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10-16 Audi S4 APR 3.0 TFSI Supercharger Drive and Crank Pulley Upgrades

$644.97

Type of Pulley Kit (Required)

APR Supercharger Drive Pulley Removal Tool

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Product Description

***NEW SOFTWARE FLASH IS REQUIRED TO RUN THIS UPGRADE***

***THIS KIT INCLUDES THE FOLLOWING: APR SC Drive Pulley, APR Crank Pulley, and Belt***

APR presents the 3.0 TFSI Supercharger Drive and Crank Pulley Upgrades.

APR’s Supercharger Drive and Crank Pulley Upgrades dramatically increase horsepower and torque by increasing the rotational speed of the factory supercharger. APR’s Stage II Pulley ECU Upgrade makes the necessary engine management adjustments to handle the increased supercharger speeds, and in turn allows the engine to create more power. The pulleys are sold separately, allowing for multiple levels of performance, each of which builds upon the other. Finally, when combined with APR’s Ultracharger Throttle Body Upgrade in a dual pulley setup, the system is alleviated of power robbing inlet restrictions, allowing the engine to achieve exciting new levels of performance!

Pulley
Pulley

Pulley

APR Supercharger Drive Pulley Upgrade

Supercharger PulleySupercharger Pulley

APR’s Supercharger Drive Pulley Upgrade decreases the diameter of the factory pulley from ~63.25mm to 57.75mm, which in turn spins the supercharger ~9.5% faster. This results in a healthy bump in horsepower and torque across the entire RPM range with the supercharger operating at a higher rate of speed. The pulley is CNC machined from billet stainless steel, e-coated black for an OEM appearance and is press fitted to the factory supercharger unit on Gen 1 models and bolted on on Gen 2 models with new OEM bolts.

APR Supercharger Crank Pulley Upgrade

Crank PulleyCrank Pulley

APR’s Supercharger Crank Pulley Upgrade increases the diameter of the factory pulley from ~162mm to ~187mm, which in turn spins the supercharger ~15.4% faster. This results in a larger bump in horsepower and torque across the entire RPM range, as the supercharger is spinning at an even higher rate of speed. The pulley retains the factory harmonically balanced crank pulley and bolts on top of the existing unit. It is CNC machined from light weight billet aluminum with weight saving pockets throughout. It has an anodized black finish and includes new crank pulley bolts.

Please note: For 3.0 TFSI Gen 2 engines (Simos 16), the Supercharger Crank Pulley is only available when used in a dual pulley configuration.

APR Supercharger Dual Pulley Upgrades

Supercharger PulleyCrank Pulley

Upgrading both the supercharger drive and crank pulleys results in the factory supercharger spinning ~26.4% faster than stock. This speed was chosen after extensive engine and chassis dyno testing with various pulley sizes and supercharger speeds. The result is an even higher horsepower and torque gain across the entire RPM range. However, at the airflow levels achieved with a dual pulley setup, maximum power is severely restricted by the factory throttle body unit. The APR Ultracharger Throttle Body Upgrade is necessary to take full advantage of the dual pulley configuration, and is available in platform specific variations for the B8/B8.5 A4/A4/S4/S5, Q5/SQ5 and C7 A6/A7.

APR Stage II ECU Upgrade

engine

APR’s Stage II ECU Upgrade is designed for use with each pulley upgrade and only needs to be purchased once. The upgrade builds upon the APR Stage I ECU Upgrade, reconfiguring the engine management system to work in conjunction with the higher boost pressure and airflow levels achieved by spinning the supercharger faster.  The Stage I ECU Upgrade is required to purchase the Stage II ECU Upgrade.

