RENNtech

If you want more from the 2012-2016 SL 63 AMG without touching the hardware, this RennTech Intermediate ECU Upgrade is the cleanest way to get it. RennTech revises the factory calibration for the 5.5L M157 twin-turbo V8, raising power and torque through the full...

The 2013-2015 GL 63 AMG responds well to software, and RennTech has been writing engine calibrations since electronic engine management arrived in the mid-1980s. This Intermediate ECU Upgrade rewrites ignition timing, throttle mapping, fueling and boost control on the 5.5L M157 twin-turbo V8, so...

RennTech built its name in Florida tuning high-performance engines, and this Intermediate ECU Upgrade for the 2014-2017 S 63 AMG BiTurbo is the result of in-house dyno development on the 5.5L M157 twin-turbo V8. Timing, throttle, air-fuel and boost tables are revised as one...

If you want more from the 2015-2017 S 63 AMG BiTurbo without touching the hardware, this RennTech Intermediate ECU Upgrade is the cleanest way to get it. RennTech revises the factory calibration for the 5.5L M157 twin-turbo V8, raising power and torque through the...

If you want more from the 2016-2020 GLE 63 AMG SUV without touching the hardware, this RennTech Intermediate ECU Upgrade is the cleanest way to get it. RennTech revises the factory calibration for the 5.5L M157 twin-turbo V8, raising power and torque through the...

If you want more from the 2016-2020 GLE 63 AMG without touching the hardware, this RennTech Intermediate ECU Upgrade is the cleanest way to get it. RennTech revises the factory calibration for the 5.5L M157 twin-turbo V8, raising power and torque through the full...

RennTech built its name in Florida tuning high-performance engines, and this Intermediate ECU Upgrade for the 2016-2023 C 63 AMG / C 63 S AMG Sedan is the result of in-house dyno development on the 4.0L M177 twin-turbo V8. Timing, throttle, air-fuel and boost...

The 2017-2023 C 63 AMG / C 63 S Coupe responds well to software, and RennTech has been writing engine calibrations since electronic engine management arrived in the mid-1980s. This Intermediate ECU Upgrade rewrites ignition timing, throttle mapping, fueling and boost control on the...

For owners of the 2018-present Porsche Cayenne/Panamera/GTS/Turbo who want real gains but a fully reversible install, RennTech's Power Module is the answer. The CNC-machined module connects through a vehicle-specific harness and refines boost, ignition and fueling for the 4.0L EA825 V8.Features Plug-in module with...

The RennTech Power Module (RPM) is a plug-in tune for the 2022-2023 Land Rover Range Rover & Range Rover Sport. It sits between the factory sensors and the engine computer and adjusts boost, timing, throttle and fueling on the 4.4L twin-turbo, so it adds...

The RennTech Power Module (RPM) is a plug-in tune for the Audi RS6/RS7/RSQ8. It sits between the factory sensors and the engine computer and adjusts boost, timing, throttle and fueling on the 4.0L EA825 twin-turbo V8, so it adds power without reflashing the ECU.Features...

For owners of the Jaguar F-Pace/F-Type/XJ/XKR-S who want real gains but a fully reversible install, RennTech's Power Module is the answer. The CNC-machined module connects through a vehicle-specific harness and refines boost, ignition and fueling for the 5.0L AJ133 supercharged V8.Features Plug-in module with...

The RennTech Power Module (RPM) is a plug-in tune for the Lamborghini Urus. It sits between the factory sensors and the engine computer and adjusts boost, timing, throttle and fueling on the 4.0L EA825 V8, so it adds power without reflashing the ECU.Features Plug-in...

For owners of the Land Rover Range Rover and Range Rover Sport who want real gains but a fully reversible install, RennTech's Power Module is the answer. The CNC-machined module connects through a vehicle-specific harness and refines boost, ignition and fueling for the 5.0L...

For owners of the Maserati Levante, Ghibli and Quattroporte who want real gains but a fully reversible install, RennTech's Power Module is the answer. The CNC-machined module connects through a vehicle-specific harness and refines boost, ignition and fueling for the 3.0L turbo V6.Features Plug-in...

The RennTech R1 Performance Package for the 2002-2013 Maybach combines parts that RennTech developed and tested together, so you get a matched setup rather than a pile of separate upgrades. It includes ECU Upgrade and TCU Upgrade. RennTech rates the Maybach at up to...

The RennTech R1 Performance Package for the 2003-2023 Bentley Continental GT combines parts that RennTech developed and tested together, so you get a matched setup rather than a pile of separate upgrades. It includes RENNtech ECU Upgrade and RENNtech Stainless Steel Sport Muffler.Features Parts...

The RennTech R1 Performance Package for the 2005-2010 SLR McLaren combines parts that RennTech developed and tested together, so you get a matched setup rather than a pile of separate upgrades. It includes ECU Upgrade, Upgraded pulley and Dual Intercooler Kit. RennTech rates the...

The RennTech R1 Performance Package for the 2005-2010 SLR McLaren 722 combines parts that RennTech developed and tested together, so you get a matched setup rather than a pile of separate upgrades. It includes ECU Upgrade, Upgraded pulley and Dual Intercooler Kit. RennTech rates...

The RennTech R1 Performance Package for the 2007-2011 SL 63 AMG combines parts that RennTech developed and tested together, so you get a matched setup rather than a pile of separate upgrades. It includes ECU Upgrade and Carbon Fiber Air Box. RennTech rates the...

RennTech packages its most popular upgrades for the 2007-2011 SL 65 AMG into one matched R1 Performance Package. Each part is calibrated to work with the others on this engine. It includes ECU Upgrade and High Efficiency Intercooler Pump. RennTech rates the SL 65...

RennTech packages its most popular upgrades for the 2007-2018 Bentley Continental GT Speed into one matched R1 Performance Package. Each part is calibrated to work with the others on this engine. It includes RENNtech ECU Upgrade and RENNtech Stainless Steel Sport Muffler.Watch it explainedFeatures...

RennTech packages its most popular upgrades for the 2009-2011 Bentley Continental Supersports into one matched R1 Performance Package. Each part is calibrated to work with the others on this engine. It includes RENNtech ECU Upgrade and RENNtech Stainless Steel Sport Muffler. RennTech rates the...

The RennTech R2 Performance Package for the 2007-2011 SL 63 AMG combines parts that RennTech developed and tested together, so you get a matched setup rather than a pile of separate upgrades. It includes ECU Upgrade, Carbon Fiber Air Box, Upgraded Throttle Body and...

The RennTech R3 Performance Package for the 2008-2014 C 63 AMG combines parts that RennTech developed and tested together, so you get a matched setup rather than a pile of separate upgrades. It includes ECU Upgrade, Carbon Fiber Air Box, Upgraded Throttle Body, Long...