RENNtech ECU+ Upgrade | W166 | GLE 450 SUV | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 aston-martin-dbx-dbx-straight-six-esr5336234 RENNtech products are manufactured to

RENNtech products are manufactured to perfectly match the stock S 63 AMG exhaust system and include all necessary mounting hardware and clamps

396awhp @ 5

Gains: Up to +228 HP| +182 LB-FT

Our performance downpipe has been developed specifically for the CLA 45 to maximize exhaust gas flow

RENNtech ECU+ Upgrade | W166 | GLE 450 SUV | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 aston-martin-dbx-dbx-straight-six-esr5336234 RENNtech products are manufactured toECU+ Upgrade Up to 392 HP 463 LB FT Gains: +30 HP & +84 LB FT RENNtech tuning products are certified to meet CARB standards in all 50 States. RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock