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exhaust question... 94 turbo

855 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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the larger the exhaust the deeper the note will be so it may take away some of that glass pack rapity
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