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exhaust question... 94 turbo

857 Views 6 Replies 6 Participants Last post by  Jason R
I have a 94 IDI turbo,I have a full 3" exhaust with no muffler,it sounds good until higher rpm then it starts to sound like a glass pack,I hate that sound,if I use a 4" complete from downpipe back will that go away? It seems that with a 3" DP and the rest 3" it may still be restricted,any advice?
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I have 3.5" exhaust from the turbo back with no muffler, the crackling at high RPM is deep and sounds good, not too high pitched like I have heard on some other trucks.


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I have a take off 2000 PSD exhaust here,it is 3.5" I may remove the muffler and try it before I buy a 4" exhaust.
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