 2019 Base
Porsche Cayenne 2019 Turbo S
Porsche Cayenne 2019 Diesel
Porsche Cayenne 2019 Diesel Platinum Edition
Porsche Cayenne 2019 S E-Hybrid
Porsche Cayenne 2019 Platinum Edition
Porsche Cayenne 2019 Turbo
Porsche Cayenne 2019 S Platinum Edition
Porsche Cayenne 2019 E-Hybrid
Porsche Cayenne 2019 S Diesel Platinum Edition
Porsche Cayenne 2019 S E-Hybrid Platinum Edition
Porsche Cayenne 2019 S
Porsche Cayenne 2019 GTS
Porsche Macan 2019 S
Porsche Macan 2019 Base
Porsche Panamera 2017-2019 4S Sport Turismo
Porsche Panamera 2017-2019 Turbo
Porsche Panamera 2017-2019 Turbo S E-Hybrid
Porsche Panamera 2017-2019 4 Sport Turismo
Porsche Panamera 2017-2019 4 Executive
Porsche Panamera 2017-2019 Base
Porsche Panamera 2017-2019 4
Porsche Panamera 2017-2019 4 E-Hybrid Executive
Porsche Panamera 2017-2019 4 E-Hybrid Sport Turismo
Porsche Panamera 2017 4S Diesel
Porsche Panamera 2017-2019 4S
Porsche Panamera 2017-2019 Turbo Sport Turismo
Porsche Panamera 2017-2018 S E-Hybrid Executive
Porsche Panamera 2017-2019 4 E-Hybrid
Porsche Panamera 2017-2019 Turbo Executive
Porsche Panamera 2017-2019 4S Executive
Porsche Panamera 2017 4S Diesel Sport Turismo
Porsche Panamera 2018-2019 Turbo S E-Hybrid Sport Turismo
Porsche Panamera 2018-2019 Turbo S E-Hybrid Executive
Porsche Panamera 2019 GTS
Porsche Panamera 2019 GTS Sport Turismo

Weistec Logo

What Is Weistec Engineering?

Based out of Orange County, California, Weistec Engineering is an industry leader in research, development, and design. While the company was only established in late 2010, founder Michael Weiss and his partner Steve Atneyel both have an impressive track record of working with some of the fastest and most powerful vehicles in the world. The duo were both engineers for major American OEM and aftermarket performance companies; Michael was involved with advanced engineering, while Steve specialized in computer calibration.

Michael Weiss and Steve Atneyel decided to branch out on their own and combine their expertise and experience. The pair were, and still remain, avid Mercedes enthusiast and realized that there was a huge gap in the market for a company dedicated to engineering state-of-the-art performance systems for cars powered by motors like the M156 and M159 AMG. Since its inception over a decade ago, Weistec has grown to provide customers with the highest level of satisfaction and value through unyielding tests and continuous improvements in Mercedes products and performance. 

What Does Weistec Offer?

Engineering and design are the two core services of Weistec Engineering. The Weistec team offers an array of services and capabilities thanks to the team’s combined experience from multiple fields. Whether you have a new idea or are looking to improve an existing design, Weistec can bring your concept to reality while protecting your vehicle’s design form and engineering function. Services include CAD, CAM, rapid prototyping, CNC machining, laser cutting and etching, casting, plastic injection molding, 3D laser scanning, and much more.

Weistec Engineering also offers a comprehensive line of products to the import and exotic market, covering vehicles such as Mercedes-Benz, Audi, Pagani, Alfa Romeo, BMW, McLaren, Ford, Aston Martin, and Maserati. No matter what type of upgrade you are looking for, Weistec has something for everyone when it comes to performance products, suspension parts, electrical components, interior/exterior accessories, and wheels/tires.

Weistec Engineering keeps nearly every aspect of its production process in house to guarantee only the highest quality. From conceptual 3D designs to in-house manufacturing and, ultimately, road and track testing, Weistec boasts relentless attention to detail on everything it offers. Specializing in computer-aided design and vehicle calibration, Weistec has the ability to manufacture quality products that are capable of withstanding even the most rigorous testing conditions. From OEM vehicle manufacturers to the aftermarket performance enthusiast, Weistec aims to deliver innovative solutions that address a wide range of client needs and desires. 

Find Weistec Parts at Vivid Racing

Vivid Racing carries an extensive lineup of Weistec products to suit all your needs and preferences. Our inventory is virtually endless with everything you could possibly need to upgrade your vehicle in terms of performance, power, handling, suspension, aesthetics, and accessories. If you cannot find what you are looking for above or need help choosing a product for your needs, please give us a call at (480) 966-3040. We will advise you on the possible options and walk you through the entire purchase process to ensure a hassle-free experience.

Weistec Limited Warranty

1. Warranty on Weistec Turbocharger Systems, Supercharger Systems, Exhaust Systems and Engine Accessories

12 month Weistec Limited Warranty. Valid 12 months from sales date with valid registration.The following exclusions apply to all Weistec Limited Warranties.

Weistec's limited warranties do not cover any of the following damages or items:
  • Damages to and/or failure of any non-Weistec component or equipment on a vehicle including, but not limited to, the engine, electrical system, transmission and differentials.
  • Damage caused by "Acts of God", normal wear and tear, or damage to a vehicle or engine caused by, tuning by others, collision and/or engine failure.
  • Any costs incurred for towing or downtime of the vehicle.
  • Any rental vehicle costs
  • Any labor costs to diagnose problems or to remove or replace the Weistec products; or any damage caused by the use of another company's product.
  • Any shipping costs.

Check out these other great products