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Q4X4

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    4

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Previous Fields

  • Your Pathfinder Info
    1997 Infinit QX4 - OME Heavy Duty Springs - Magnaflow Exhaust - Popcharger Style Intake - MTR Tires
  • Mechanical Skill Level
    Wrench And Socket Set Mechanic
  • Your Age
    36-40
  • What do you consider yourself?
    Weekend Warrior
  • Year
    1998

Q4X4's Achievements

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  1. Q4X4
    Yeah, the VQ35 is much different than the VG33. I have both engines. The VQ35 in a G35 coupe and the VG33 in the QX4. Based on input from various boards, the removal of the resonator caused a drone/rasp with stock and after market exhausts. I think you may be right though. The resonator may eliminate the rasp; however, the drone may be from the muffler itself. I may put the resonator back on if I replace the cats. I am getting sporadic CEL (I think P420) indicating the cats may be operating inefficiently. I almost have 150,000 miles..
  2. Q4X4
    The resonator is the hot dog shaped pipe that is located after the cats and before the muffler. What I meant about replacing the resonator, is to make sure it is installed with the new exhaust. I made the mistake of installing the new exhaust without the resonator and now I have a drone/rasp at ~3,000 rpm. Need some time to put the resonator back on. Hope this helps!
  3. Q4X4
    I removed the resonators from my exhaust and there is droning/rasp at ~3,000 rpms. I recommend to replace the resonators, not just remove them. $30 for each resonator including labor sounds fair. This was on a VG33 engine and the exhaust was replaced from the cats with 2.25-inch piping and a Magnaflow muffler.
  4. Q4X4
    I have a 97 QX4 and replaced the exhaust with custom piping and a Magna Flow muffler. As I recall, the piping was replaced after the cats with 2.25-inch piping and an 18-inch Magna Flow muffler. Make sure the resonator is replaced.
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