Volkswagen Golf GTI 1.8T ECU Upgrade Software - 150HP 2000

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ECU UPGRADE Accessories Fueling UniGear Stage 1 · Stage 1+ · Stage 2 · Stage 2+ · BT 630CC Wideband ECU Conversion Harness Siemens 630cc Fuel Injector Black Stage Badge · Classic Black T-Shirt · Round DTP Hoodie · Signature Badge · Snapback Cap Full Logo · Stage Badge · UniJDC 2024 Team Snapback Cap · 20 Years Air Freshener · 20" Decal · 2023 IMSA Team T-Shirt · 2023 RS3 LMS Limited Edition Pin · 42" Decal · 6.5" Black Decal · 6.5" Decal · Air Freshener (Green Apple) · Air Freshener (Ocean) · Classic Beanie · Embroidered OGIO™ Basis Backpack · Lanyard · License Plate Frame · Poly Flag · Red Stripe Beanie · U Enamel Pin · U Keychain · White Stripe Hoodie · Windshield Banner Unitronic Stage 2 : 206HP / 225LB-FT

STOCK POWER: 150HP / 155LB-FT

For Volkswagen Golf GTI 1.8L R4 / 5VT (Turbo)

Change Vehicle Octane 93 Octane / 98 Ron gas HP +56 LB-FT +70 Description Performance Software Precisely Engineered to Run 18psi of Boost. Subject to ECU Box code availability. Features

• Engineered with Strict Industry Standards
• Extensively Tested Under Various Driving Conditions
• Factory Safety Limiters Retained
• Optimized Responsiveness and Drivability
• Optimized Smoothness and Driving Comfort
• Power Delivery Perfectly Optimized Throughout the Power Band
• Improved Fuel Efficiency
• Engineered with Strict Industry Standards
• Speed Governor Removed
• RPM Limiter Increased to 6900
• Cold Weather Start and Warm up Improved
• Lower End Hesitation (Lag) Removed
• Optimized for an Upgraded (DV) Diverter Valve
• Ignition Timing Precisely Calibrated for Higher Octane Fuel
• Precisely Calibrated for an Upgraded Exhaust System (Go Green - Use a Catalytic Converter)
• Optimized for a High Flow Catalytic Converter
• Includes all Stage 2 tune variants and all lower software stages as well.

Required Hardware

• Upgraded Downpipe

Recommended Hardware

• Cold Air Intake or Short Ram
• Upgraded (DV) Diverter Valve
• Upgraded Intercooler

Oil and Additives Recommendation Unitronic uses and recommends Liqui Moly Oil & Additives exclusively for your vehicle, which meet Audi/VW approvals. To ensure your vehicle is maintained with the #1 oil brand in Germany, see what is recommended for you with the Liqui Moly Oil Guide. Please contact your local Unitronic Authorized Dealer * Pricing applicable to the North American Market only. Please contact your local Unitronic Authorized Dealer for applicable pricing in your region.Save 15% or $150 (whichever is greater) on NEW Unitronic Performance Software from December 19, 2025 to January 9, 2026. See details. Upgrade Pricing Chart for Volkswagen Golf GTI 1.8L R4 / 5VT (Turbo) Unitronic Software Guarantee for Volkswagen Golf GTI 1.8L R4 / 5VT (Turbo) Unitronic Software Warranty for Volkswagen Golf GTI 1.8L R4 / 5VT (Turbo) Unitronic Hardware Warranty for Volkswagen Golf GTI 1.8L R4 / 5VT (Turbo)

Upgrade Pricing Chart for Volkswagen Golf GTI 1.8L R4 / 5VT (Turbo)

Desired →	stage1	stage1+	stage2	stage2+	Stage 3
stage1	N/A	N/A	N/A	N/A	N/A
stage1+	N/A	N/A	N/A	N/A	N/A
stage2	N/A	N/A	N/A	N/A	N/A
stage2+	N/A	N/A	N/A	N/A	N/A

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