Turn your Audi B8 S4 or S5 into an all-out street monster with IE's complete Dual Pulley kit! Includes ECU software plus "Dual Pulley" setup
Fits vehicles with manual transmissions only
Turn your Audi B8 S4 or S5 into an all-out street monster with IE's complete Dual Pulley kit! Includes ECU software plus "Dual Pulley" setup
Fits vehicles with manual transmissions only
The one pulley solution for dual pulley power!
Fits vehicles with manual transmissions only
Upgrade to the ultimate pulley setup!
Includes a new alternator, power steering and crank pulley that allows you to use a stock belt.
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Vehicles with clutched alternator pulley require hardware kit - ES271279 for installation
This product was last offered at the strikethrough price on
06-13-2026
Easily increase the supercharger rotational speed to create more boost
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The purpose of this kit is to improve power beyond the factory throttle body in a clean and cost-effective package.
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For vehicles up through the 2019 model year only
This product was last offered at the strikethrough price on
08-17-2026
Spin the supercharger faster without affecting the accessory drive system
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Appropriate stage 2 software is required for use
Bolt on way to reclaim lost horsepower
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This product was last offered at the strikethrough price on
05-02-2026
Includes a new alternator, power steering and crank pulley that allows you to use a stock belt.
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Vehicles with clutched alternator pulley require hardware kit - ES271279 for installation
This product was last offered at the strikethrough price on
06-13-2026
Ease the 3.0T supercharger pulley removal/installation process with this install kit
Bolt On Late 3.0T Supercharger Pulley Upgrade!
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Late 3.0T Bolt On Pulley - Please Confirm Fitment Before Ordering - Appropriate stage 2 software is requi
Software & installation kit not included in this upgrade kit
*For models with press-on style supercharger pulleys - 3.0 TFSI Performance Software is sold separately a
Decreases the diameter of the factory pulley from ~63.25mm to ~57.75mm, which in turn spins the supercharger ~9.5% faster.
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- APR Stage II software is required to run any upgraded Pulley configuration and is sold separately - Ple
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
08-25-2026
Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output
*NOTE: This kit must be used with appropriate "Stage 2" performance software.
Optimized pulley size for maximum performance.
Easily increase the supercharger rotational speed to create more boost
10X Entries Into Our F80 M3 Sweepstakes