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ES#4415298 - SN0-211 - Stage 2.5 Boost Cooler Forced Induction Progressive Water-Methanol Injection Kit  - Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings - SnowPerformance - Audi BMW Volkswagen MINI

Stage 2.5 Boost Cooler Forced Induction Progressive Water-Methanol Injection Kit

Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings
SnowPerformance
Mfg Part #
SN0-211
ECS Part #
ES#4415298
Brand
SnowPerformance

702.99
Free Shipping Free Shipping
on orders $49 and up
Availability:
Available from Supplier
Est. Ship Date:
Ships Aug 10, 2026
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Product Details

Unlock 50-70 HP on your boosted vehicle while decreasing your air temps by up to 100 degrees! Increase your pump gas octane by 25 points and make more power efficiently with a cooler running motor! The Snow Performance Stage 2.5 Boost Cooler water methanol injection kit is available for all forced induction applications (Supercharged/Turbocharged). The Stage 2.5 uses the progressive VC-50 controller (52mm Gauge) that proportionally injects more or less water methanol according to boost pressure. Start and full points are adjustable for engagement and delivery curve to match what the engine requires. Proportionally injecting according to boost pressure gives a accurate delivery of water methanol and allows cooling and performance improvements over a wide range for improved drivability. Especially helpful for direct injected engines to remove 100% of carbon build up on the valves. Recommended for all street/strip driven forced induction vehicles using a turbo or centrifugal supercharger (Procharger/Vortech) looking for cooling over a wide range.

The VC-50 (ISO 9001 Manufactured) controller offers the functionality of a boost gauge and water methanol controller all in one! Highlighting a bright 7 color (Blue, White, Red, Yellow, Orange, Purple, Green) O-LED screen displaying boost, percentage of injection, low level, secondary stage activation, prime button, and system fault codes directly on the screen. You can tailor the controller color to match your OEM gauges or mix and match up to two colors!

This kit utilizes the only OEM approved water methanol injection pump on the market with proprietary heat flange, twin seals, and custom motor winding to run cooler and longer than the competition. The Extreme Environment 300 PSI UHO pump is designed to be in the elements with O-Ring connections that are then sealed and potted to ensure no moisture can enter the pump internals. Compare this to pumps that use a pump "sleeve". These sleeves will keep moisture around the pump unit leading to corrosion as well as trap heat greatly decrease pump life. The Stage 2.5 comes standard with 100% methanol resistant components using stainless steel, nickel plating, EPDM, and hard anodizing to ensure years of continued use. Tie that in with new Snow Performance ACU-SEAL compression fittings for guaranteed leak free operation even when using 100% methanol. Whether running a supercharger, turbo, or high compression motor the Stage 2.5 Boost Cooler will make the induction charge colder, denser, and increase 91 octane fuel to 116 octane race gas levels allowing full power all the time!

Features:

  • U.S.A. Made
  • Adjustable Progressive Water Methanol Engagement & Monitoring
  • Digital Boost Reading (1-50 PSI)
  • Recommended For Street Driven Turbo and Centrifugal Supercharger Applications
  • Supports 1,000+ HP
  • 100% Methanol Resistant (Stainless Steel, Nickel Plating, Hard Anodizing, EPDM)
  • Snow Performance Hyper-Sonic Water Methanol Nozzle
  • Snow Performance ACU-SEAL Water Methanol Compression Fittings
  • Snow Performance OEM Approved Extreme Environment 300 PSI UHO Water Methanol Pump
  • Snow Performance Running "S" Engraved Low Profile Nozzle Holder
  • Snow Performance Running "S" Engraved Low Profile High Flow Check Valve

Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.

This Part Fits the Following Vehicles

Make Model Submodel Engine Special Fitment Notes
Audi All All All Use vehicle selector to confirm fitment
BMW All All All Use vehicle selector to confirm fitment
MINI All All All Use vehicle selector to confirm fitment
Volkswagen All All All Use vehicle selector to confirm fitment
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

This product is not eligible for Lifetime Replacement

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Return and Exchanges

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New/Unused Product Returns

ECS Tuning will accept returns for unused products within 90 days of the ship date for a refund to the original payment method used. The customer is responsible for the return shipping costs and fees. If selecting to use a prepaid shipping label, the shipping cost will be deducted from the total refunded amount. All new/unused products must be new, unused and must be in the original packaging, including labeling, manuals, hardware, etc. Special order parts are non-refundable.

In the event that we find an error on our website or on behalf of an ECS Tuning Representative, we will provide a return shipping label from the original delivery location.

Refused Packages

Any domestic orders that are returned to ECS Tuning as refused by receiver or non-deliverable will be subject to a return handling fee and will be processed as a return in compliance with our standard return policy, including a 15% restocking fee.

Any international orders that are refused at the time of delivery will be subject to carrier abandonment of the package, at which time the ordered products would be discarded by the carrier. The customer will not be refunded for the value of the order and the discarded products are no longer retrievable.

Return Process

Return Process

ECS Tuning now offers an online returns solution! To get started, simply log into your ECS Tuning account, Click the "View Orders" button on the My Account home page and select the order that you wish to make a return on to begin. If you have any questions, feel free to reach out to our Customer Service Team for assistance!

Please note: Refunds will be processed to the original payment method used on the order or to an in store credit, respective to the type of return that is made as well as any pre-existing arrangements with an ECS Tuning Customer Service Representative. In the event that multiple forms of payment were used, we will refund the value to an in store credit. In the event that a return label is provided, these charges may be deducted from the total refund you receive.

Original shipping costs are non-refundable and the buyer is responsible for return shipping charges. ECS Tuning will not accept COD deliveries.


All in store credit balances will expire after one year from the original purchase date.

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Shipping Policy

Free Shipping On Orders $49 & Up

Items marked with a 'Free Shipping On Orders $49 and Up' logo may qualify for free standard economy ground shipping to the contiguous United States (48 states) for most orders with a value greater or equal to $49.00 USD. Oversized products and direct ship products are excluded from this offer unless otherwise noted.

Free Shipping

Items marked as 'Free Shipping' may qualify for free standard economy ground shipping to the contiguous United States (48 states). Oversized products and direct ship products are excluded from this offer unless otherwise noted.


The policies listed above are subject to change at any time without notice.

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Lifetime Replacement

Want to know more about our Lifetime Replacement program?

Click here to learn more.

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Why You Should Shop From ECS Tuning

ECS Tuning stands out as more than an automotive parts supplier-it's a vibrant community fueled by a shared passion for cars. Born from the enthusiasm of car lovers, we offer an unmatched understanding and commitment to the automotive world, providing high-quality parts and accessories sourced from our own experiences. Our selection is meticulously crafted to meet the highest standards of performance, quality, and design, catering to both the latest trends and classic styles.


Our distinct advantage lies in our passionate team and comprehensive support, offering expert advice and seamless service from selection to installation. Shopping with ECS brings exclusive perks, including our Lifetime Replacement Guarantee and free shipping on orders over $49, enhancing the value of every purchase. As a central hub for car enthusiasts, ECS Tuning fosters a rich community where ideas and experiences flourish, transforming us from a mere supplier into a platform where automotive dreams come to life.

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Cancellation Policy

At ECS Tuning, we understand that plans can change. That's why we offer a flexible cancellation policy for our customers. You may cancel your order at any time before you receive the shipment confirmation. This policy is designed to provide you with peace of mind and the flexibility to make adjustments to your purchases as needed. Should you decide to cancel your order, simply reach out to our customer service team, and we will assist you with the process swiftly and efficiently.

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Manufacturer names and/or part numbers are used only for identification purposes.

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