Why it does not make sense to increase the injection duration – The risks of injector decalibration

There are many myths and dangerous practices in the world of chip tuning - one of the most common and at the same time most harmful methods is increasing the...
Stefan Jevtic

Map optimization vs. % tuning – Why clean calibration is crucial

Chip tuning is not the same as chip tuning. Many providers lure customers with "quick performance increases" through percentage tuning , but this method is not only unprofessional, but in...
Stefan Jevtic

Why many providers perform CPC and engine control unit optimization incorrectly – The risks of bad software

Many providers advertise chip tuning for Mercedes-AMG, but what they fail to mention is that most of them only tune the engine control unit (ECU) and leave the CPC (Central...
Stefan Jevtic

Tuning for A45, C63, E63 & GLC63 AMG – Unleash the full potential

Mercedes-AMG stands for uncompromising performance - but even the most powerful models are not at their limit ex works. Through professional optimization of ECU, CPC & TCU, we can unleash...
Stefan Jevtic

Remote chip tuning for Mercedes – It's that easy with Tactrix OpenPort 2.0

Do you want to optimize your Mercedes-AMG or Mercedes-Benz but don't want to visit a workshop? With our remote chip tuning solution, you can optimize your vehicle from the comfort...
Stefan Jevtic

Mercedes-AMG transmission optimization – 9G-Tronic & 7G-Tronic 🚀

The engine performance of your Mercedes-AMG is impressive – but its full potential often remains unused. Why? Because the transmission control unit (TCU) artificially limits the shift times, torque and...
Stefan Jevtic

CPC optimization for Mercedes-AMG – Why it is indispensable 🚀

Mercedes-AMG vehicles are known for their performance, precision and driving pleasure. But many AMG owners do not know that their vehicle is artificially throttled at the factory - by the...
Stefan Jevtic

Mercedes-Benz CPC & transmission optimization – 100% remote with Stefanel Performance! 🚀

Mercedes-AMG models are equipped with many electronic limitations from the factory that restrict the full potential of the vehicle. Particularly affected is the CPC (Central Powertrain Controller) , which limits...
Stefan Jevtic

Exclusive cooperation with Wolfgang Weber: Perfect chassis setup for our customers

We are pleased to announce a special partnership with Wolfgang Weber from WWMotorsport . From now on, when our customers purchase a KW or ST suspension, they will receive a...
Stefan Jevtic

Stage 1 optimization for Chevrolet Camaro ZL1 (model year 2018): More power, more driving fun!

We recently had the opportunity to give a 2018 Chevrolet Camaro ZL1 an impressive Stage 1 upgrade . Right out of the box, this muscle car powerhouse is one of...
Stefan Jevtic

Stage 1 optimization for Porsche 996 (3.4L, 300 hp, built in 2000): More power and dynamics

We recently had the pleasure of performing a Stage 1 tune on a 2000 Porsche 996. This iconic model, equipped with a 3.4-liter engine and 300 hp, was taken to...
Stefan Jevtic
Stage 1 Optimierung: Fiat Ducato 2.3 Liter (2020) – Beeindruckende Leistungssteigerung

Stage 1 Optimization: Fiat Ducato 2.3 Liter (2020) – Impressive Performance Increase

We are pleased to present our latest project: the Stage 1 optimization of a 2020 Fiat Ducato with a 2.3-liter engine. This upgrade has significantly increased the performance of the...
Stefan Jevtic