Mines always making some kind of noises, but mostly from exhaust. I have all 4 cats gutted and 3 Chamber Flows, doesn't sound is good is my 12' Second SN95GT, But it will...
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89 LX 5.O (T-5, 5 Speed)
Basically Stock (Just got a couple of days ago)
FlowTech 1 5/8 Unequal Headers
3 Chamber Flows
4 Stock Cataylic Converters Gutted