Author Topic: ZX-14 or ZX-14R Exhaust for a C-14?  (Read 10803 times)

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Online connie_rider

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Re: ZX-14 or ZX-14R Exhaust for a C-14?
« Reply #150 on: May 01, 2017, 05:06:46 pm »
New numbers;   (someone please confirm my dia's)
 Earlier ZX-14
 Entire head pipe dia is (1 1/2") {38 mm}
 Exhaust port dia (x2) is (2 1/8") {approx. 54 mm} (2") {approx. 51 mm} {??}
   2006 - 2007 No Catalytic Converter.
   2008 - 2011 has a Catalytic converter.
   

ZX-14R: (2012 to current)
 Head pipe dia "at" the Flange is (1 1/2") {38 mm}
    Head pipe dia @ 2" below the Flange, increases to (1 11/16") {43 mm}
 Exhaust port dia (x2) is (2 1/8") {54 mm}
 No Catalytic converter.   (Converters were in each muffler)

ZG-14 (Concours)
 Entire head pipe dia is (1 3/8") {35 mm}
 (2008-current) Exhaust port dia (x1) is (2 1/8") {54 mm}
 Has Catalytic converter.

Full Area P System {FAPS}
  Head pipe dia at the Flange is (1 1/2") {38 mm}
  Head pipe dia from below the Flange, expands to (1.730" {approx. 1 23/32"}) {44 mm}
 Exhaust port dia (x1) is approx. (2 1/4") {57 mm}
 No Catalytic converter.

Can someone please measure a ZX-14 (2008 - 2011) header Exhaust port dia. ??
I'm not quite certain I have the correct dimension...

Ride safe, Ted
« Last Edit: May 04, 2017, 01:25:15 pm by connie_rider »
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Offline gPink

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Re: ZX-14 or ZX-14R Exhaust for a C-14?
« Reply #151 on: May 01, 2017, 11:10:55 pm »
Back in '10 (pre-flash days) I installed '06 zx headers w/ dual Muzzy cf mufflers, removed the secondaries an added a PCV w/Autotune. And yes I 'think' it runs better. Not a dyno within two hours so no it was not done.

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Re: ZX-14 or ZX-14R Exhaust for a C-14?
« Reply #152 on: May 07, 2017, 04:14:38 pm »
Thanks gpink.  I do appreciate the feedback.
Ghostrider sent me a PM and he reports the same as you.
The fact that there was an improvement is good...

I'm looking for a ZX-14 pipe/dyno run so we can see what the pipe actually did.
  With those numbers we can evaluate "where" it got better.

NOTE: Sorry, can't help myself. My background is research, so I need numbers!!

Ride safe, Ted
« Last Edit: May 07, 2017, 04:19:54 pm by connie_rider »
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Re: ZX-14 or ZX-14R Exhaust for a C-14?
« Reply #153 on: November 05, 2017, 06:22:18 pm »
Here are corrected header dimension's.
I bought a set from a 2008 ZX-14 to get this additional info.
Discovered that a 2007-2008 and 2009-2011 ZX-14 header's have different diameters, plus the later models all have a catalytic converter.

As always, if anyone see's an incorrect number, let me know.

Ted

ZX-14 2006 - 2007
 Entire head pipe dia is (1 1/2") {38 mm}
 Exhaust port dia (x2) is (2") {approx. 50 mm}
 Has no Catalytic converter.
Cyl's 1/4 and 2/3 are paired.


ZX-14 2008 - 2011
 Entire head pipe dia is (1 1/2") {38 mm}
 Exhaust port dia (x2) is (2 1/8") {approx. 54 mm}
 Has Catalytic converter.
Cyl's 1/4 and 2/3 are paired.   

ZX-14R: (2013 to current)
 Head pipe dia at the Flange is (1 1/2") {38 mm}
 Head pipe dia from 2" below the Flange, flares to (1 11/16") {43 mm}
 Exhaust port dia (x2) is (2 1/8") {54 mm}
 No Catalytic converter.
Cyl's 1/2 and 3/4 are paired.

ZG-14 (Concours)
 Entire head pipe dia is (1 3/8") {35 mm}
 Exhaust port dia (x1) is (2 1/8") {54 mm}
 Has Catalytic converter.
Cyl's 1/4 and 2/3 are paired.

Full Area P System
  Head pipe dia at the Flange is (1 1/2") {38 mm}
  Head pipe dia from 2" below the Flange, flares to {approx. 1 23/32"}) {44 mm}
 Exhaust port dia (x1) is approx. (2 1/4") {57 mm}
 No Catalytic converter.
Cyl's 1/4 and 2/3 are paired.
« Last Edit: November 08, 2017, 03:30:39 am by connie_rider »
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Re: ZX-14 or ZX-14R Exhaust for a C-14?
« Reply #154 on: November 05, 2017, 08:02:53 pm »
Ted please clarify 'exhaust port'.

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Re: ZX-14 or ZX-14R Exhaust for a C-14?
« Reply #155 on: November 06, 2017, 12:34:07 am »
I'm referring to the exhaust exit ports at the rear of the collector.
Not sure what else to call them?

The port on the ZG, and the ports on the 2012 ZX-14R are all 2 1/8" OD.

The OD of the ports on my 2007 ZX-14 header are 2". (Which kinda surprised me)
Did a little research and discovered that Delkevic started offering a different exhaust for the ZX-14 in 2008.
So, I think after 2007, the exhaust port size increased to 2 1/8", but I have no way to know that for sure??

If someone has a 2008-2011 ZX-14 exhaust, please let me know that dimension...

