RENNtech

The 1990-present G 550 has a great exhaust note that the factory valve logic keeps muted most of the time. RennTech's Exhaust Valve Module overrides that logic by remote, so the valves stay fully open whenever you want, regardless of speed, rpm or drive...

The 1994-1999 Ferrari F355 has a great exhaust note that the factory valve logic keeps muted most of the time. RennTech's Exhaust Valve Module overrides that logic by remote, so the valves stay fully open whenever you want, regardless of speed, rpm or drive...

From the factory, the exhaust valves on the 1996-2006 Ferrari 550 / 575 only open fully at certain speeds and rpm, even with the sport exhaust selected. The RennTech Exhaust Valve Module (EVM) hands that decision to you: one button on the remote opens...

From the factory, the exhaust valves on the 1999-2005 Ferrari F360 Modena / Spider / Challenge only open fully at certain speeds and rpm, even with the sport exhaust selected. The RennTech Exhaust Valve Module (EVM) hands that decision to you: one button on...

From the factory, the exhaust valves on the 2001-2010 Lamborghini Murcielago only open fully at certain speeds and rpm, even with the sport exhaust selected. The RennTech Exhaust Valve Module (EVM) hands that decision to you: one button on the remote opens the valves...

Cruising in the 2003-2013 Lamborghini Gallardo, the factory exhaust flaps never fully open. The RennTech EVM changes that with a simple remote: press button 1 for fully open valves at any speed, press button 2 to go back to the factory settings.Features Opens the...

Cruising in the 2004-2009 Ferrari F430 Coupe / Spider, the factory exhaust flaps never fully open. The RennTech EVM changes that with a simple remote: press button 1 for fully open valves at any speed, press button 2 to go back to the factory...

From the factory, the exhaust valves on the 2004-2011 Ferrari 612 only open fully at certain speeds and rpm, even with the sport exhaust selected. The RennTech Exhaust Valve Module (EVM) hands that decision to you: one button on the remote opens the valves...

From the factory, the exhaust valves on the 2006-2008 Audi RS4 only open fully at certain speeds and rpm, even with the sport exhaust selected. The RennTech Exhaust Valve Module (EVM) hands that decision to you: one button on the remote opens the valves...

The 2006-2010 Audi S8 has a great exhaust note that the factory valve logic keeps muted most of the time. RennTech's Exhaust Valve Module overrides that logic by remote, so the valves stay fully open whenever you want, regardless of speed, rpm or drive...

The 2006-2011 ML 350 has a great exhaust note that the factory valve logic keeps muted most of the time. RennTech's Exhaust Valve Module overrides that logic by remote, so the valves stay fully open whenever you want, regardless of speed, rpm or drive...

From the factory, the exhaust valves on the 2006-2012 Ferrari 599 only open fully at certain speeds and rpm, even with the sport exhaust selected. The RennTech Exhaust Valve Module (EVM) hands that decision to you: one button on the remote opens the valves...

Cruising in the 2006-2013 Audi S3 / RS3, the factory exhaust flaps never fully open. The RennTech EVM changes that with a simple remote: press button 1 for fully open valves at any speed, press button 2 to go back to the factory settings.Features...

The 2006-2024 Audi R8 has a great exhaust note that the factory valve logic keeps muted most of the time. RennTech's Exhaust Valve Module overrides that logic by remote, so the valves stay fully open whenever you want, regardless of speed, rpm or drive...

The 2007-2008 ML 320 CDI has a great exhaust note that the factory valve logic keeps muted most of the time. RennTech's Exhaust Valve Module overrides that logic by remote, so the valves stay fully open whenever you want, regardless of speed, rpm or...

The 2007-2010 Porsche Cayenne GTS has a great exhaust note that the factory valve logic keeps muted most of the time. RennTech's Exhaust Valve Module overrides that logic by remote, so the valves stay fully open whenever you want, regardless of speed, rpm or...

From the factory, the exhaust valves on the 2007-2019 Maserati GranTurismo only open fully at certain speeds and rpm, even with the sport exhaust selected. The RennTech Exhaust Valve Module (EVM) hands that decision to you: one button on the remote opens the valves...

Cruising in the 2008-2014 Audi TT S / RS, the factory exhaust flaps never fully open. The RennTech EVM changes that with a simple remote: press button 1 for fully open valves at any speed, press button 2 to go back to the factory...

From the factory, the exhaust valves on the 2008-2014 Ferrari California only open fully at certain speeds and rpm, even with the sport exhaust selected. The RennTech Exhaust Valve Module (EVM) hands that decision to you: one button on the remote opens the valves...

The 2008-2016 Audi RS4 / RS5 has a great exhaust note that the factory valve logic keeps muted most of the time. RennTech's Exhaust Valve Module overrides that logic by remote, so the valves stay fully open whenever you want, regardless of speed, rpm...

From the factory, the exhaust valves on the 2009-2015 Ferrari 458 Italia / Spider only open fully at certain speeds and rpm, even with the sport exhaust selected. The RennTech Exhaust Valve Module (EVM) hands that decision to you: one button on the remote...

Cruising in the 2009-2016 Porsche 970 Panamera Turbo, the factory exhaust flaps never fully open. The RennTech EVM changes that with a simple remote: press button 1 for fully open valves at any speed, press button 2 to go back to the factory settings.Features...

From the factory, the exhaust valves on the 2010-2012 Porsche 997 Carrera GTS only open fully at certain speeds and rpm, even with the sport exhaust selected. The RennTech Exhaust Valve Module (EVM) hands that decision to you: one button on the remote opens...

From the factory, the exhaust valves on the 2011-2015 SLK 55 AMG only open fully at certain speeds and rpm, even with the sport exhaust selected. The RennTech Exhaust Valve Module (EVM) hands that decision to you: one button on the remote opens the...

The 2011-2016 Ferrari FF has a great exhaust note that the factory valve logic keeps muted most of the time. RennTech's Exhaust Valve Module overrides that logic by remote, so the valves stay fully open whenever you want, regardless of speed, rpm or drive...

Cruising in the 2011-2018 Porsche Cayenne, the factory exhaust flaps never fully open. The RennTech EVM changes that with a simple remote: press button 1 for fully open valves at any speed, press button 2 to go back to the factory settings.Features Opens the...

From the factory, the exhaust valves on the 2011-2024 Lamborghini Aventador only open fully at certain speeds and rpm, even with the sport exhaust selected. The RennTech Exhaust Valve Module (EVM) hands that decision to you: one button on the remote opens the valves...

From the factory, the exhaust valves on the 2012-2016 Porsche 981 Boxster S only open fully at certain speeds and rpm, even with the sport exhaust selected. The RennTech Exhaust Valve Module (EVM) hands that decision to you: one button on the remote opens...

The 2012-2017 Ferrari F12 has a great exhaust note that the factory valve logic keeps muted most of the time. RennTech's Exhaust Valve Module overrides that logic by remote, so the valves stay fully open whenever you want, regardless of speed, rpm or drive...

The 2012-2018 Audi S6 / S7 has a great exhaust note that the factory valve logic keeps muted most of the time. RennTech's Exhaust Valve Module overrides that logic by remote, so the valves stay fully open whenever you want, regardless of speed, rpm...