Welcome to Rommies Auto Tuning

Welcome to Rommies Auto Tuning

R.A.T was founded in June 2020 by the owner and current Technical Director Llewellyn Duvenhage.

Rommies Auto Tuning (RATSA) is an ECU Remapping and Performance Tuning company based in Johannesburg, South Africa. 

Llewellyn (known as Rommies) has been a massive car enthusiast (petrolhead) all his life. His passion for the automotive industry is what drove him to start Rommies Auto Tuning (RATSA). He is a humble and genuine person and is a pleasure to do business with.

Rommies Auto Tuning (RATSA) has since grown into a strong competitive tuning company in the local South African market.

— Llewellyn Duvenhage, Founder of RATSA


ECU Remapping

Vehicle Diagnostics

Vehicle Hardware Modifications

Basic Vehicle Servicing

ECU Remapping Specialists

Our maps are effective & reliable. Incredible & realistic power gains.

High Quality Parts

We only use the best & most reliable suppliers for all your hardware needs.

Lifetime Warranty

We offer a lifetime warranty against any software malfunctions.

High Quality Workmanship

Your vehicle will be handled with the utmost care.

Great Service

We always strive to go above and beyond for our customers.

Free Coffee

Coffee addict? Yes, we know the feeling. We’ve got you covered.