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Best sounding exhaust for the 1980 911sc 3.0L

 
Old 10-14-2017, 01:07 AM
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Jlnipp
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Default Best sounding exhaust for the 1980 911sc 3.0L

I would like a nice throaty sound, without too much noise under normal driving for my 1980 911sc 3.0L Wide open it can be quite loud and fun.
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Old 10-14-2017, 12:04 PM
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borla
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Old 10-14-2017, 01:22 PM
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Speedster911
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Look at M&K, Brian can add baffles if you feel it is loud. I have 2 in / 2 out.
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Old 10-14-2017, 11:25 PM
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Reiver
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Do you care about the cars performance or does the sound count more?
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Old 10-15-2017, 04:45 AM
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Steve Weiner-Rennsport Systems
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Originally Posted by Reiver View Post
Do you care about the cars performance or does the sound count more?
Excellent question!!!

Nothing beats Dansk for best power without annoying drone.
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Old 10-19-2017, 03:50 AM
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Old 10-19-2017, 11:50 AM
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SSI and sport dansk with 964 grind cam 😬
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Old 10-19-2017, 03:57 PM
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...
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Old 10-19-2017, 05:40 PM
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I have SSI's with Dansk on my '74. Great sound and noticeable performance.
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Old 10-19-2017, 09:35 PM
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^as do I
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Old 10-20-2017, 08:58 AM
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Nothing beats Dansk for best power without annoying drone.
Steve is spot on of his assessment of the Dansk exhaust system on an air-cooled 911.

I have the stainless steel pre-muffler (replaces the cat) and SS sport muffler with the single 84 mm outlet. Great performance, great sound and lower oil temps...a Trifecta!
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Old 10-20-2017, 01:01 PM
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Originally Posted by BER View Post
Steve is spot on of his assessment of the Dansk exhaust system on an air-cooled 911.

I have the stainless steel pre-muffler (replaces the cat) and SS sport muffler with the single 84 mm outlet. Great performance, great sound and lower oil temps...a Trifecta!
I have a 78'SC ... so NO CAT COVERT I'm told came with this early model. If so, do I need SSI? Would that do anything to having good heat? I def need the heat. Also .. does SSI help with sound too?

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Old 10-20-2017, 11:28 PM
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iFox,

I think you are correct...no cat on the '78 911SC. SSI's will improve both performance and sound on the SC's. You will not lose heat. You will need a new muffler with two inlet connections. You will not be disappointed with the improved performance.

I had SSI's on my '77 911S ROW and loved them. They connected to a Dansk 2-in, 1-out sport muffler. Really made a positive improvement in performance and enjoyment.
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Old 10-21-2017, 12:36 PM
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Originally Posted by BER View Post
iFox,

I think you are correct...no cat on the '78 911SC. SSI's will improve both performance and sound on the SC's. You will not lose heat. You will need a new muffler with two inlet connections. You will not be disappointed with the improved performance.

I had SSI's on my '77 911S ROW and loved them. They connected to a Dansk 2-in, 1-out sport muffler. Really made a positive improvement in performance and enjoyment.
But what if I just go with the muffler? What’s the real advantage to ssi? Actually,what is SSI .. I know it’s a maker , but what is it exactly?? Will sound improve if I just get a Dansk muffler?

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Old 10-21-2017, 12:46 PM
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SSI just means a stainless steel heat exchanger with dual outlets, and 1.5" primary diameter.
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