Kawifast
Expert Class
Posts: 184
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posted April 19, 2012 06:41 AM
 Edited By: Kawifast on 19 Apr 2012 14:42
CT Duals instead of CT Single?
Gents-I ordered and have recieved my Brocks CT Single exhaust with PC5 and Street Map. It is all still in the box it was shipped in.
After taking delivery I've starting thinking about going the CT dual route vs the single and was hoping to get some feedback from anyone as to real world differences. I'm not sure I am going to go with the duals but would like to know:
-Any measurable performance differences between the two? More or less low end torque,
with one vs the other?
-What is the difference in tone and overall sound/DB?
-I'll call Steve at Brocks, but might as well ask; is the Street Map on the PC 5 I have for the single CT going to be the same as the one for the duals?
Thanks for any opinions or first hand experiences.
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2012 Kawasaki ZX14-R
2012 BMW S1000RR
2012 BMW K1600GT
  
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CraZX14
Expert Class
Posts: 399
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posted April 19, 2012 08:13 AM
Shouldn't you have been asking these questions BEFORE pulling the trigger and purchasing? Anyway, I've done the research and have a CT Meg on back order. From what I've gathered, the duals are slightly quieter and deeper in tone, and add a slight amount of weight. All make virtually the same power. It boils down to which one you think looks the best and how much you want to spend.
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2003 L.E. Hayabusa
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gilberjj
Needs a job
Friend of Fast
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posted April 19, 2012 08:14 AM
Edited By: gilberjj on 19 Apr 2012 16:16
Do you honestly believe the duals make more power???? I think Brock just wants the people spending $2k+ to feel like they are getting a little bit more than everyone else. Notice, no race zx14s were running the duals. I'm not saying they are bad, but I wouldn't think of them as anything but a cosmetic differance, and perhaps they will sound a little different. I know a lot of guys hate the single sided exhaust look, and there where a lot of people asking for a dual full system back in the day, so Brock was filling that void. I'd stick with the single, but that's just my opinion.
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Bad in Black
Expert Class
Posts: 348
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posted April 19, 2012 08:23 AM
I'd stick with the single, same power less weight. I was one of those guys that thought I would miss the dual look, but after going to singles and feeling the HUGE diff in handling, and how much lighter the bikes felt in general, I won't be doing any dual aftermarkets on any future bikes if I change out the exhaust.
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Kawifast
Expert Class
Posts: 184
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posted April 19, 2012 08:56 AM
Thanks Gilber and Bad--I really assumed it came down to a matter of cosmetics, slight sound difference and of course cost. I just wasn't sure about the difference in the 4-2-1 vs 4-2-2 as full systems go.
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2012 Kawasaki ZX14-R
2012 BMW S1000RR
2012 BMW K1600GT
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Kawifast
Expert Class
Posts: 184
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posted April 19, 2012 08:57 AM
quote:
Shouldn't you have been asking these questions BEFORE pulling the trigger and purchasing? ]
Probably---I dunno I'm goofy that way sometimes. I've learned to live with it 
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2012 Kawasaki ZX14-R
2012 BMW S1000RR
2012 BMW K1600GT
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Hurricane
Expert Class
Posts: 173
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posted April 19, 2012 08:58 AM
I have 07 with single Ct, my brother in law has the dual. His is a little quieter. As far as HP there is no difference in fact mine pulls a little harder! I would stick to the Single...
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zx12mark
Pro
Posts: 1654
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posted April 19, 2012 09:07 AM
now this is why this site is so fucking cool...no way could you get the truth like this from anywhere else......DELUXE
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CraZX14
Expert Class
Posts: 399
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posted April 19, 2012 09:10 AM
quote:
quote:
Shouldn't you have been asking these questions BEFORE pulling the trigger and purchasing? ]
Probably---I dunno I'm goofy that way sometimes. I've learned to live with it
No worries. We all have our quirks. But I'd stick with what you've got. Enough money has already been spent! 
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2003 L.E. Hayabusa
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SnuffyZX
Novice Class
Posts: 94
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posted April 19, 2012 03:14 PM
Hey KawiFast
I Dont think they will give you more HP than the single but its just personal preference....I dont like the way a single looks so thats why I picked the dual I feel it evens out the bike.
Snuffy
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2012 S.E. Golden Blazed Green 14R
Brocks CT Dual Exhaust
Brocks Ohlins Damper
Ohlins Rear Shock
MRA Touring Screen
DDM HID's
COX Radiator Guard
Power Bronze Tire Hugger
Clear Alternatives Intergrated Tailight
2007 Candy Plasma Blue (Retired)
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Goldwingmann
Expert Class
Posts: 336
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posted April 20, 2012 09:36 AM
You lose only 1 HP with the dual set up. They make the bike more attractive, the weight with the Titanium system is negligible. Have a nice sound. Was worried about them being too loud...so ordered the sound suppressors...they are still in factory wrappers and going back to Brock when I have a chance to mail them.
They sound wonderful and am very pleased..the noise is way behind me when at speed, with my ear plugs...it is a non issue under power....