Supercharger Speed

dyno
APR Stage II Calibration Report
Stage Fuel Max Power
HP
Max Torque
FTLBS
Max Power
Gain over Stock
Max Torque
Gain over Stock
– APR recommends and tuned with Sunoco GT 260 for 100 AKI mode and Sunoco GT 260 Plus for 104 AKI mode. Never use lower octane than specified by the mode.
– Max increases are based on APR’s actual measured stock values and not those reported by Audi. | RON = ROW Fuel Grades | AKI = North American (RON+MON)/2 Fuel Grades.
– Reported wheel figures measured using APR’s in house dynos using SAE J1349 correction and an average of multiple runs for all figures. Crank figures are estimated based on the measured wheel figures and APR’s engine dyno results. Results will vary depending upon environmental conditions, vehicle, transmission, vehicle health, operating conditions, temperatures, fuel grade, dyno type, dyno setup, other variables and other modifications. For the best results, APR recommends removing the intake snow screen.
– Please note, transmission software is required to achieve power figures past the factory redline.
Audi S4/S5 (B8) (333HP)
Stage 2 Single Pulley 91 AKI / 95 RON 437 HP 386 FT-LBS +94 HP +68 FT-LBS
Stage 2 Single Pulley 93 AKI / 98 RON 455 HP 395 FT-LBS +112 HP +82 FT-LBS
Stage 2 Single Pulley 100 AKI / 104 RON 473 HP 404 FT-LBS +130 HP +95 FT-LBS
Stage 2 Single Pulley 104 AKI / 108 RON 480 HP 409 FT-LBS +138 HP +100 FT-LBS
Stage 2 Dual Pulley 91 AKI / 95 RON 445 HP 412 FT-LBS +100 HP +80 FT-LBS
Stage 2 Dual Pulley 93 AKI / 98 RON 465 HP 428 FT-LBS +120 HP +97 FT-LBS
Stage 2 Dual Pulley 100 AKI / 104 RON 513 HP 459 FT-LBS +168 HP +126 FT-LBS
Stage 2 Dual Pulley 104 AKI / 108 RON 527 HP 469 FT-LBS +182 HP +136 FT-LBS
Audi S4/S5 (B8.5) (333HP)
Audi A4/A5/Q5 (272HP)
Audi SQ5 (354HP)
Audi A6/A7 (C7) (310HP)
Audi A6 (C6) (290HP)
Audi A4/A5/A6/A7/A8/S4/S5 (333HP) Simos 16
Application Guide
Model Engine Transmission Supercharger Pulley
ECU Upgrade
Crank Pulley
ECU Upgrade
Dual Pulley
ECU Upgrade
Audi A4 – (B8.5 Typ 8K) 3.0 TFSI Gen 1 All Available Available Available
Audi A4 – (B8.5 Typ 8K) 3.0 TFSI Gen 2 All Available Available Available
Audi A5 – (B8.5 Typ 8T) 3.0 TFSI Gen 1 All Available Available Available
Audi A5 – (B8.5 Typ 8T) 3.0 TFSI Gen 2 All Available Available Available
Audi A6 – (C6 Typ 4F) 3.0 TFSI Gen 1 All Available Not Available Not Available
Audi A6 – (C7 & C7.5 Typ 4G) 3.0 TFSI Gen 1 All Available Available Available
Audi A6 – (C7.5 Typ 4G) 3.0 TFSI Gen 2 All Available Available Available
Audi A7 – (C7 & C7.5 Typ 4G) 3.0 TFSI Gen 1 All Available Available Available
Audi A7 – (C7.5 Typ 4G) 3.0 TFSI Gen 2 All Available Available Available
Audi A8 – (D4 Typ 4H) 3.0 TFSI Gen 1 All Available Available Available
Audi A8 – (D4 Typ 4H) 3.0 TFSI Gen 2 All Available Available Available
Audi Q5 – (B8 Typ 8R) 3.0 TFSI Gen 1 All Available Available Available
Audi Q7 – (MK1 Typ 4L) 3.0 TFSI Gen 1 All Available Not Available Not Available
Audi S4 – (B8 & B8.5 Typ 8K) 3.0 TFSI Gen 1 All Available Available Available
Audi S4 – (B8.5 Typ 8K) 3.0 TFSI Gen 2 All Available Available Available
Audi S5 – (B8 & B8.5 Typ 8T) 3.0 TFSI Gen 1 All Available Available Available
Audi S5 – (B8.5 Typ 8T) 3.0 TFSI Gen 2 All Available Available Available
Audi SQ5 – (B8 Typ 8R) 3.0 TFSI Gen 1 All Available Available Available
VW Touareg – (MK2 Typ 7P) 3.0 TFSI Gen 1 All Available Available Available

This product is designed for use with APR’s S Tronic TCU Upgrade, NGK BKR9EIX plugs gapped @ .024” +/- .002” torqued to 30Nm and a new supercharger belt. The APR Supercharger Cooling System is highly recommended and required with the dual pulley setup. IAT’s must be below 75c to achieve the advertised power figures. A high flow intake system is highly recommended and an intake is required to meet the advertised power figures. For the best results, APR recommends removing the intake snow screen.

Supercharger Drive Pulley Removal Tool

RPM

The factory Gen 1 supercharger drive pulley is pressed on to the supercharger’s input shaft. It’s not possible to remove the factory pulley without damage, or damaging the supercharger itself unless special care and attention is taken.

The APR Supercharger Drive Pulley Installation Kit is designed to encapsulate the entire pulley and pull evenly across its entire surface. The unit is compact enough to not require complete removal of the front end of your vehicle, reducing labor time. Furthermore a provision was made to incorporate a 1/2 inch drive breaker bar which allows the entire assembly to be easily counter-held and ultimately makes the process a one man job.

A complete install manual covers the install process from start to finish, making installation easily completed at any APR dealer or in your own garage.

Additional information

Weight 10 lbs
Dimensions 15 x 15 x 12 in

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Competition use only parts are clearly labeled as competition use only in the product listing page and may only be used according to the guidelines posted on our Emissions Notice to Customers in California page