So I have a Magnaflow Catback and I noticed that int he 2-3 rpm range while accelerating I will hear a rattling sound coming from behind the car, can't find what rattles though lol, anyone have the same experience?
Could be a number of things... Make sure the spoiler isn't loose. Tap/shake everything in the rear of the car and see what rattles (taillights, interiors plastics, etc.,). My license plate would vibrate like crazy at the 2500-3500 rpm range before adding rubber washers. Hope this helps.
Check everything near the end of your exhaust. IE: heat shields, bolts, retaining rings, anything. Stuff back there is always rusting up and breaking loose.
sorry for the non-clarity, got it from a shop owner who had made it for his own NA supra haha 2.5 inch piping and magnaflow dual tip muffler and resonator, I took off the plastic middle piece in back and I think it was a plastic plate that a wire is supposed to be connected to so some tape fixed it right up lol
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