2006 - 2008 GTI JETTA GLI Golf 2.0T FSI Stage 3 (PLUG AND PLAY ECU)

2006–2008 VW GTI / Jetta GLI 2.0T Stage 3 Plug & Play ECU Tune — By Boost Dynamic Tuning

Stop sleeping on your MK5 — it’s time to unleash the full potential of the 2.0T.

This isn’t some generic flash file. With Boost Dynamic Tuning’s Stage 3 ECU calibration, you get enthusiast-built power designed for serious performance. Whether you’re blasting down highways, ripping through tunnels, or lining up at the next meet, this Stage 3 hits hard with brutal acceleration, sharper throttle, and crackles that sound downright NUTS.

⚡ Stage 3 Tune Features

• Up to 380–420 HP / 350–400 TQ (K04 safe on stock block; GT28+ setups require forged rods)
• Sharper throttle & faster boost response
• Crackle & Pop Map (Selectable: Low, Medium, or Flame Mode)
• Award-Winning 2-Step Launch Control
• Speed Limiter Deleted
• Neutral Rev Limiter Raised (from 4K → 6K)
• No Lift Shift (NLS) — For manual transmission cars
• Smarter Boost Control = Less lag, more pull
• Fueling & timing optimized for safe maximum torque
• Immobilizer Off — Always starts with your new ECU

? Why Stage 3?

Stage 3 turns the MK5 GTI/GLI into a genuine street weapon. It’s not just the numbers — it’s about confidence, response, and outpacing anyone who thinks you’re still stock. The second you hit 2-step, it’s instant chaos and pure adrenaline.

? Crackle Pops / Overrun

Our crackle map delivers aggressive overrun — snap, crackle, BANG — on decel or free-rev. Stock exhaust = subtle pops. Downpipe/exhaust upgrade = full fireball mode. Choose your level: Low / Medium / Full Flame Mode.

? Power Gain

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.

Federal and State Emissions Compliance

• This product may modify, bypass, defeat, or render inoperative one or more emissions control devices (e.g., catalytic converters, oxygen sensors, EGR, or OBD systems).
• Installation or use on emissions-regulated vehicles is strictly prohibited by federal law and may result in civil or criminal penalties, including fines up to $45,000 per vehicle.
• This product is not EPA-certified or CARB-certified, and is therefore not legal for sale or use in California or states that follow CARB standards.

Assumption of Risk & Waiver of Liability

• You assume all risk and responsibility for compliance with applicable laws.
• You waive all claims against Boost Dynamic Tuning, LLC and its affiliates arising from unlawful use.
• You release Boost Dynamic Tuning, LLC from damages, injuries, or penalties resulting from improper use.

⚖️ Indemnification Clause

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

• Use of this product inconsistent with this disclaimer
• Misrepresentation of vehicle use
• Violation of emissions laws

Final Notice

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

The end-user is solely responsible for determining legality of this product for their application. Boost Dynamic Tuning, LLC does not condone illegal street use or emissions tampering.

By purchasing, you acknowledge that you have read and agreed to this disclaimer in full.

DOWNPIPE NOTICE: Motorsport/racing products are not designed to meet emissions standards. Not CARB-compliant. Not legal for sale or use in California or other restricted states.