Description
iBoost Haldex Gen5 Heavy-Duty Race Spring – For Aftermarket ECU Use Only
Unleash maximum rear-wheel engagement with the iBoost Heavy-Duty Haldex Gen5 Race Spring — a no-compromise solution built for drivers running high-output AWD setups with aftermarket Haldex controllers. This ultra-stiff spring delivers significantly increased clamping force inside the rear differential, ensuring immediate and aggressive torque transfer during hard launches and demanding driving conditions.
Note: This version is engineered exclusively for use with aftermarket Haldex ECUs capable of handling higher current draw. It is not compatible with factory Haldex controllers due to OEM current limitations.
Built for serious performance applications like drag racing, time attack, and high-power street builds, this upgrade is ideal for setups where maximum traction and minimal delay are critical.
Key Features:
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Extreme Clamping Force: Enables near-instant rear differential lockup under load
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For Aftermarket Haldex Controllers Only: Requires a controller capable of supporting increased pump current
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Not OEM Compatible: Will exceed current limits of factory Haldex ECUs
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Optimized for High-Performance Builds: Perfect for high-HP AWD conversions, launches, and motorsport use
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Designed for Gen5 Haldex Units: Fits a wide range of MQB AWD platforms
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Simple Mechanical Install: Includes hardware and installs like the standard spring
If you’re running an aftermarket Haldex ECU and need the most aggressive rear engagement possible, the iBoost Heavy-Duty Spring is the ultimate tool for putting power to the pavement — fast and without compromise.
