Proudly serving Porsche owners throughout the Inland Empire including Montclair, Ontario, Claremont, Upland, Rancho Cucamonga, Pomona, San Dimas, and Riverside, CA.
Conveniently located at the 10 fwy and Central Ave exit.

Description
Now available at 911 Design — the M-Engineering ECU Tuning with Live Map Switching for Porsche Cayman 718 GT4, GTS, and Boxster Spyder. Professional installation available at our Montclair, CA facility.
M-Engineering has been at the forefront of Porsche ECU tuning, and has spent countless hours of research and development to provide reliable performance improvements.
Our M-Tuner Calibration Suite will allow at-home OBD flashing, no ECU removal is necessary. Our software also features the ability to read and clear engine faults, datalog, view live data, and flash back to stock at your convenience.
Adjustments are made to improve the throttle response, remove top speed limiters, adjust air/fuel ratios, and modify ignition timing and much more to improve the overall driving performance of the 4.0L engine. M-Engineering still utilizes all OEM ECU engine safety strategies.
We have base ECU Calibrations supporting the following vehicles:
- 718 GT4 / Spyder
- 718 GTS
What's Included?
-
M-Tuner v3 Dongle for wireless OBD Flashing
- M-Engineering maps built for your 982 / 718 4.0L (see calibration notes)
- Ability to go back to stock
- M-Engineering Support
We have maps available in Stage 1 and Stage 2 configurations in ACN91, 91, 93, 100 octane, and E85.
M-Engineering also has unique custom features for your Porsche (no charge, available upon request). These are designed from custom code and are not available from other tuning solutions.
- Raise Rev Limiter
- PSE Exhaust Valve Modifications (true ON or OFF function, no need to buy a standalone PSE valve controller)
- Loud Cold Start Elimination
- Auto Start/Stop Elimination
- Removal of pops and burbles in sport mode
Stage 1 tune results in an increase of approximately +18whp & +10ft-lbs tq on 93 octane.
Stage 2 tune results in an increase of approximately +25whp & +15ft-lbs tq on 93 octane.
*M-FLASH requires a bench procedure which requires the ECU to be sent to M-Engineering HQ.
TYPICAL TURNAROUND TIME IS USUALLY 24 HOURS AFTER RECEIVING.
Many of our products are built to order and/or shipped directly from the manufacturer to ensure authenticity and quality. After your order is placed, our team will promptly confirm availability and provide an estimated delivery timeframe. If you have any questions regarding product selection or your order status, please do not hesitate to contact us.