Stage II Software Upgrade - For Customers Without Existing APR Stage I Software
For use with the APR Supercharger Pulley Upgrades - This upgrade must be performed at ECS Tuning's facili
This product was last offered at the strikethrough price on
07-31-2026
Product Details
For use with the APR Supercharger Pulley Upgrades - This upgrade must be performed at ECS Tuning's facili
APR Stage II ECU Upgrade
The APR Stage II ECU Upgrade is the next step towards making more power. This stage is designed for use with a pulley upgrade that spins the supercharger faster, such as an APR Supercharger Drive Pulley upgrade, APR Supercharger Crank Pulley, or upgrading both units simultaneously. At least one pulley upgrade is required to run this software. This stage is compatible with an upgraded APR Intake System, exhaust systems, APR Supercharger Cooling Systems and other small modifications, all without requiring any further modification to the ECU.
With APR's Supercharger Drive Pulley upgrade, the engine produces 437-480 HP with 386-409 FT-LBS of torque. Gains as high as 94-138 HP and 68-100 FT-LBS of torque are available throughout the power band. If using APR's Supercharger Crank Pulley upgrade instead, the power and torque figures grow slightly higher.
When using both APR's Supercharger Drive and Crank Pulley upgrades together, the engine produces 445-527 HP and 412-459 FT-LBS of torque. Gains as high as 100-182 HP and 80-136 FT-LBS are available throughout the power band. For those looking for even more power, the APR Stage II+ Ultra ECU Upgrade is available for use with APR's Ultracharger Throttle Body, unlocking the full potential of the factory supercharger system!
*This APR Stage II software is for customers without existing Stage I software - It's a direct stock-to-stage 2 upgrade - Car must be at ECS Tuning for programming*
**An APR Supercharger Cooling System is highly recommended and may be required to meet the advertised power figures, especially when running both pulley upgrades.**
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 | 4M Q7 | Quattro | 3.0T | Use vehicle selector to confirm fitment |
| Audi | A7 | C7 | 3.0T | Use vehicle selector to confirm fitment |
| Audi | B8 S4 | Quattro | 3.0T | Use vehicle selector to confirm fitment |
| Audi | B8 S5 | Quattro | 3.0T Cabriolet | Use vehicle selector to confirm fitment |
| Audi | B8 S5 | Quattro | 3.0T Coupe | Use vehicle selector to confirm fitment |
| Audi | B8 SQ5 | Quattro | 3.0T | Use vehicle selector to confirm fitment |
| Audi | C7 A6 | FWD | V6 3.0T | Use vehicle selector to confirm fitment |
| Audi | C7 A6 | Quattro | V6 3.0T | Use vehicle selector to confirm fitment |
| Audi | Q5 | Quattro | 3.0T | Use vehicle selector to confirm fitment |
| Audi | Q7 | All | 3.0T | Use vehicle selector to confirm fitment |
Kit Contents
| Description | Brand | Qty | Lifetime | |
|---|---|---|---|---|
| APR Stock To Stage II Software Upgrade - For Customers Without Existing APR Software - (NO LONGER AVAILABLE) |
|
1 | YES |
This Product Is Covered By Our Lifetime Replacement Program
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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
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.
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.
Lifetime Replacement
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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.
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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