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 16Likes
07-15-2017, 09:47 AM
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CC Member
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Join Date: Dec 2015
Posts: 1,442
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Not Ranked
Just a side note: I was wrong on the temperature of the external case these Flowmasters run at.
My Bride got snakebit yesterday.
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07-16-2017, 05:56 PM
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CC Member
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Join Date: Oct 2002
Location: Eagle,
Ne.
Cobra Make, Engine: 1966 Lone Star 427SC.
Posts: 4,307
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Not Ranked
Quote:
Originally Posted by jimbo01
I talked to Firefly about a year ago and was told by them they only produce exhaust for the Superformance cars. Sure wish they would make them for the Backdraft cars as what you get from them is very poor quality. I know I have a set from them.
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We can build you a custom set from Firefly/Gilmore Kit.
Firefly Stainless Steel performance pipes have been designed
Thank you,
Kevin Gilmore
__________________
Regards,
Kevin
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06-11-2020, 01:26 PM
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CC Member
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Join Date: Dec 2019
Location: Long Island,
NY
Cobra Make, Engine:
Posts: 205
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Not Ranked
Quote:
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Originally Posted by kevins2
... Question for those with "standard", less restrictive pipes - I believe the packing used is high temp fiberglass, correct? My Harley had glass packed baffles and the glass deteriorates over time and they slowly get louder. Is that true of the packed side pipes? If so, that is another consideration when considering the trade-offs involved with choosing exhaust.
Kevin
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I was wondering about this with my FFR stock pipes. They are loud, of course, but also have a sort of metallic hammering sound, especially on deceleration, that I'm not crazy about. I'd love to quiet them down a bit. I have ceramic coated setup and love the look, so I'd rather work with them if possible. The Cobra only has 1,600 miles but is 7 years old. Maybe the fiberglass has settled or worn.
As long as I'm asking, I have a more basic question: How does one go about "replacing" the muffler? Do you cut the welds before and after that center section, weld back in the new muffler, have it ceramic coated, and then reinstall the entire thing onto the car?
I was seriously considering the Flowmaster Slimline but they seem to be discontinued.
And what about adding those baffles that slide into the tail pipe?
__________________
Adam
Fulfilling my lifelong dream to own a Cobra... MISSION ACCOMPLISHED!
MKIV FFR 347 cid, Levy T5, 3.55 3-link.
SOLD  Replaced by something with a Flat-6 
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06-11-2020, 01:31 PM
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CC Member
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Join Date: Sep 2008
Location: Austin,
TX
Cobra Make, Engine: ERA FIA, 351W
Posts: 765
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Not Ranked
how many decibels are you producing over the 90 limit?
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06-11-2020, 01:44 PM
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CC Member
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Join Date: Dec 2019
Location: Long Island,
NY
Cobra Make, Engine:
Posts: 205
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Not Ranked
90 db limit? That's a funny joke 
This reading was taking by my phone's db app from driver's seat while sitting at a stop sign giving it a little rev.
__________________
Adam
Fulfilling my lifelong dream to own a Cobra... MISSION ACCOMPLISHED!
MKIV FFR 347 cid, Levy T5, 3.55 3-link.
SOLD Replaced by something with a Flat-6
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06-11-2020, 05:08 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,005
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Not Ranked
I spent a good bit of time having my car sound exactly the way I wanted it to. My "quiet type" pipes, from Stainless Specialties, now out of business, make 95 decibels at idle right next to the outlets. The stroked and bored FE has a SFT cam with 96 degrees of overlap seat to seat. Together, the sound is perfect. Not too loud, but not too soft. Remember, it's the combination of your mill and your pipes that make the sound just right.  You can click below to hear it both idling and accelerating. |
06-12-2020, 01:13 PM
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Full Blown Member
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Join Date: Sep 2008
Cobra Make, Engine: KMP 427 S/C, Twin Paxton 511 FE
Posts: 2,594
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Not Ranked
I think that db app company has their Peak and Max turned around.
