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08-09-2023, 07:46 PM
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#1 |
 Drives: 2012 Camaro 2SS w/ Synergy Package Join Date: Mar 2012
Location: Indianapolis, IN
Posts: 47
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Spintech 9000
I added spintech 9000 to my L99 today. I have full exhaust and just changed out my mufflers. Overall i think they sound good but at a start and about 2K RPM, they have this terrible raspy/metallic sounds. I think thats the only thing keeping me from loving them but it is a big thing. Any idea what is causing it and how to get rid?
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08-12-2023, 06:54 PM
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#2 |
     Drives: 2014 Camaro SS 1Le Join Date: Feb 2016
Location: IL
Posts: 1,603
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It's just how the muffler is designed. Kind of similar to flow masters. Really no packing in there to get rid of the high pitch sound, that's why it sounds a little raspy. You can ad a mid muffler to get rid of that.
I remember when I had flowmaster super 10s on my G8. Sounded good at idle, but once u get moving they sounded raspy. I ended up swapping them out to dynomax mufflers. Sounds killer, but they droned like crazy. Maybe use those as a mid muffler to kill the raspiness.
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2014 SS 1LE Money Pit/ Forged 402
CAM 22X/24X, .619/.617, 113 LSA/ LS9 Heads FIC 1200cc/DSX Aux Pump//McLeod RXT Clutch 730whp: 630Trq |
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08-13-2023, 02:02 PM
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#3 |
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Drives: 2012 Camaro 2SS w/ Synergy Package Join Date: Mar 2012
Location: Indianapolis, IN
Posts: 47
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Thanks for responding man. I’ll look into that. I kept my old mufflers just in case. I’m going to leave them on for a bit to see if i can get used to them. Like you said, they sound great at idle. I’m curious of the sound from the outside while driving.
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08-13-2023, 03:00 PM
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#4 |
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Drives: 2012 Camaro 2SS w/ Synergy Package Join Date: Mar 2012
Location: Indianapolis, IN
Posts: 47
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Any recommendations on a mid muffler?
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08-14-2023, 08:58 AM
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#5 |
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Drives: 2014 Camaro SS 1Le Join Date: Feb 2016
Location: IL
Posts: 1,603
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Magnaflow has some.... or you can do the dynomax bullet mufflers as a mid muffler.
__________________
2014 SS 1LE Money Pit/ Forged 402
CAM 22X/24X, .619/.617, 113 LSA/ LS9 Heads FIC 1200cc/DSX Aux Pump//McLeod RXT Clutch 730whp: 630Trq |
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08-14-2023, 10:31 AM
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#6 |
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Onyx_Z7 <— Instagram
Drives: 2013 2ss 1le Join Date: Aug 2014
Location: Delaware
Posts: 634
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J pipes will removed rasp that’s what I did. Just have the ends capped
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08-14-2023, 11:36 AM
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#7 |
       
Drives: 2011 SS-RS Join Date: May 2011
Location: FLORIDA
Posts: 11,435
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This is the one a lot of folks go with. I had one installed for a bit when I was straight piped. Did a good job. Then I purchased a quality vat back system and sold the muffler to a forum member. They liked it.
https://www.phastekperformance.com/C...pipe-11386.htm
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TSP STAGE 3 CAM,231/246 @112 LSA 614/641 LIFT, CIRCLE D 5C-4200-4500 CONVERTER,LOD INTAKE.CORSA EXHAUST. DSS 1 PC DS. PEGASUS SOLID CRADLE MOUNTS. 486RWHP/475RWTQ.LOTS MORE.
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08-14-2023, 01:56 PM
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#8 |
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Drives: 2012 Camaro 2SS w/ Synergy Package Join Date: Mar 2012
Location: Indianapolis, IN
Posts: 47
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I saw on another thread the magnaflow. Ive been looking into those. And for the dynamax bullet, like this one?
https://www.summitracing.com/parts/w...iABEgKApPD_BwE |
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08-14-2023, 02:08 PM
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#9 |
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Drives: 2012 Camaro 2SS w/ Synergy Package Join Date: Mar 2012
Location: Indianapolis, IN
Posts: 47
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I’ll need to look into the jpipes. I dont really know much about them but will learn. Thanks for the recommendation
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08-14-2023, 05:58 PM
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#10 | ||
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Drives: 2014 Camaro SS 1Le Join Date: Feb 2016
Location: IL
Posts: 1,603
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Quote:
My G8 https://youtu.be/bLSGvaYaKkM Quote:
__________________
2014 SS 1LE Money Pit/ Forged 402
CAM 22X/24X, .619/.617, 113 LSA/ LS9 Heads FIC 1200cc/DSX Aux Pump//McLeod RXT Clutch 730whp: 630Trq |
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08-14-2023, 08:16 PM
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#11 |
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Drives: 2012 Camaro 2SS w/ Synergy Package Join Date: Mar 2012
Location: Indianapolis, IN
Posts: 47
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Thats sounds great. Thats with the dynamax mufflers? I did talk to my guy at my shop and he said he thinks the bullets could be good. Said that MF are great but they are a bugger name and just simply cost more
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08-15-2023, 12:35 PM
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#12 |
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Drives: 2014 Camaro SS 1Le Join Date: Feb 2016
Location: IL
Posts: 1,603
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__________________
2014 SS 1LE Money Pit/ Forged 402
CAM 22X/24X, .619/.617, 113 LSA/ LS9 Heads FIC 1200cc/DSX Aux Pump//McLeod RXT Clutch 730whp: 630Trq |
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08-17-2023, 12:38 PM
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#13 |
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Drives: 2012 Camaro 2SS w/ Synergy Package Join Date: Mar 2012
Location: Indianapolis, IN
Posts: 47
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Awesome. Thanks. Im going to look into these
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08-18-2023, 12:10 PM
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#14 | |
Drives: 2012 Chevrolet Camaro l99 Join Date: Aug 2020
Location: Austin, TX
Posts: 2,105
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Quote:
https://www.dynomax.com/mufflers/ult...ded-x-mufflers
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Build Thread https://www.camaro5.com/forums/showthread.php?t=609817 |
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