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Re: spin tech mufflers
[Re: Uncle Barry]
#661769
04/05/10 08:45 PM
04/05/10 08:45 PM
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Joined: Jan 2003
Posts: 4,084
Indiana
W5Duster436
master
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master
Joined: Jan 2003
Posts: 4,084
Indiana
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I have 2.5" pro-streets on mine and like them. I think when I change over to 3" I am gonna throw some magnaflows on. Sounds exactly like this GTO. Mine is here. But was done on a camera so doesn't do it justice.
'70 Duster - SDSS 436 W5 4spd (Gone)
'71 Dodge D100
'70 Dodge W100
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Re: spin tech mufflers
[Re: Uncle Barry]
#661773
04/05/10 10:17 PM
04/05/10 10:17 PM
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Joined: Jan 2003
Posts: 4,084
Indiana
W5Duster436
master
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master
Joined: Jan 2003
Posts: 4,084
Indiana
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Which did you purchase? I was very surprised at the size of the pro-streets.. very small but nice. I also added the accurate flanges right after the mufflers so that I could easily drop the whole center exhaust out of the way after they put the x-pipe right on the trans basically. :-)
'70 Duster - SDSS 436 W5 4spd (Gone)
'71 Dodge D100
'70 Dodge W100
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Re: spin tech mufflers
[Re: Uncle Barry]
#661775
04/05/10 10:54 PM
04/05/10 10:54 PM
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Joined: Nov 2008
Posts: 671
Wisconsin USA
Bill MeLater
mopar
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mopar
Joined: Nov 2008
Posts: 671
Wisconsin USA
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Quote:
i was told spintechs?? 3in with an h pipe. i didnt know there are different models 
MANY different models. Diff in/out, case size, tube dia. Mine are 3" oval in a 2 1/2" case. They are loud and heavy but they fit under my car without hanging below the rockers..
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Re: spin tech mufflers
[Re: Bill MeLater]
#661776
04/05/10 10:58 PM
04/05/10 10:58 PM
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Joined: Oct 2007
Posts: 1,070
Big Western Pencilveinya
Uncle Barry
OP
super stock
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OP
super stock
Joined: Oct 2007
Posts: 1,070
Big Western Pencilveinya
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Quote:
Quote:
i was told spintechs?? 3in with an h pipe. i didnt know there are different models
MANY different models. Diff in/out, case size, tube dia. Mine are 3" oval in a 2 1/2" case. They are loud and heavy but they fit under my car without hanging below the rockers..
i guess i should call them back tomorrow and see what they going to send... thank you.
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Re: spin tech mufflers
[Re: Uncle Barry]
#661777
04/05/10 11:13 PM
04/05/10 11:13 PM
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Joined: Jan 2003
Posts: 4,084
Indiana
W5Duster436
master
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master
Joined: Jan 2003
Posts: 4,084
Indiana
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http://www.spintechmufflers.com/Sportsmans are great and a bit quieter than the pro-streets. You'll be amazed how many different models/sounds they have. My friend has them on his blown 540 hemi w/4" pipes and it sounds fantastic.
'70 Duster - SDSS 436 W5 4spd (Gone)
'71 Dodge D100
'70 Dodge W100
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Re: spin tech mufflers
[Re: Pale_Roader]
#661779
04/07/10 10:48 AM
04/07/10 10:48 AM
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Joined: Mar 2003
Posts: 15,491
the boonies
aarcuda
I Live Here
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I Live Here
Joined: Mar 2003
Posts: 15,491
the boonies
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I have them on my AAR and LOVE THEM!!
It's got a cop motor, a 440 cubic inch plant, it's got cop tires, cop suspensions, cop shocks. It's a model made before catalytic converters so it'll run good on regular gas.
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Re: spin tech mufflers
[Re: Thumperdart]
#661781
04/07/10 01:19 PM
04/07/10 01:19 PM
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Joined: Oct 2005
Posts: 2,611
Elbridge, NY
Dart1031
master
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master
Joined: Oct 2005
Posts: 2,611
Elbridge, NY
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Quote:
Quote:
http://www.spintechmufflers.com/
Sportsmans are great and a bit quieter than the pro-streets. You'll be amazed how many different models/sounds they have.
My friend has them on his blown 540 hemi w/4" pipes and it sounds fantastic.
