Likewise mate! Hope the resonators today do the trick!RS6BRIT wrote:No worries Faisal, it was good to meet you mate, and thanks for the link to the resonator pipe thread. That makes for some very interesting reading and maybe should be posted up on here for other to read. I'm having my 2 new boxes fitted tomorrow so fingers crossed that it will quieten down enough to live with ! Ifeel it's quieter but still drones then I might go to Mr exhaust on Saturday and see if they can fab up a resonator pipeople to kill the drone.
Doc, what Faisal is having is IMO the way to go. You'll still have your flaps for the quiet option, and you'll see power gains from the piggies and the cross pipe. I'd be surprised if you would get much more out of the 2.75 pipes with the exception of maybe a migraine! !
This thread I came across, for the benefit of others, is around the idea of quarter resonator pipes to cancel drone. The idea being that you add a capped pipe to your system, with a length of 1/4 of the wavelength giving you resonance/drone. The soundwave will travel down the resonator pipe and back into the main system half a wavelength out of phase, causing destructive interference and, in theory, cancelling out some of the drone.
http://www.performancetrucks.net/forums ... ne-489463/