Japanese-engineered Afterfire & ECU Tuning
The LC500’s ECU was long considered impossible to rewrite. We cracked it – Japan’s first LC500 pops and bangs – and now offer same-day sound, limiter removal and response tuning for the 5.0 V8, including brand-new 2025 cars.
This 2022 GR Supra throws sustained flames on overrun – the hardest afterfire of any car we have ever tuned. The catch: its factory-locked ECU. Full story of the bench unlock and the custom pops and bangs calibration behind the dragon afterfire.
This time we performed ECU tuning on a 40-series Vellfire (powered by the T24A engine). It is a vehicle with few precedents, but the same work can be carried out on the Alphard, which is popular as a family car and uses the same engine. We will introduce the job along with real feedback from […]
Godzilla, tuned where it was born. This R35 GT-R belongs to a repeat client of ours — a collector who has already trusted us with his Maserati and his Ferrari. This time, he handed us the keys to Japan’s most famous weapon. What we built: How Much Power Does an R35 Make? (Real-World Reference) Numbers […]
Thank you for visiting! This time, we carried out Stage2 ECU tuning on a Mercedes-Benz S-Class (W222) S300h at “World Motor Hattori,” an authorized mbFAST Tuning dealer in Osaka. The owner had previously undergone Stage1 tuning and came to us with a clear request: “I want even more power — especially more torque at low […]