I think the single may be a little too loud, especially if you have neighbors your care about.
Either one has it's advantages so if you are having second thoughts....they will exchange your single with a dual with a phone call..
Brock is the best!
Ninja
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blue07
Expert Class
Posts: 485
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posted April 20, 2012 09:46 AM
Edited By: blue07 on 20 Apr 2012 17:49
I like my single very much.I didn't think I would for the noise deal and 'symmetry' thing...but the handling and power have me convinced .I ordered the sound insert thing....but not real sure at this point if I'll even use it.I'll give it a try....just because.My muffler doesn't scream or anything UNTIL I open er up and really go for it.Otherwise...it's got a nice growl to it while tooling around...but not obnoxious.I think...no...I KNOW my TiForce duals(slip-ons on my 07)were actually louder.
Tell ya one thing..never having had a full system on any bikes I owned...looking into that muffler and seeing the diameter all the way out...makes me smile everytime.Virtually a nice big cavern for air flow....sweet!Definitely has waked the sleeping giant motor!!!
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Wheelie
Needs a life
Old Man
Posts: 6902
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posted April 20, 2012 10:23 AM
http://www.brocksperformance.com/absoluteig/gallery.asp?action=viewimage&categoryid=19&text=&imageid=210&box=&shownew=
wee
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Kawifast
Expert Class
Posts: 184
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posted April 20, 2012 11:49 AM
quote:
http://www.brocksperformance.com/absoluteig/gallery.asp?action=viewimage&categoryid=19&text=&imageid=210&box=&shownew=
wee
Thanks Wee. I actually had seen that. Pretty much sums it up.
____________
2012 Kawasaki ZX14-R
2012 BMW S1000RR
2012 BMW K1600GT
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Kawifast
Expert Class
Posts: 184
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posted April 20, 2012 11:49 AM
quote:
Hey KawiFast
I Dont think they will give you more HP than the single but its just personal preference....I dont like the way a single looks so thats why I picked the dual I feel it evens out the bike.
Snuffy
They look very nice on your bike Snuffy.
____________
2012 Kawasaki ZX14-R
2012 BMW S1000RR
2012 BMW K1600GT
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Kawifast
Expert Class
Posts: 184
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posted April 20, 2012 11:56 AM
quote:
I like my single very much.I didn't think I would for the noise deal and 'symmetry' thing...but the handling and power have me convinced .I ordered the sound insert thing....but not real sure at this point if I'll even use it.I'll give it a try....just because.My muffler doesn't scream or anything UNTIL I open er up and really go for it.Otherwise...it's got a nice growl to it while tooling around...but not obnoxious.I think...no...I KNOW my TiForce duals(slip-ons on my 07)were actually louder.
Tell ya one thing..never having had a full system on any bikes I owned...looking into that muffler and seeing the diameter all the way out...makes me smile everytime.Virtually a nice big cavern for air flow....sweet!Definitely has waked the sleeping giant motor!!!
Thanks Blue--The one question that I still would like to hear an opinion on is:
-More or less low end torque than stock headers and cans with either of the two options?
I have only had slip on's on sport bikes and currently have the stock everything on my BMW K1600. I have had full exhausts on cruisers and VTwins.
As ugly as the stock cans are, they combined with near perfect fueling on the 14R work really really well at low (3k-5k) rpm, and really anywhere else. Did you experience any loss of low end torque with the full system? Are you riding a 2012 14R?
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2012 Kawasaki ZX14-R
2012 BMW S1000RR
2012 BMW K1600GT
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blue07
Expert Class
Posts: 485
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posted April 20, 2012 12:18 PM
Edited By: blue07 on 20 Apr 2012 20:22
Loss of low end....nope.They weight saving alone will tend to perk er up a bit....quite a bit IMO.I'm unning the Guhl ECU(Brock settings).I ran my stock factory ECU yesterday just for a comparo....nope....wasn't as peppy as the Guhl flashed one.Combined with the Brock's map and PCV....there is NO loss of low end...only more
Single or dual...I think it really comes down to esthetics there.I'm a fan of symmetry...but I can accept a single pipe on mine...mainly...because it allows me to get to the chain,rear shock,and cleaning in there without the hassle of trying to get my hand in all those teensy places that we ALL hate to see dirty!Makes servicing the chain MUCH simpler and hassle free.MUCH.
As those Dynos are showing...there is virtually no power difference between the dually and the singly.
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Kawifast
Expert Class
Posts: 184
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posted April 20, 2012 12:30 PM
quote:
Loss of low end....nope.They weight saving alone will tend to perk er up a bit....quite a bit IMO.I'm unning the Guhl ECU(Brock settings).I ran my stock factory ECU yesterday just for a comparo....nope....wasn't as peppy as the Guhl flashed one.Combined with the Brock's map and PCV....there is NO loss of low end...only more
Single or dual...I think it really comes down to esthetics there.I'm a fan of symmetry...but I can accept a single pipe on mine...mainly...because it allows me to get to the chain,rear shock,and cleaning in there without the hassle of trying to get my hand in all those teensy places that we ALL hate to see dirty!Makes servicing the chain MUCH simpler and hassle free.MUCH.
