APR Ultracharger Throttle Body Upgrade - 3.0 TFSI - B8/B8.5 S4/S5/A4/A5

Fits 2010-2017 Audi S4, S5

Part # MS100128 Be the first to write a review

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$799.95

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Emissions

This part is legal under the provisions of EPA’s Tampering Policy dated November 23rd, 2020.

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The APR Ultracharger System dramatically increases horsepower and torque, and maximizes the power potential of the 3.0 TFSI. It removes a massive pre-supercharger restriction, allowing uninterrupted airflow into the supercharger for up to an astonishing 542 HP with APR's Supercharger and Crank Pulleys. Stunning carbon fiber and smooth cast-aluminum adorn the system, creating a clean and simple install that looks just as powerful as it is. Finally, APR's innovative Ultracharger ECU Upgrade delivers a smooth and exciting driving experience, and it is included as a free upgrade to all who own an APR Stage 2 ECU Upgrade.

Features:

Ultimate 3.0 TFSI upgrade
28% larger throttle body upgrade
Includes the ECU upgrade (Waives upgrade price)
Includes new NGK spark plugs
Cast aluminum inlet adapter
Carbon fiber inlet tube
New harness
New gaskets and hardware
Plug and play with APR software
Attractive appearance
Massive horsepower and torque improvements

Adapter Construction	Cast
Adapter Material	Aluminum
Brand	APR
Emission Code	7
Inlet Material	Carbon Fiber
Product Type	Throttle Body
Throttle Diameter (mm)	80
UPC	810904031235
Part Number	MS100128

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This part is legal under the provisions of EPA’s Tampering Policy dated November 23rd, 2020. The company has reasonable basis (test results) to verify that this product allows the vehicle to operate within legal emissions standards and is therefore legal to be sold for on-street use in all states that accept the legal provisions of the Clean Air Act and the EPA Tampering Policy. This product is NOT LEGAL FOR SALE OR USE IN THE STATE OF CALIFORNIA. Testing with the California Air Resources Board, in order to achieve 50-state compliance, is pending with CARB. Once testing is complete with California, and an E.O. number is issued, this product will be updated to 50-state legal status.

Install Instructions

Please note, specific software is required to use this system. Software is included. Software compatibility must be checked before purchase. This system also requires other hardware to function properly, including: Supercharger Drive Pulley, Supercharger Crank Pulley, Exhaust, Supercharger Coolant Performance System (CPS), and NGK BKR9EIX plugs gapped @ .024" +/- .002" torqued to 30Nm. Intake Air Temperature (IAT) must be below 75c. The factory intake snow screen should be removed and intake upgraded. Transmission software is required to hit higher RPM limits.

Have a question about this product?

The restriction and the solution

The factory throttle body is a massive power-robbing restriction. Its cross-sectional area is ~25% smaller than the supercharger’s inlet, causing airflow to plummet at high supercharger speeds. It’s responsible for losses as high as 33 HP! The APR Ultracharger Throttle Body is huge. Its cross-sectional area is ~28% larger than stock, and an additional 5% larger than the supercharger’s inlet. It completely eliminates the throttle body as a point of restriction and allows for maximum airflow into the supercharger.