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RB headers/presilencer dimensions?

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Old 09-25-01, 01:11 AM
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RB headers/presilencer dimensions?

Anyone know what size the opening from the headers is? Thats the same as the exit for the presilencer right? Thanks in advance.
Old 09-25-01, 10:11 PM
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Anyone?hmmm..?
Old 09-26-01, 01:41 AM
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^^ ^^
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Old 09-26-01, 12:28 PM
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Now I know many of you guys have the RB headers &/or presilencer...what size are the piping?
Old 09-26-01, 02:39 PM
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www.racingbeat.com

86-91

exhaust components.
Old 09-26-01, 03:26 PM
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I looked there, it does not say the dimensions, like if I was to attach a pipe to the header what diameter? Someone has to know. Thanks.
Old 09-26-01, 04:04 PM
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Originally posted by Ryde _Or_Die
I looked there, it does not say the dimensions, like if I was to attach a pipe to the header what diameter? Someone has to know. Thanks.
Use 2.5" pipe and the 2.5" presilencer flanges they sell.
Old 09-26-01, 04:32 PM
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Thanks alot man.
Old 09-26-01, 05:23 PM
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Originally posted by Ryde _Or_Die
Thanks alot man.
No problem. Are you trying to make a pipe to go from the header to the cat back? If so it's going to be VERY loud.
Old 09-26-01, 06:37 PM
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Talking

I am going to make a pipe too, but it will be out of a reasonator pipe so it will help to reduce the noise some, and I still have the stock cat-back so that will help to reduce the sound as well.
Old 09-27-01, 12:47 AM
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How are you planning on making that? I want to get the headers but don't have the $$$ to get the presilencer at the same time so I want to just use a straight pipe for now. How much does the presilencer help anyways? Thanks.
Old 09-27-01, 11:22 AM
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Originally posted by Ryde _Or_Die
How are you planning on making that? I want to get the headers but don't have the $$$ to get the presilencer at the same time so I want to just use a straight pipe for now. How much does the presilencer help anyways? Thanks.
The presilencer really helps to keep the noise levels down. I've heard a car with headers and a straight pipe and it was MUCH louder.
Old 09-27-01, 05:59 PM
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Hmmm....(thinkin)...have any of you guys heard a 7 with holes in the mufflers? Mine is soooo damn loud I can't even begin to imagine it louder, lol. Even with the headers. Maybe a different sound, but not neccesarily louder. I just can't c it. I set off car alarms, lol. No kiddin.
Old 09-27-01, 11:08 PM
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Originally posted by Ryde _Or_Die
Hmmm....(thinkin)...have any of you guys heard a 7 with holes in the mufflers? Mine is soooo damn loud I can't even begin to imagine it louder, lol. Even with the headers. Maybe a different sound, but not neccesarily louder. I just can't c it. I set off car alarms, lol. No kiddin.
I have an exhaust leak at my downpipe and an open air wastegate. THat can get quite loud.
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