Ride safe, Ted
« Last Edit: November 08, 2017, 03:29:01 am by connie_rider »
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Offline Egodriver71

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Re: ZX-14 or ZX-14R Exhaust for a C-14?
« Reply #156 on: November 06, 2017, 11:57:14 am »
The port on the ZG, and the ports on the 2012 ZX-14R are all 2 1/8" OD.

The OD of the ports on my 2008 ZX-14 header are 2". (Which kinda surprised me)
Did a little research and discovered that Delkevic started offering a different exhaust for the ZX-14 in 2008.
So, I think after 2008, the exhaust port size increased to 2 1/8", but I have no way to know that for sure??

If someone has a 2009-2011 ZX-14 exhaust, please let me know that dimension...

Ride safe, Ted

It did change and the only change necessary is a different gasket.
Thomas Mann
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Re: ZX-14 or ZX-14R Exhaust for a C-14?
« Reply #157 on: November 06, 2017, 01:20:17 pm »
Thanks Thomas. Good info. Matches my findings.
I agree, on the stock ZX mufflers, all that is needed is the correct gasket.
  (I have stock ZX mufflers and gaskets for 2" ports)

That's what started my info search. (I have 2012 ZX-14R headers, and 2010 ZX-14 mufflers)
I couldn't understand why the gaskets were 2' when I thought all ZX-14 headers had 2 1/8" ports.
I eventually bought 2007 headers and discovered the 2" ports.
Was not sure if the later models had gone to 2 1/8".

I've seen posts from others that installed slip-on's and found them too big to fit their ZX headers.
I suspect they were buying 2006/2007 headers, and trying to install slip-on's from a 2008/2011 ZX.
I think buying slip-on's for a 2006/2007 instead of a 2008-2011 will solve the problem?

Ride safe, Ted
« Last Edit: November 08, 2017, 03:27:12 am by connie_rider »
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Re: ZX-14 or ZX-14R Exhaust for a C-14?
« Reply #158 on: November 06, 2017, 04:29:35 pm »
Thanks Thomas. Good info. Matches my findings.
I agree, on the stock ZX mufflers, all that is needed is the correct gasket.
  (I have stock ZX mufflers and gaskets for 2" ports)

That's what started my info search. (I have 2012 ZX-14R headers, and 2010 ZX-14 mufflers)
I couldn't understand why the gaskets were 2' when I thought all ZX-14 headers had 2 1/8" ports.
I eventually bought 2008 headers and discovered the 2" ports.
Was not sure if the later models had gone to 2 1/8".

I've seen posts from others that installed slip-on's and found them too big to fit their ZX headers.
I suspect they were buying 2007/2008 headers, and trying to install slip-on's from a 2009/2011 ZX.
I think buying slip-on's for a 2007/2008 will solve the problem?

Ride safe, Ted

I'm running a Delkevic C14 slipon on my 07 ZX14 header, I just made a little fiberglass wrap gasket and torqued it down good with an exhaust clamp. No issues with being too loose, it's just as solid as it was on the stock header.

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Re: ZX-14 or ZX-14R Exhaust for a C-14?
« Reply #159 on: November 07, 2017, 02:24:07 pm »
Thanks OKC.
I agree, the gap can be overcome. (I machined an aluminum bushing for mine)
Do you happen to know what model of Delkevics you have?
    I suspect they are for 2008-2011 ZX-14's.

Delkevic Slip-On's (and others) offered different part number headers for 2006-2007, and a 2008-2011 ZX-14's.
   (I think the difference in the 2 models is the size of the Mid Pipe Flare. (Fits the header port)
    If so, 2006-2007 Model Slip-on's will fit best on the early ZX-14 {2006-2007} headers. (with No Cat's)

Ride safe, Ted
« Last Edit: November 08, 2017, 03:24:28 am by connie_rider »
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Re: ZX-14 or ZX-14R Exhaust for a C-14?
« Reply #160 on: November 07, 2017, 02:55:29 pm »
Thanks OKC.
I agree, the gap can be overcome. (I machined an aluminum bushing for mine)
Do you happen to know what model of Delkevics you have?
    I suspect they are for 2009-2011 ZX-14's.

Delkevic Slip-On's (and others) offered different part number headers for 2007-2008, and a 2009-2011 ZX-14's.
   (I think the difference in the 2 models is the size of the connection at the header port)
    If so, 2007-2008 Model's will fit best on the early ZX-14 headers.

Ride safe, Ted

I used the 9" carbon Delkevic shorty for the 2008-2015+ Concours 14.  No modifications to the midpipe to get it to fit on the 07 ZX14 header.

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Re: ZX-14 or ZX-14R Exhaust for a C-14?
« Reply #161 on: November 08, 2017, 03:18:11 am »
Thanks OKC. You are correct.
 You helped me find my error.
    I had the Model Years wrong.

Delkevic makes mufflers to fit 2006 - 2007 {w/2" Ports and NO Catalytic Converter}, and 2008 - 2011 {w/2 1/8" Ports and catalytic Converter} ZX-14's..

I should have said;
  Delkevic Slip-On's (and others) offered different part number headers for 2006-2007, and a 2008-2011 ZX-14's.
   (I think the difference in the 2 models is the size of the Mid Pipe Flare. (Fits the header port)
    If so, 2006-2007 Model Slip-on's will fit best on the early ZX-14 {2006-2007} headers. (with No Cat's)

Ride safe, Ted
« Last Edit: November 08, 2017, 03:32:20 am by connie_rider »
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