RENNtech

RennTech's downpipe for the 2014-2017 S 63 AMG Sedan replaces the restrictive factory part with a free-flowing design and a 200-cell sport catalytic converter, cutting back pressure behind the turbo for quicker spool and more power. That is a gain of 10 hp and...

RennTech's downpipe for the 2014-2020 CLA 45 AMG replaces the restrictive factory part with a free-flowing design and a 200-cell sport catalytic converter, cutting back pressure behind the turbo for quicker spool and more power. That is a gain of 10 hp and 10...

RennTech's downpipe for the 2015-2023 C 63 / C 63 S AMG replaces the restrictive factory part with a free-flowing design and a 200-cell sport catalytic converter, cutting back pressure behind the turbo for quicker spool and more power.Key details Made to bolt to...

RennTech's downpipe for the 2016-2018 G 550 replaces the restrictive factory part with a free-flowing design and a 200-cell sport catalytic converter, cutting back pressure behind the turbo for quicker spool and more power.Key details Made to match the factory G 550 4x4² exhaust...

RennTech's downpipe for the 2016-2019 GLE 63 AMG Coupe replaces the restrictive factory part with a free-flowing design and a 200-cell sport catalytic converter, cutting back pressure behind the turbo for quicker spool and more power. That is a gain of 10 hp and...

RennTech's downpipe for the 2016-2021 AMG GT / GT S replaces the restrictive factory part with a free-flowing design and a 200-cell sport catalytic converter, cutting back pressure behind the turbo for quicker spool and more power.Key details Built to line up with the...

RennTech's downpipe for the 2017-2026 E 63 AMG replaces the restrictive factory part with a free-flowing design and a 200-cell sport catalytic converter, cutting back pressure behind the turbo for quicker spool and more power.Key details Made to fit the factory exhaust on the...

RennTech's downpipe for the 2018-2021 S 63 AMG Sedan replaces the restrictive factory part with a free-flowing design and a 200-cell sport catalytic converter, cutting back pressure behind the turbo for quicker spool and more power.Key details Bolts to the factory S 63 exhaust,...

RennTech's downpipe for the 2018-2026 Aston Martin Vantage and DB11 V8 replaces the restrictive factory part with a free-flowing design and a 200-cell sport catalytic converter, cutting back pressure behind the turbo for quicker spool and more power.Key details Built to fit the factory...

RennTech's downpipe for the 2019-2026 G 63 AMG replaces the restrictive factory part with a free-flowing design and a 200-cell sport catalytic converter, cutting back pressure behind the turbo for quicker spool and more power.Key details Made for the factory G 63 exhaust on...

RennTech's downpipe for the 2019-2026 G 550 replaces the restrictive factory part with a free-flowing design and a 200-cell sport catalytic converter, cutting back pressure behind the turbo for quicker spool and more power.Key details Made to match the factory exhaust on the 2019+...

RennTech's downpipe for the 2021 AMG GT Black Series replaces the restrictive factory part with a free-flowing design and a 200-cell sport catalytic converter, cutting back pressure behind the turbo for quicker spool and more power.Key details Made to bolt to the factory AMG...

RennTech's downpipe for the 2025-2026 CLE 53 AMG replaces the restrictive factory part with a free-flowing design and a 200-cell sport catalytic converter, cutting back pressure behind the turbo for quicker spool and more power.Key details Built to mate with the factory 53 AMG...

RennTech's ECO OFF Options Module for the 2020-2026 GLE / GLS (167 platform) unlocks or adjusts a factory function through a plug-in module, with no permanent change to the car.Key details This ROM switches off ECO start/stop, and the setting stays put, so there's...

RennTech built its name in Florida tuning high-performance engines, and this ECU Hand Held Tuner for the 2002-2004 C 32 AMG is the result of in-house dyno development on the 3.2L M112 supercharged V6. Timing, throttle, air-fuel and boost tables are revised as one...

RennTech built its name in Florida tuning high-performance engines, and this ECU Hand Held Tuner for the 2002-2004 G 55 AMG is the result of in-house dyno development on the 5.5L M113 V8. Timing, throttle, air-fuel and boost tables are revised as one calibration,...

RennTech built its name in Florida tuning high-performance engines, and this ECU Hand Held Tuner for the 2002-2004 SLK 32 AMG is the result of in-house dyno development on the 3.2L M112 supercharged V6. Timing, throttle, air-fuel and boost tables are revised as one...

RennTech built its name in Florida tuning high-performance engines, and this ECU Hand Held Tuner for the 2007-2012 GL 450 is the result of in-house dyno development on the 4.7L M273 V8. Timing, throttle, air-fuel and boost tables are revised as one calibration, so...

If you want more from the 2012-2013 C 63 AMG Black Series without touching the hardware, this RennTech ECU Hand Held Tuner is the cleanest way to get it. RennTech revises the factory calibration for the 6.2L M156 V8, raising power and torque through...

If you want more from the 1990-2018 G 320 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...

If you want more from the 1990-2018 G 63 AMG BiTurbo without touching the hardware, this RennTech 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 1990-2018 G 65 AMG 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 6.0L M279 twin-turbo V12, so the...

RennTech built its name in Florida tuning high-performance engines, and this ECU Upgrade for the 1996-2002 E 320 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 harder...

If you want more from the 1996-2002 E 430 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...

RennTech built its name in Florida tuning high-performance engines, and this ECU Upgrade for the 1996-2003 E 55 AMG 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...

If you want more from the 1997-2003 CLK 320 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...

If you want more from the 1997-2003 CLK 430 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...

RennTech built its name in Florida tuning high-performance engines, and this ECU Upgrade for the 1999-2002 S 600 is the result of in-house dyno development on the 5.8L M137 V12. 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 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 2001-2007 C 350 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...