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APR Gen 5 Haldex Upgraded Pressure Relief Valve Spring - Stage 2

APR

SKU: APRMS100267

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Product Description
The APR Stage 2 Spring Upgrade for Haldex is the hardware component that unlocks the full potential of APR’s AWD controller calibration for Gen 5 Haldex. Engineered as a direct replacement for the factory clutch pressure relief spring, this precision-calibrated upgrade enables significantly higher achievable clamping pressures under increased torque demand while maintaining OEM-level drivability and system integrity. When paired with APR Stage 2 software for Haldex, the upgraded spring supports dramatically increased clutch pressure during high-load conditions, improving torque transfer to the rear axle and delivering faster, more consistent AWD engagement during aggressive launches and performance driving. The result is improved traction, stronger launches, and enhanced confidence when putting power to the pavement. Unlike spring-only solutions that require disassembling and modifying the factory valve assembly, the APR Stage 2 hardware is engineered as a simple, direct replacement component minimizing installation complexity while preserving factory safeguards and control architecture. Designed to work seamlessly within the OEM Haldex control strategy, the APR Stage 2 Spring Upgrade completes a fully integrated drivetrain performance solution allowing increased torque capability without compromising daily drivability or long-term reliability.

This Part Fits:

Year Make Model Submodel
2012-2013 Audi A3 Quattro Base
2015-2019 Audi A3 Quattro Premium
2015-2019 Audi A3 Quattro Premium Plus
2015-2019 Audi A3 Quattro Prestige
2017-2019 Audi RS3 Base
2015-2019 Audi S3 Premium Plus
2015-2019 Audi S3 Prestige
2014-2019 Audi TTS Quattro Base
2019 Volkswagen Arteon SE
2019 Volkswagen Arteon SE R-Line
2019 Volkswagen Arteon SEL
2019 Volkswagen Arteon SEL Premium
2019 Volkswagen Arteon SEL Premium R-Line
2019 Volkswagen Arteon SEL R-Line
2012-2013,2015-2019 Volkswagen Golf R Base
2018 Volkswagen Passat GT
2015 Volkswagen Passat Limited Edition
2016-2018 Volkswagen Passat R-Line
2015-2018 Volkswagen Passat S
2015-2018 Volkswagen Passat SE
2019 Volkswagen Passat SE R-Line
2016 Volkswagen Passat SEL
2015-2018 Volkswagen Passat SEL Premium
2015 Volkswagen Passat Sport
2015 Volkswagen Passat TDI SE
2015 Volkswagen Passat TDI SEL Premium
2015,2019 Volkswagen Passat Wolfsburg Edition
2015-2016 Volkswagen Tiguan R-Line
2015-2016 Volkswagen Tiguan S
2015-2016 Volkswagen Tiguan SE
2015-2016 Volkswagen Tiguan SEL
Delivery
The vast majority of orders ship out the same business day and are delivered within just 1-3 business days, this includes our Free Shipping service. On the very rare occasions when an order will not ship right away customers will be emailed promptly with an estimated ship date and the option to cancel or remain on order. Brands that ship from international locations such as Milltek typically take between 4-7 business days to be delivered.
Free shipping
We offer speedy free shipping to the continental US for orders of $200 or more. For those customers placing orders of less than $200 we offer a standard flat rate fee of $9.99. Customers either pay $9.99 or nothing for shipping - no surprises at checkout! The majority of orders are delivered within 1-3 business days using the free shipping option, however some orders can take up to 5 business days depending on your location.
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Returns
Our return policy allows customers to return most orders within 30 days (7 days for AutoTecknic parts). Customers are responsible for any shipping fees associated with a return and the restocking fee. All parts must be in 100% brand new condition. Return requests must be made via email. Feel free to view our return policy for full details.
Images
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