06-16-2017, 12:48 PM | #1 |
Drives: 2010 Camaro 2SS/RS Join Date: Apr 2017
Location: Western KY
Posts: 25
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Long Tubes w/ Flowmaster Force II or American Thunder systems...Low Speed Drone???
I have purchased a set of 1 7/8" long tube headers with cat delete pipes and was planning on using either the American Thunder or Force II Flowmaster axle-back system. I will be leaving the stock mid-pipe and resonator in place..for now, unless someone gives me a reason why I should remove it. I was just wondering if anyone was running this setup and could tell me if they are experiencing or have experienced the dreaded low speed drone???? If so, what if anything did you do to get rid of it? Thanks in advance for your help
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06-16-2017, 12:54 PM | #2 |
Drives: 2010 Camaro 2SS Victory Red 6M Join Date: Apr 2015
Location: Gulf Coast, TX
Posts: 1,424
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If you're gonna run catless, it will drone like a mofo. The Force II I'd wager is actually more restrictive than the stock mufflers. Actually, I'd say all of the Flowmaster chambered mufflers are. I ran the Outlaws for that specific reason, they're the only ones that aren't restrictive.
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2011 2SS 6A Red Jewel Metallic, Vararam Tune CAI, Magnaflow 3" Competition c/b, Speed Engineering 1-7/8 LT's, Circle D 5C, M/T 275/40R20 S/S, HPTuners tune by Ryan@GPI
12.3 @ 112 ACM as of 12/22/19 Gone on 12/28/19 R I P 2010 2SS 6M Victory Red/Black (old ride) CAI intake, Speed Engineering 1 7/8" LT's, X4 base tune, Flowmaster Outlaw axle-back. 12.6 @ 115 SAR as of 9/19/15 Gone but never forgotten. |
06-16-2017, 01:04 PM | #3 | |
Drives: 2010 Camaro 2SS/RS Join Date: Apr 2017
Location: Western KY
Posts: 25
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06-16-2017, 01:42 PM | #4 |
Drives: 2014 Camaro SS L99 Join Date: Dec 2016
Location: Baytown, TX
Posts: 92
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Long tubes w/ cats and delta force ii here on l99... and I love it! The like I said, I have cats, and replaced that huge resonator with an x-pipe. I have zero drone issues ever. Cold start it's loud, when you're cruising around it's calm but when you put the pedal to the floor it's screams as loud as anything else! I chose this route strictly for the drone issue. Some people don't mind it, but it bothers me. Only other exhaust I've found similar to the delta as far as drone was Corsa... but I didn't have $1000+ at the time to get it. But I love the set up!
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06-16-2017, 04:36 PM | #5 |
Drives: camaro ss\rs Join Date: Jun 2014
Location: Italia
Posts: 755
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I have the american thinder with the longtube with cat. no drone until i put the cam. the system was too loud and i got the magnaflow xpipes. it souds ultramellow and it's amazing
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2014 camaro SS Whipple powered ,3.750 pulley,ID850, CAI,Flowmaster American Thunder exhaust,MGW racing shifter,Bo White ported tb,MightyMouse Catch Can,Vitesse throttle controller,GM 3.91 rear end, Dynatech longtube haders, BTR Pd cam,Fluidampr stock pulley,ZL1 fuel pump and ADM fpcm, Phastek scoop and fluid thank relocation Bmr Motor mount . Tuned by Mastuning
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06-16-2017, 11:09 PM | #6 |
Drives: 2012 camaro ss Join Date: Mar 2017
Location: Mo
Posts: 49
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Lt -no cats x-pipe- American thunder axle back sound great not much drone at all
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06-18-2017, 05:40 PM | #7 |
Drives: 2010 Camaro 2SS/RS Join Date: Apr 2017
Location: Western KY
Posts: 25
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Thanks...I was concerned that removing the cats and the factory resonator might give it the dreaded low rpm, highway speed drone! I'm leaning towards your exact setup so I'm hoping by "not much drone" you meant barely noticable and not annoying at all...cause some peoples "not much" could be someone elses nails on the chalk board annoying...lol
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06-18-2017, 06:08 PM | #8 |
Drives: 2013 2SS/RS 1LE Join Date: Nov 2014
Location: Iowa
Posts: 23
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J pipes from Solo will remove the drone !!
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06-18-2017, 07:43 PM | #9 |
Drives: 14 ss camaro summit white Join Date: Oct 2014
Location: bay area
Posts: 463
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Off topic but do the flowmaster 1 chamber 10 series restrictive?
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2014 ss camaro
Stainless works long tubes , rotofab cai , vararam wedge , muffler delete,cat delete ,resonator delete , x pipe 2019 sierra duramax 2500 all terrain x 2001 trans am Lsx 408 ci rebuild in progress(dead project) 1967 camaro Sbc 327. |
06-18-2017, 08:33 PM | #10 |
Drives: 2010 Camaro 2SS/RS Join Date: Apr 2017
Location: Western KY
Posts: 25
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I have been looking into the possibility of using J-pipes but, I dont want to have use a pair of coke cans for mufflers in order for them to fit. With the smaller mufflers the system would be too loud for my tastes when Im accelerating or foot to the floor letting the big dog eat! I haven't done any hard core measuring but, from what I see it looks as though the j-pipes wouldnt fit neatly with the Flowmaster American Thunder system.
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06-18-2017, 08:41 PM | #11 |
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Drives: 2011 2SS/ RS INFERNO ORANGE L99 Join Date: Dec 2012
Location: Alliston Ontario Canada
Posts: 9,057
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I have that on my car...its in place of my x pipe and doesnt seem restritive at all. Sounds good and aggressive.
Last edited by rontammy0; 06-18-2017 at 11:16 PM. |
06-18-2017, 09:03 PM | #12 |
Drives: 14 ss camaro summit white Join Date: Oct 2014
Location: bay area
Posts: 463
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Just makin sure cause i didnt find em restrictive lol close to 400rwtq and 390rwhp from just bolt ons and those flows.
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2014 ss camaro
Stainless works long tubes , rotofab cai , vararam wedge , muffler delete,cat delete ,resonator delete , x pipe 2019 sierra duramax 2500 all terrain x 2001 trans am Lsx 408 ci rebuild in progress(dead project) 1967 camaro Sbc 327. |
06-18-2017, 09:42 PM | #13 |
Drives: '12 SS Silver Ice Metallic Join Date: Nov 2016
Location: Central Valley, CA
Posts: 47
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Flowmater 10 series with custom resonator pipes
I have Flowmaster 10 series on my SS LS3 manual 6. Not restrictive, but they droned like a mother at 1800-2000 rpm at freeway speed, in 6th especially. I went with custom resonator tubes, 2.25" dia. and 28" length. This setup completely killed the drone, and I still have all the rumble that I wanted from the 10 series mufflers. This is a cheaper option than the Solo J-pipes, but mine aren't adjustable.
From the pics you can see that there is plenty of room back there to work with, even with larger mufflers. Last edited by JRBumfuddle; 06-18-2017 at 09:46 PM. Reason: added pics |
06-18-2017, 10:22 PM | #14 | |
Drives: 2012 camaro ss Join Date: Mar 2017
Location: Mo
Posts: 49
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Exactly it is very subjective. I also have 3.91 gears so I cruise at a higher rpm. |
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