As those Dynos are showing...there is virtually no power difference between the dually and the singly.
Thanks Blue. All but decided to go ahead and install the CT single in my garage. I am one who actually has never minded the single side pipe. In fact in many ways I think it looks better and typically signifies performance. I ran a Guhl flashed ECU on a C14 BTW with slip on's. BIG difference getting those flies open so much earlier. I assume thats why you're running Guhls flash and PC5 w/Brocks street map?
____________
2012 Kawasaki ZX14-R
2012 BMW S1000RR
2012 BMW K1600GT
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Wheelie
Needs a life
Old Man
Posts: 6902
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posted April 20, 2012 12:32 PM
find some members dyno charts of oem pipe to Brocks, then look at the lower rpm increase in hp and torque, you're going to be satisfied. You willwant to shim your clutch springs to .180, still easy to ride, the clutch lever will be slightly firmer, you will gain acceleration with the shims and it will be easier on your clutch plates, "it will last longer"
wee
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Bad in Black
Expert Class
Posts: 348
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posted April 20, 2012 02:08 PM
quote:
quote:
I like my single very much.I didn't think I would for the noise deal and 'symmetry' thing...but the handling and power have me convinced .I ordered the sound insert thing....but not real sure at this point if I'll even use it.I'll give it a try....just because.My muffler doesn't scream or anything UNTIL I open er up and really go for it.Otherwise...it's got a nice growl to it while tooling around...but not obnoxious.I think...no...I KNOW my TiForce duals(slip-ons on my 07)were actually louder.
Tell ya one thing..never having had a full system on any bikes I owned...looking into that muffler and seeing the diameter all the way out...makes me smile everytime.Virtually a nice big cavern for air flow....sweet!Definitely has waked the sleeping giant motor!!!
Thanks Blue--The one question that I still would like to hear an opinion on is:
-More or less low end torque than stock headers and cans with either of the two options?
I have only had slip on's on sport bikes and currently have the stock everything on my BMW K1600. I have had full exhausts on cruisers and VTwins.
As ugly as the stock cans are, they combined with near perfect fueling on the 14R work really really well at low (3k-5k) rpm, and really anywhere else. Did you experience any loss of low end torque with the full system? Are you riding a 2012 14R?
Theoretically you are supposed to lose some low end, but gain peak hp with a switch from duals to a 4-1. BUT, most new systems are 4-2-1, which is what the exhaust industry found was a way to comprimise. I lost quite a substantial amount of low end off my Ninja 1000R with a 4-1. I also lost alot with a 4-1 on my zx11, but they both picked up a big hit up top. My busa has a yosh 4-2-1, and I actually was suprised I lost some low end below 5 grand with it. It wasn't a huge amount....it still has plenty, but its noticeably softer now, a little 2-strokish when it hits 5 grand...which is actually kinda fun. And it does rev MUCH harder and faster now.
With my 14 I went from the stock exhaust directly to the turbo, and it didn't seem to affect the low end much at all. But the 14 motor has PLENTY of low end with the flies out or modified to open faster, so even if you did lose a little I doubt you'll notice or even care much, because that brocks set-up is going to rock the upper rpms in a big way 
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Bad in Black
Expert Class
Posts: 348
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posted April 20, 2012 02:16 PM
quote:
Hey KawiFast
I Dont think they will give you more HP than the single but its just personal preference....I dont like the way a single looks so thats why I picked the dual I feel it evens out the bike.
Snuffy
Now thats a good looking dual set-up.....those cans are nice and small, makes the bike look smaller and more sporty while still giving the dual look and cutting weight. I'd rock those.....best looking duals I've ever seen on a bike........good looking bike snuffy and awesome pipe design brock
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Seno
Pro
BANNED FOR LIFE!
Posts: 1230
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posted April 20, 2012 04:52 PM
They do look great, I am wondering if there is an option for converting a single to a dual setup...
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2012 Black 14R -> Completely done!
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robrooter
Expert Class
Posts: 178
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posted April 20, 2012 05:14 PM
Snuffy i'm going to use that pichas as my back ground picture sweet. we are getting the limited editstion in 2013 so i will wait.
____________
Ride it, Respect it, It can an will bite you when you least expect. /smilies/smile.gif" border=0>
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blue07
Expert Class
Posts: 485
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posted April 20, 2012 09:49 PM
Edited By: blue07 on 21 Apr 2012 05:52
Hmmm....I do like the dual look...but for getting in there and servicing stuff....a single really can't be beat.(IMO)That is.The power differences are...well...minimal at best.I spend all my time railing on a Dragstrip,so a bit of low end 'bump' is okay with me.She's plenty capable at those higher speeds just as she is!
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Bad in Black
Expert Class
Posts: 348
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posted April 20, 2012 11:16 PM
Beautiful bike Montana.......or should I say GRN14? That color scheme rocks imo. If I didn't already have my 06 boosted I'd prolly be rocking a 14R in green
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