Hate the drone | Jeep Wrangler Forums (JL / JLU) - Rubicon, 4xe, 392, Sahara, Sport - JLwranglerforums.com
![LIVERNOIS MOTORSPORTS 2010-2015 CHEVROLET CAMARO SS 6.2L CAT BACK EXHAUST | LPP14951 | Livernois Motorsports LIVERNOIS MOTORSPORTS 2010-2015 CHEVROLET CAMARO SS 6.2L CAT BACK EXHAUST | LPP14951 | Livernois Motorsports](https://www.livernoismotorsports.com/cache/images_ePIM_original_ZZ2_LPP14951_w760_h500_q75.jpg)
LIVERNOIS MOTORSPORTS 2010-2015 CHEVROLET CAMARO SS 6.2L CAT BACK EXHAUST | LPP14951 | Livernois Motorsports
![Scott Helme on Twitter: "The new Power Valve system has a DDE (Dynamic Drone Eliminator) built in to control the bass/hum/drone inside the car. Loud exahust but without the annoying drone in Scott Helme on Twitter: "The new Power Valve system has a DDE (Dynamic Drone Eliminator) built in to control the bass/hum/drone inside the car. Loud exahust but without the annoying drone in](https://pbs.twimg.com/media/D3fMCd0XoAA8qMC.jpg:large)
Scott Helme on Twitter: "The new Power Valve system has a DDE (Dynamic Drone Eliminator) built in to control the bass/hum/drone inside the car. Loud exahust but without the annoying drone in
![The cure for drone-- 1/4 resonance pipes aka J-pipes aka Helmholtz tubes - LS1TECH - Camaro and Firebird Forum Discussion The cure for drone-- 1/4 resonance pipes aka J-pipes aka Helmholtz tubes - LS1TECH - Camaro and Firebird Forum Discussion](http://www.cadillacforums.com/forums/attachments/2009-cadillac-cts-v-performance-mods/96693d1346186459-muffler-delete-helmholtz-pipes-v-exhaust-installed-c_sm.jpg)