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rodneym
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06-12-2020, 01:26 PM
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CC Member
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Join Date: Dec 2019
Location: Long Island,
NY
Cobra Make, Engine:
Posts: 205
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Not Ranked
Quote:
Originally Posted by rodneym
I think that db app company has their Peak and Max turned around.
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Yea, the word "peak" should really say "Current"
"Max" means highest reading for that session of using the app, of course.
__________________
Adam
Fulfilling my lifelong dream to own a Cobra... MISSION ACCOMPLISHED!
MKIV FFR 347 cid, Levy T5, 3.55 3-link.
SOLD Replaced by something with a Flat-6
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08-21-2021, 09:52 PM
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CC Member
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Join Date: Dec 2019
Location: Long Island,
NY
Cobra Make, Engine:
Posts: 205
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Not Ranked
I recently had Georgie install his Gas-N touring side pipes on my car and I couldn't be happier. I don't even need ear plugs any more. But when I get on it, the car sounds GREAT. The idle sounds better too, with a deep rumble. Two Cobras you.
https://youtu.be/dUOx7HpvcNw
__________________
Adam
Fulfilling my lifelong dream to own a Cobra... MISSION ACCOMPLISHED!
MKIV FFR 347 cid, Levy T5, 3.55 3-link.
SOLD Replaced by something with a Flat-6
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08-22-2021, 05:49 AM
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CC Member
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Join Date: Aug 2013
Location: Canandaigua,
NY
Cobra Make, Engine: SPF MKII Riverside Racer FIA
Posts: 2,499
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Not Ranked
Georgie is the best! I have been thoroughly impressed with the workmanship and the ability to customize. Nice to hear that he has helped you.
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08-24-2021, 12:31 PM
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CC Member
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Join Date: Sep 2018
Location: Howell,
NJ
Cobra Make, Engine: Backdraft Car #1209 Roush 427R
Posts: 607
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Not Ranked
Heat...
Do they get as hot as the regular pipes without a baffled cover.
Fred
Quote:
Originally Posted by AdamIsAdam
I recently had Georgie install his Gas-N touring side pipes on my car and I couldn't be happier. I don't even need ear plugs any more. But when I get on it, the car sounds GREAT. The idle sounds better too, with a deep rumble. Two Cobras you.
https://youtu.be/dUOx7HpvcNw |
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08-24-2021, 01:26 PM
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CC Member
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Join Date: Dec 2019
Location: Long Island,
NY
Cobra Make, Engine:
Posts: 205
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Not Ranked
I dunno, I have not touched them yet.  I'll take temp readings next time I drive it.
__________________
Adam
Fulfilling my lifelong dream to own a Cobra... MISSION ACCOMPLISHED!
MKIV FFR 347 cid, Levy T5, 3.55 3-link.
SOLD Replaced by something with a Flat-6
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08-24-2021, 01:38 PM
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CC Member
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Join Date: Sep 2018
Location: Howell,
NJ
Cobra Make, Engine: Backdraft Car #1209 Roush 427R
Posts: 607
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Not Ranked
Temperature
They look nice and very well made but are they insulated at all. I have enough burns from mine before I put the covers back on.
Quote:
Originally Posted by AdamIsAdam
I dunno, I have not touched them yet. I'll take temp readings next time I drive it. |
Last edited by FredG; 08-24-2021 at 01:48 PM..
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08-24-2021, 01:54 PM
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CC Member
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Join Date: Dec 2019
Location: Long Island,
NY
Cobra Make, Engine:
Posts: 205
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Not Ranked
I'm sure you can have covers installed. these are custom made for each order.
__________________
Adam
Fulfilling my lifelong dream to own a Cobra... MISSION ACCOMPLISHED!
MKIV FFR 347 cid, Levy T5, 3.55 3-link.
SOLD Replaced by something with a Flat-6
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