The stock pipe is a excellent pipe, or most any pipe with the same configuration, the problem with the Rear can dual stinger pipes are that they do not provide enough back pressure for the fuel tank to pressurize causing the engine to run lean because it has to pull the fuel into the engine, a 2...
RD pipes are not worth the trouble of walking accross the room to pick one up off of the floor,Problems include: not enough pressure to the fuel tank to push the fuel to the emgine, lack of power, and the half tank lean out engine blowing monster, these pipes are for show only and are not tuned...