SUZUKI DRZ4S 2025-2026 ECU REFLASH MAIL IN SERVICE

2025 Suzuki DR-Z4S ECU Reflash – Stage 1, 2, 2.1 & 3 | SSS Motorcycles
Unlock the true performance of your 2025 Suzuki DR-Z4S with SSS Motorcycles’ professionally developed ECU recalibration packages.
Designed and tested in real Australian riding conditions — from harsh outback dust to aggressive supermotard setups — each stage is purpose-built for specific performance goals.

 PRE FILTER AND EXHAUST SOLD SEPARATE. 

✅ STAGE 1
Standard airbox (snorkel removed) + Standard exhaust
✔ Increased horsepower & torque across the entire rev range
✔ Smoother throttle response
✔ Improved low-down torque
✔ Cleaner, refined fueling
✔ Stronger everyday rideability
✅ STAGE 2
Slip-on exhaust system (preferably Yoshimura slip-on) + SSS Pre-Filter Kit
Designed with outback Australian dust and sand conditions in mind.
✔ Very noticeable torque gains throughout the entire rev range
✔ Stronger mid-range pull
✔ Improved top-end performance
✔ Sharper throttle response
✔ Balanced airflow and filtration for harsh environments
✅ STAGE 2.1
Yoshimura Full Exhaust System (No Catalytic Converter) + SSS Pre-Filter Kit
✔ Calibrated specifically for full-system flow characteristics
✔ Strong mid-to-top end performance gains
✔ Improved throttle precision under load
✔ Enhanced engine efficiency
✅ STAGE 3 40HP 
Open Airbox Setup + Yoshimura Full System (No Catalytic Converter)
(Airbox lid removed or DNA lid-type filter)
✔ Highest horsepower output of all stages
✔ Maximum airflow calibration
✔ Aggressive throttle response
✔ Strong gains across the entire rev range
⚠ Best suited for road, supermotard, or controlled riding environments.
Not ideal for harsh outback dust conditions due to open airbox setup.
📦 MAIL-IN ECU PROCESS
After purchase, please remove your ECU and securely package it.
📮 Mail ECU to:
SSS MOTORCYCLES
1/22 MACINTOSH ST
TAMWORTH NSW 2340
AUSTRALIA
Please include inside the package:
• A printed copy of your order confirmation
• Full name
• Return address
• Contact phone number
• Selected tuning stage
⏱ Turnaround time: 48 business hours from the time your ECU is received in-store.
📦 Return shipping information will be supplied once your ECU has been completed.
🇦🇺 Developed for Australian Conditions
SSS Motorcycles tuning focuses on real-world, usable power — not just dyno numbers.
Upgrade your DR-Z4S the right way.
Performance | Reliability | Results
SSS Motorcycles