Decreases the diameter of the factory pulley, increasing the boost pressure output - Software not included in this upgrade
*Fits very late model years equipped with 4-bolt style supercharger pulleys - 3.0 TFSI Stage 2 Software i
Decreases the diameter of the factory pulley, increasing the boost pressure output - Software not included in this upgrade
*Fits very late model years equipped with 4-bolt style supercharger pulleys - 3.0 TFSI Stage 2 Software i
Smooth insides for higher flow and life long durability
Required for pre-facelift (up to 2012) B8 S4 / B8 S5 3.0T models, and select C7 models.
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Required for pre-facelift (up to 2012) models to fit APR Coolant Performance System MS100127
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-23-2026
Includes installation kit making install process a one man job
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Gains from 108hp/80lb-ft on 93 octane or 117hp/86lb-ft on 100 octane (from OE) - For customers with existing APR Stage 1 upgrade - This kit does not include software install. stage 2 software will need to be sourced through local APR dealer
Includes software and installation kit for a smooth power transition
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This upgrade must be performed at ECS Tuning's facility in Ohio.
Gains from 108hp/80lb-ft on 93 octane or 117hp/86lb-ft on 100 octane (from OE) - For customers with existing APR Stage 1 upgrade - Vehicle must be brought to ECS Tuning for Stage 2 pulley software
Provides increased coolant capacity for lower coolant temperatures and intake temperatures.
+160 WHP & +160 Torque! Stage 4 has the capability to deliver up to an astounding 775 horsepower! Comes with everything needed to supercharge your RS5. *Tuning not included. Requires DL501 R Series R15 Transmission Clutch Pack Upgrade.
Raises boost levels by increasing the speed in which the supercharger spins
For vehicles up through the 2019 model year only
Complete bolt on kit. The very best way to get big, everyday reliable horsepower
A genuine bolt-on supercharger kit containing everything necessary to produce sizable horsepower and torque gains
Designed for a complete bolt-on system that is completely reversible while seeing up to 595hp!