Dramatically increase horsepower and torque by increasing the rotational speed of the factory supercharger (Bolt-On SC Pulley)
Call In Or Chat For Best Price! *For models with factory bolt-on pulley (3.0T Gen 2 Simos 16.x) - APR Stage II software is required to ru
Brand:
ES#:
4057277
Mfg#:
MS100185
In Stock
ON SALE!
SAVE 10%
$623.99
This product was last offered at the strikethrough price on 09-28-2026
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
Spin the supercharger faster without affecting the accessory drive system
10X Entries Into Our F80 M3 Sweepstakes Appropriate stage 2 software is required for use
Drastically reduces intake air temps (IAT), minimizes heat soak, and provides increased performance!
Call In Or Chat For Best Price! *Pre-faclift models (up to 2012) require Fit Kit - Please see Fit Kit MS100136 or ES3219342 for a complet
Brand:
ES#:
3219341
Mfg#:
MS100127
Back Ordered
ON SALE!
SAVE 10%
$1599.99
This product was last offered at the strikethrough price on 09-28-2026
Significantly reduces intake air temperatures - Core size increased From 148 sq. in. to 341 sq. in, and frontal area increased by 130% over stock cooler!
2X Entries Into Our F80 M3 Sweepstakes *Please Note: Vehicles equipped with a factory dynamic steering cooler must relocate - Please see description for more info*
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
Brand:
ES#:
3082216
Mfg#:
CTS-HW-0133
Ships in 5 Business Days
ON SALE!
SAVE 20%
$159.99
This product was last offered at the strikethrough price on 09-29-2026
Increases the supercharger RPM throughout the full powerband, raising supercharger speed by 7%
*Fits very late model years equipped with 4-bolt style supercharger pulleys - 3.0 TFSI Stage 2 Software is required in order for this pulley to yield a p