2017–2020 Audi A4 / A5 2.0T TFSI FWD

Stage 1 ECU Calibration

The B9/B9.5 2.0T FWD platform responds extremely well to intelligent calibration. BDT Stage 1 transforms factory softness into strong midrange torque, clean throttle response, and refined pull-through power — without compromising daily reliability.

Fitment & Compatibility

Vehicle: 2017–2020 Audi A4 / A5 2.0T TFSI (B9 / B9.5)
Engine: EA888 Gen 3 • IS20
Drivetrain: Front-Wheel Drive (FWD ONLY)
Transmission: Automatic / DSG
Fuel: 91 or 93 Octane

Stage 1 Features

• Up to ~282 WHP / ~360 WTQ on premium fuel
• FWD-optimized torque management for smooth traction
• Sharper throttle response and faster turbo spool
• Boost control refinement for linear delivery
• Optional crackle / overrun (Dynamic/Sport by request)
• OBDII flash — no ECU removal
• Auto Start/Stop default OFF

Dyno-Verified Power Gains

Stage 1: ~282 WHP / ~360 WTQ (fuel & conditions dependent)

Install Requirements

Windows Laptop Required (No macOS)

FAQ

Is this FWD specific?
Yes — this calibration is built specifically for FWD vehicles.

Downpipe required?
No.

Can I flash at home?
Yes — remote flashing and support included.

EMISSIONS COMPLIANCE NOTICE & LEGAL DISCLAIMER

FOR COMPETITION USE ONLY — NOT FOR STREET USE

This product is sold and intended solely for vehicles used in closed-course racing, off-road competition, or organized motorsport events. It is not legal for use on any pollution-controlled vehicle operated on public roads or highways, as defined under the Clean Air Act (42 U.S.C. § 7522) and applicable state emissions laws.

By purchasing, installing, or using this product, you explicitly acknowledge and agree to the following terms:

Federal and State Emissions Compliance

• This product may modify, bypass, defeat, or render inoperative one or more emissions control devices, including but not limited to: catalytic converters, oxygen sensors, EGR systems, or OBD monitoring systems.
• The installation or use of this product on any vehicle subject to emissions regulations is strictly prohibited by federal law and may result in civil or criminal penalties, including fines up to $45,000 per vehicle under the Clean Air Act.
• This product is not certified by the EPA or CARB, and is therefore not legal for sale or use in California or any CARB-aligned state.

Assumption of Risk and Waiver of Liability

By purchasing and/or installing this product, you agree to:

1. Assume all risk and responsibility for compliance with applicable emissions laws.
2. Waive all claims, liabilities, and legal actions against Boost Dynamic Tuning, LLC and affiliates arising from unlawful use.
3. Release Boost Dynamic Tuning, LLC from any damages or penalties resulting from improper or illegal use.

⚖️ Indemnification Clause

You further agree to indemnify, defend, and hold harmless Boost Dynamic Tuning, LLC from any fines, penalties, damages, losses, or legal fees resulting from:

• Use of this product in a manner inconsistent with this disclaimer
• Misrepresentation of vehicle use
• Violation of emissions laws or regulations

Final Notice

This product is sold “as is” and “with all faults”, with no warranties regarding legality for highway use or emissions compliance.

It is the sole responsibility of the end-user to determine the legality of this product for the intended application. Boost Dynamic Tuning, LLC does not condone or recommend illegal street use or emissions equipment tampering.

By completing your purchase, you acknowledge that you have read, understood, and agreed to this disclaimer in full.

DOWNPIPE NOTICE: BY PURCHASING A MOTORSPORT/RACING PRODUCT ("PRODUCT"), YOU REPRESENT THAT YOU UNDERSTAND AND AGREE THAT: THE PRODUCT IS NOT DESIGNED TO MEET ANY APPLICABLE EMISSIONS STANDARDS, THE PRODUCT IS NOT C.A.R.B. COMPLIANT, AND IS NOT FOR SALE OR USE IN CALIFORNIA OR ANY JURISDICTION WHERE PROHIBITED BY LAW. BOOST DYNAMIC TUNING, LLC DISCLAIMS ANY CLAIMS OF EMISSIONS COMPLIANCE. BY PURCHASING, YOU AGREE IT IS YOUR RESPONSIBILITY TO INFORM YOURSELF OF ALL APPLICABLE LAWS.