Quick Specs

• Gains: up to 386 HP / 406 TQ (fuel & hardware dependent)
• Fuel Options: 91/93 AKI, E40/E85 capable (with proper hardware)
• Flashing: Remote OBDII port flashing (at home or on the go)
• Transmission: Works with MT/DSG; raised revs require TCU tune
• Driving Vibe: Daily-friendly, track-ready, addictive mid-range shove

✅ BDT Stage 2 Feature Stack

• Massive horsepower & torque gains
• Speed limiter removed
• Neutral/Park rev limiter raised
• Torque limiters raised & optimized torque targeting
• Requested fueling logic refined (throttle-aware)
• Overrun / Crackle in Dynamic mode
• Refined boost control for linear, relentless pull
• Turbo lag reduced with improved response mapping
• LPFP & HPFP pressure strategies optimized
• Multi-Map Switching (up to 5 maps, on the fly)
• Rolling Anti-Lag for instant spool
• 2-Step Launch Control (Manual transmission only)
• OBDII Port Flashing — no ECU removal

Why It Slaps

BDT’s Stage 2 calibration maxes out the IS20’s safe potential without the drama. It’s smooth when you want it, ruthless when you don’t. Long pulls? Crisp and clean. Downshifts? Crackle symphony. Stops becoming launches? Absolutely.

Required / Recommended Hardware

• High-flow downpipe (mandatory for Stage 2; check local emissions laws)
• Intake (recommended for airflow & sound)
• Intercooler (recommended for heat control & consistency)
• Turbo inlet pipe (recommended for response)
• TCU tune (recommended; required for raised rev limiter/torque targets on DSG)
• Colder spark plugs (recommended): NGK 4905 (R7438-8)

Fitment

• 2015–2019 Audi A3 2.0T Quattro (AWD) — MQB / EA888 Gen 3 / IS20
• Manual & DSG compatible 

Pro Tips

• Use high-quality 93 AKI (or ethanol blends where supported) for best results.
• Keep maintenance tight: coils, plugs, filters — power is nothing without consistency.
• Always run the tune that matches your actual fuel and hardware.

Why Boost Dynamic Tuning

Precision-built calibrations, obsessive attention to drivability, and features that go beyond “just a tune.” We tune like engineers and drive like enthusiasts — so your A3 feels factory-refined at 30%, and ferocious at 100%.

 Highlights at a Glance

• Remote OBDII flash — no shop downtime
• Up to 386 HP / 406 TQ (setup-dependent)
• Multi-Map Switching (up to 5 maps)
• Rolling Anti-Lag + 2-Step 
• Refined boost control for linear pull
• Crackle in Dynamic (overrun)

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 Environmental Protection Agency (EPA) or the California Air Resources Board (CARB), and is therefore not legal for sale or use in California or any state that follows CARB standards.

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 local, state, and federal laws and regulations.
2. Waive all claims, liabilities, and legal actions against Boost Dynamic Tuning, LLC, its officers, directors, employees, and affiliates arising from the purchase, installation, or use of this product in violation of any applicable law.
3. Release Boost Dynamic Tuning, LLC from any and all damages, injuries, or penalties resulting from improper or unlawful 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 any emissions laws or regulations

Final Notice

This product is sold “as is” and “with all faults”, with no warranties, expressed or implied, regarding legality for public 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.

 **  PLEASE NOTE, IF YOU SCHEDULE AN APPOINTMENT WITH US TO FLASH YOUR TUNE, AND YOU ARE LATE WITH NO CONTACT, THERE WILL BE A $50 LATE FEE APPLIED. IF YOU NEED TO RESCHEDULE YOUR TUNE, YOU MUST CONTACT US AT LEAST AN HOUR BEFORE YOUR APPOINTMENT, OR THERE WILL BE A $50 FEE APPLIED. **

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, WHETHER IN THE USA OR OTHERWISE, THE PRODUCT IS NOT C.A.R.B. COMPLIANT, AND THAT THE PRODUCT IS NOT FOR SALE OR USE IN CALIFORNIA, USA NOR ANY OTHER JURISDICTION WHERE THE SALE OR USE IS PROHIBITED BY LAW. BOOST DYNAMIC TUNING, LLC MAKES NO REPRESENTATIONS, WARRANTIES, OR CLAIMS THAT THIS PRODUCT COMPLIES WITH ANY APPLICABLE EMISSIONS LAWS AND EXPRESSLY DISCLAIMS ANY AND ALL SUCH REPRESENTATIONS, WARRANTIES, AND CLAIMS, WHETHER EXPRESS OR IMPLIED. BY PURCHASING THIS PRODUCT, YOU REPRESENT, WARRANT, AND AGREE THAT IT IS YOUR RESPONSIBILITY TO INFORM YOURSELF OF ANY LAWS OR REGULATIONS THAT MAY APPLY TO YOUR PURCHASE AND/OR USE OF THE PRODUCT.