Engine Tuning

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...

If you want more from the 2009-2011 Bentley Continental Supersport without touching the hardware, this RennTech ECU Upgrade is the cleanest way to get it. RennTech revises the factory calibration for this engine, raising power and torque through the full band and keeping the...

If you want more from the 2021-2023 Aston Martin DBX V8 without touching the hardware, this RennTech ECU+ Upgrade is the cleanest way to get it. RennTech revises the factory calibration for the 4.0L M177 twin-turbo V8, raising power and torque through the full...

RennTech built its name in Florida tuning high-performance engines, and this ECU+ Upgrade for the 2018-2023 Aston Martin DB11 V8 is the result of in-house dyno development on the 4.0L M177 twin-turbo V8. Timing, throttle, air-fuel and boost tables are revised as one calibration,...

If you want more from the 2013-2023 Rolls-Royce Dawn without touching the hardware, this RennTech ECU Upgrade is the cleanest way to get it. RennTech revises the factory calibration for this engine, raising power and torque through the full band and keeping the smooth...

The 2013-2023 Rolls-Royce Wraith responds well to software, and RennTech has been writing engine calibrations since electronic engine management arrived in the mid-1980s. This ECU Upgrade rewrites ignition timing, throttle mapping, fueling and boost control, so the extra power arrives across the whole rev...

RennTech built its name in Florida tuning high-performance engines, and this ECU Upgrade for the 2007-2010 Porsche Cayenne Turbo S is the result of in-house dyno development on this engine. Timing, throttle, air-fuel and boost tables are revised as one calibration, so the car...

The 2007-2010 Porsche Cayenne Turbo responds well to software, and RennTech has been writing engine calibrations since electronic engine management arrived in the mid-1980s. This ECU Upgrade rewrites ignition timing, throttle mapping, fueling and boost control, so the extra power arrives across the whole...

RennTech built its name in Florida tuning high-performance engines, and this ECU Upgrade for the 2010-2012 Porsche 997.2 Turbo S is the result of in-house dyno development on the 3.8L turbo. Timing, throttle, air-fuel and boost tables are revised as one calibration, so the...

RennTech built its name in Florida tuning high-performance engines, and this ECU Upgrade for the 2009-2012 Porsche 997.2 Turbo is the result of in-house dyno development on the 3.8L turbo. Timing, throttle, air-fuel and boost tables are revised as one calibration, so the car...

RennTech built its name in Florida tuning high-performance engines, and this ECU Upgrade for the 2010-2011 Porsche 997 GT3 RS 3.8L is the result of in-house dyno development on the 3.8L. Timing, throttle, air-fuel and boost tables are revised as one calibration, so the...

The 2009-2011 Porsche 997 GT3 3.8L responds well to software, and RennTech has been writing engine calibrations since electronic engine management arrived in the mid-1980s. This ECU Upgrade rewrites ignition timing, throttle mapping, fueling and boost control on the 3.8L, so the extra power...

RennTech built its name in Florida tuning high-performance engines, and this ECU Upgrade for the 2009-2012 Porsche 997 Carrera S is the result of in-house dyno development on the 3.8L. Timing, throttle, air-fuel and boost tables are revised as one calibration, so the car...

RennTech built its name in Florida tuning high-performance engines, and this ECU Upgrade for the 2009-2012 Porsche 997 Carrera is the result of in-house dyno development on the 3.6L. Timing, throttle, air-fuel and boost tables are revised as one calibration, so the car pulls...

RennTech built its name in Florida tuning high-performance engines, and this ECU Upgrade for the 2007-2009 Porsche 997 Turbo is the result of in-house dyno development on this engine. Timing, throttle, air-fuel and boost tables are revised as one calibration, so the car pulls...

The 2007-2009 Porsche 997 GT3 / GT3 RS responds well to software, and RennTech has been writing engine calibrations since electronic engine management arrived in the mid-1980s. This ECU Upgrade rewrites ignition timing, throttle mapping, fueling and boost control, so the extra power arrives...

The 2007-2009 Porsche 997 GT2 responds well to software, and RennTech has been writing engine calibrations since electronic engine management arrived in the mid-1980s. This ECU Upgrade rewrites ignition timing, throttle mapping, fueling and boost control, so the extra power arrives across the whole...

If you want more from the 2002-2005 Porsche 996 Turbo X50 / GT2 without touching the hardware, this RennTech ECU Upgrade is the cleanest way to get it. RennTech revises the factory calibration for this engine, raising power and torque through the full band...

RennTech built its name in Florida tuning high-performance engines, and this ECU Upgrade for the 2001-2005 Porsche 996 Turbo is the result of in-house dyno development on this engine. Timing, throttle, air-fuel and boost tables are revised as one calibration, so the car pulls...

The 2014-2017 McLaren 650S responds well to software, and RennTech has been writing engine calibrations since electronic engine management arrived in the mid-1980s. This ECU Upgrade rewrites ignition timing, throttle mapping, fueling and boost control, so the extra power arrives across the whole rev...

The 2011-2014 McLaren MP4-12C responds well to software, and RennTech has been writing engine calibrations since electronic engine management arrived in the mid-1980s. This ECU Upgrade rewrites ignition timing, throttle mapping, fueling and boost control, so the extra power arrives across the whole rev...

On newer AMG V8s the CPC powertrain controller caps torque and top speed no matter what the engine tune asks for. The RennTech CPC upgrade for the 2021-2023 GLS 580 BiTurbo raises those limits so a RennTech ECU tune can deliver everything it was...

On newer AMG V8s the CPC powertrain controller caps torque and top speed no matter what the engine tune asks for. The RennTech CPC upgrade for the 2021-2023 GLS 63 AMG BiTurbo raises those limits so a RennTech ECU tune can deliver everything it...

On newer AMG V8s the CPC powertrain controller caps torque and top speed no matter what the engine tune asks for. The RennTech CPC upgrade for the 2019-2023 G 550 BiTurbo raises those limits so a RennTech ECU tune can deliver everything it was...

RennTech's carbon fiber airbox for the 2019-2023 G 63 AMG BiTurbo lets the engine draw a larger volume of intake air, which RennTech measures as added power and sharper throttle response. It also looks the part every time the hood is open.Features Full carbon...

On newer AMG V8s the CPC powertrain controller caps torque and top speed no matter what the engine tune asks for. The RennTech CPC upgrade for the 2019-2023 G 63 AMG BiTurbo raises those limits so a RennTech ECU tune can deliver everything it...

On newer AMG V8s the CPC powertrain controller caps torque and top speed no matter what the engine tune asks for. The RennTech CPC upgrade for the 2020-2023 C 63 AMG / C 63 S AMG raises those limits so a RennTech ECU tune...

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 RennTech Power Module (RPM) is a plug-in tune for the 2019-2023 CLA 45 AMG. It sits between the factory sensors and the engine computer and adjusts boost, timing, throttle and fueling on the 2.0L M139, so it adds power without reflashing the ECU....

The RennTech Power Module (RPM) is a plug-in tune for the 2019-2021 A 45 AMG. It sits between the factory sensors and the engine computer and adjusts boost, timing, throttle and fueling on the 2.0L M139, so it adds power without reflashing the ECU....