Porsche Cayman / Boxster
982 GT4 RS / Spyder RS
Built around the same 4.0L flat-six found in the 911 GT3, the GT4 RS and Spyder RS represent the pinnacle of mid-engine Porsche performance — and M-Engineering offers the tuning, power packages, and parts to match.
Porsche 982 GT4 RS / Spyder RS ECU Tuning with Live Map Switching
With the M-Engineering ECU flash for the Porsche 982 GT4 RS and Spyder RS, 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 flat-six engine. M-Engineering still utilizes all OEM ECU engine safety strategies.
"Rock solid and absolutely rips"
John Gaydos, Soul Performance Parts
The M-Engineering software is bonkers, have done a ton through our shop and it’s rock solid and absolutely rips
M-Engineering Goods
Limited-run merch & collabs. Get 'em while they're hot!
Upgrade your M-Tuner
Upgrade your M-Tuner experience with our official v2 to v3 Trade-In Program. We're offering our loyal customers the chance to exchange their wired v2 dongle for the new, cutting-edge M-Tuner v3 wireless dongle. Experience a faster, cleaner, and more convenient connection for all your tuning needs.