Sound is one thing but, how do they perform compared to say open headers or bullet muffs. 
I think member Cudafied runs them and he's into the 9's with a BB A-body
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Re: spin tech mufflers
[Re: Stroked65Belv]
#661784
04/08/10 12:05 AM
04/08/10 12:05 AM
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Joined: Oct 2003
Posts: 2,537
PORT ALBERNI , BC., CANADA
superwrench
master
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master
Joined: Oct 2003
Posts: 2,537
PORT ALBERNI , BC., CANADA
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I read somehwere (coulda even been on SpinTech's website) that there is no horsepower loss from their SuperStock series muff's.....although those are only made to attempt to reduce the noise to around 95 dicibels. I just got a set last week....they are a work of art though when you look inside them....the way the curved pieces are placed in there looks like they would help scavenge the exhaust pretty good. Getting them mounted up on 3 1/2" pipe back to the hangers just before the axle. Haven't changed anything on the car over the winter, so I'm expecting to know the outcome at our first meet in two weeks. Maybe I'll get lucky and not loose any et/speed and actually be able to leave my hearing aids turned on during a run!!! 
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Post deleted by Defbob
[Re: W5Duster436]
#661787
04/08/10 07:49 PM
04/08/10 07:49 PM
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Anonymous
Unregistered
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Anonymous
Unregistered
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Re: spin tech mufflers
#661788
04/08/10 08:07 PM
04/08/10 08:07 PM
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Joined: Apr 2007
Posts: 325
Greenville, WI
Big B
enthusiast
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enthusiast
Joined: Apr 2007
Posts: 325
Greenville, WI
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I have a complete 3 1/2" exhaust with X-pipe and Spintech Sportsman Street XL mufflers. The car is pretty quiet at idle and cruising, but very loud a full throttle. When I ordered the mufflers from Spintech He said he would be suprised if the engine lost any power at all. Maybe 10-15hp at most. That worked for me. I can actually listen to my radio while driving. 
Last edited by Big B; 04/08/10 08:26 PM.
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Re: spin tech mufflers
[Re: Big B]
#661790
04/08/10 08:44 PM
04/08/10 08:44 PM
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Joined: Jan 2003
Posts: 1,855
Staten Island N.Y.
Dap
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,855
Staten Island N.Y.
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I had the Spintech sportsman mufflers on my car for a while. I thought they sounded good but were very restrictive. At the time my car was in the mid 10.90`s and dropped to the mid 10.80`s when I switched to the Dynatechs.
PRH446
10.084 @ 135.21 mph N/A through chambered mufflers,3300lbs. Stock stroke wedge
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Re: spin tech mufflers
[Re: Thumperdart]
#661791
04/08/10 08:49 PM
04/08/10 08:49 PM
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Joined: Apr 2007
Posts: 325
Greenville, WI
Big B
enthusiast
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enthusiast
Joined: Apr 2007
Posts: 325
Greenville, WI
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Quote:
Quote:
I have a complete 3 1/2" exhaust with X-pipe and Spintech Sportsman Street XL mufflers.
The car is pretty quiet at idle and cruising, but very loud a full throttle.
When I ordered the mufflers from Spintech He said he would be suprised if the engine lost any power at all. Maybe 10-15hp at most.
That worked for me. I can actually listen to my radio while driving.
Now that`s what I needed to hear.....not sure I`m willing to give up ANY hp actually especially since some have reported NO losses at the track from muffs to uncorked w/bullets or other muffs. 
If you want zero HP loss then the Super Stock race quiets are what you want.They are advertised at 95db. I was going to get those, but Spintech said not to for street driving.(Too loud)
My mufflers are 85db. I bracket race so I could care less if my car is a tenth slower. 
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Re: spin tech mufflers
[Re: Uncle Barry]
#661793
04/08/10 09:07 PM
04/08/10 09:07 PM
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Joined: Nov 2009
Posts: 68
NEW YORK
MAXEDWEDGE
member
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member
Joined: Nov 2009
Posts: 68
NEW YORK
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they sound great . i did my fastest time and mph with them 9.94@137mph in a 3986 lbs e body w/ 410 gears and 540 ci pump gas . i run the 3 1/2 sportsman muffs. i use to run hooker 3 1/2 areo chambers . privious best was 10.08 . no other changes
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