RENNtech HHT ECU Upgrade for G 550 (W463- 402 HP / 405 LB-FT)RENNtech ECU Upgrade for 463 G 550. Up to 402HP and 405LB FT. Gains: +20HP & 14LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech tuning software
Shopping security
Each payment you make on thelockerguy is secured with strict SSL encryption and PCI DSS data protection protocols
product description
Why choose thelockerguy wholesale?
Show More
RENNtech HHT ECU Upgrade for G 550 (W463- 402 HP / 405 LB-FT)