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Join Date: Aug 2010
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Recommend me a Muffler

Anyone advise me on a muffler to match the Headers in the pic... it's for my 3.0 SC Twin Spark Race Car... only stipulation is it must be 105db or under, measured from 1 meter away at a 45 degree angle and around 4500rpm... any options out there?


Old 04-12-2011, 12:46 PM
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I think the Muffler in the pic is a Dansk for an early 911, not sure if this would work well in conjunction with my high HP motor let alone meet noise requirements
Old 04-12-2011, 12:50 PM
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Just cut off that big thing in the back.
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'76 911s Ice Green Metallic bone stock
Old 04-12-2011, 01:04 PM
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A pair of Supertrapps would be quick & easy
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Old 04-12-2011, 01:06 PM
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How restrictive are the Supertrapps?... do they give good performance?
Old 04-12-2011, 01:12 PM
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Just spoke with my tuner, he said they work well for noise etc, but they will strangle the motors performance
Old 04-12-2011, 01:17 PM
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so the muffler in the pic is not usable?
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1978 911 SC Non-Sunroof Coupe, two tone Primer Black and SWEPCO Blue, Currently serving as a Track Whore
1981 911 SC Sunroof Coupe, Pacific Blue Project, Future Daily Driver
Old 04-12-2011, 02:09 PM
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I was sold the headers only, not the muffler... I think that particular muffler is a 50mm Twin out originally built for a 2.7 (I think!!!)... will this be good enough for a 3.0 SC Twin Plug that puts out near on 280bhp?... I don't really know, maybe it might choke a bit
Old 04-12-2011, 02:13 PM
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Just get a M&K
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Old 04-12-2011, 03:15 PM
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Is the M&K 2 in 2 out overly loud?... how would you rate it?
Old 04-12-2011, 03:19 PM
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The shop that built my motor uses flowmasters and magnaflows in a 2-in, 2-out configuration. The engine made good power on the dyno and the sound is perfect (not too loud and it doesn't drone).
Old 04-12-2011, 04:14 PM
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It's been proven that the two best mufflers are the sport muffler as above or the stock muffler. Try one of sycip's mufflers for the best of both worlds. You can cap the 2 central outlets or vice versa. It's over a thousand though.
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Old 04-12-2011, 06:14 PM
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how about something light in weight?

Old 04-12-2011, 08:01 PM
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if you are concerned with sound, go with the oem, its a good price and I havent heard anyone complain about the noise. quiet mufflers and performance tend to not play well with one another

Pelican Parts - Product Information: 911-111-025-01-M350
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1978 911 SC Non-Sunroof Coupe, two tone Primer Black and SWEPCO Blue, Currently serving as a Track Whore
1981 911 SC Sunroof Coupe, Pacific Blue Project, Future Daily Driver
Old 04-13-2011, 06:47 AM
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The M&K I have is loud and drones but boy when you get on it the sound is simply amazing.
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1988 911 Carrera Grand Prix White/Black
2015 Cayenne Diesel Black/ Luxor Beige/Black
Old 04-13-2011, 07:31 AM
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OEM will be the best compromise of sound and performance in my experience.

Old 04-13-2011, 07:57 AM
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