RENNtech ECU Upgrade | W222 | S 550 | 500HP / 625LB-FT | 4.7L V8 BiTurbo | M278 | MY2014-2017 lamborghini-huracan-sto--2021-2024--5-2l-v10-esr7241581 0L V6 BiTurbo) Modified Performance

0L V6 BiTurbo) Modified Performance (at crank):

we offer stainless steel down pipes without cats

Improve SLR performance output up to 59HP with the RENNtech Exhaust upgrade consisting of SLR Header and SLR Race Muffler

AMG E63 (W/S213)

RENNtech ECU Upgrade | W222 | S 550 | 500HP / 625LB-FT | 4.7L V8 BiTurbo | M278 | MY2014-2017 lamborghini-huracan-sto--2021-2024--5-2l-v10-esr7241581 0L V6 BiTurbo) Modified PerformanceECU Upgrade 500HP 625LB FT Gains: +26HP +59LB FT Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune. This is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or