2018-2021 Volkswagen MK7.5 GTI 2.0t Stage 1 E85

Unlock the Full Potential of Your Volkswagen MK7.5 GTI

Exclusively Tuned by Boost Dynamic Tuning — Built by Enthusiasts, for Enthusiasts

If you own a MK7.5 GTI, you're sitting on serious untapped potential — and we know exactly how to extract every ounce of it. At Boost Dynamic Tuning, we don’t believe in generic solutions. We craft in-house calibrations designed to bring out the true character of your GTI — with zero fluff and all the power.

With 11+ years of hands-on tuning experience, real-world testing, and dyno-proven results, our Stage 1 ECU Tune transforms your daily into a certified backroad weapon. No gimmicks, no mystery additives — just pure, tested performance.

Why Choose BDT?

• Volkswagen-Specific Tuning Expertise: Purpose-built for the MK7.5 GTI using OEM-level tools and real-world refinement.
• Authenticity Over Hype: Every map written in-house — no resellers, no copy/paste calibrations.
• Remote Flashing: Flash your GTI via OBDII at home. No need to ship your ECU or visit a shop.
• Dyno-Tested & Track-Approved: Backed by data and proven under pressure.

BDT Stage 1 ECU Tune – MK7.5 GTI Highlights:

• RAL- Rolling Anti Lag
• MAP SWITCHING 5 SELECTABLE MAPS CHANGINE POWER/CRACKLES
• True Flex fuel, change ethonal content on the fly! No need to flash a file!
• Crackles LOW-MEDIUM-FLAMES in Dynamic/Sport Mode
• Optimized boost delivery for smooth, responsive power
• Sharpened throttle response
• Rev limiter raised (Neutral/Park)
• Torque & load limiters lifted
• Speed limiter removed
• Auto Start/Stop defaults OFF (still functional)
• Stock boost gauge calibrated for higher readings
• LPFP/HPFP pressure recalibration
• Safe for stock turbo and stock internals
• Flashable via OBDII — No physical mods required

Crackle Pops – The Overrun You’ve Been Waiting For

Add serious auditory character to your GTI with our overrun/crackle feature — a must-have for enthusiasts who want that aggressive, head-turning sound during deceleration or revs in Neutral.

• Controlled & safe implementation
• Active only in Dynamic/Sport Mode
• Sharp, aggressive pops with aftermarket exhausts
• Automatic safety reduction if exhaust temps climb too high

⚙️ Boost Control Recalibrated

The factory GTI boost curve can feel sluggish. BDT rewrites the boost logic to deliver:

• Smoother, more linear boost ramp
• Instant throttle engagement
• Consistent power delivery through every gear

This isn't just tuning — it's precision-built calibration that transforms the way your GTI drives.

Built for the Streets. Proven on the Dyno.

Whether you're hunting apexes or showing out at a local meet, BDT’s Stage 1 ECU Tune gives your MK7.5 GTI the perfect balance of refined daily comfort and raw performance.

Don’t just drive your GTI — dominate in it.

MULTI MAP SWITCHING + RAL LIVE

TRUE FLEX FUEL

POWER GAINS

ECU TUNE MODIFICATION REQUIREMENTS

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.