Buy direct from CustomG35 and receive top quality and performance at an awesome price.  We know that the main concern for G35 owners looking to modify their exhaust is performance and sound.  First, we make sure that none of our exhaust systems will make your G35 sound like a honda civic "fart cannon".  We only sell systems that will produce a smooth, deep tone.  Second, we have estimated the gains on this system to produce between 22 and 28 WHP!