Arrow headers - Suzuki GSXS1000 Forum
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post #1 of 76 Old 09-29-2015, 03:51 AM Thread Starter
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Arrow headers

Hello,

The Arrow headers are there for 2 months now, does anybody of this forum installed those headers yet ?
This French guy did, and combined it with a USA Yoshimura can, I think it sounds good.

https://www.youtube.com/watch?v=SmkgoLkzpCY

If Akrapovic is not there with a full system this winter, I will order the Arrow headers, but I'm still not sure witch can I want to use.
The Arrow Titanium racetech can looks good, the Yoshimura Jpn can does also but I think it will be to load to combine the headers with the Yoshi Jpn can
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post #2 of 76 Old 09-29-2015, 06:14 PM
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Quote:
Originally Posted by john1000k7 View Post
Hello,

The Arrow headers are there for 2 months now, does anybody of this forum installed those headers yet ?
This French guy did, and combined it with a USA Yoshimura can, I think it sounds good.

https://www.youtube.com/watch?v=SmkgoLkzpCY

If Akrapovic is not there with a full system this winter, I will order the Arrow headers, but I'm still not sure witch can I want to use.
The Arrow Titanium racetech can looks good, the Yoshimura Jpn can does also but I think it will be to load to combine the headers with the Yoshi Jpn can
Hi
We are going to be fitting the arrow headers and the Japan Yoshi this week, will post up a before and after dyno graph once we have finished. We are also going to be making some other mods at the same time so will see what we can gain.
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post #3 of 76 Old 09-29-2015, 06:57 PM
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Would really love it if the aftermarket guys designing these pipes would consider using the oem fittings. I've removed the rear footrest and have no intention in using a hanger.
Bigger and longer is not always better.
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post #4 of 76 Old 09-30-2015, 03:55 AM Thread Starter
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Originally Posted by Rk performance View Post
Hi
We are going to be fitting the arrow headers and the Japan Yoshi this week, will post up a before and after dyno graph once we have finished. We are also going to be making some other mods at the same time so will see what we can gain.
I'm looking forward to the results.
The headers with the yoshi will look very clean.

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post #5 of 76 Old 09-30-2015, 03:54 PM
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base dyno run, headers will be going on tomorrow.
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File Type: jpg graph.jpg (309.0 KB, 281 views)
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post #6 of 76 Old 09-30-2015, 08:42 PM
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post #7 of 76 Old 09-30-2015, 11:41 PM
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post #8 of 76 Old 10-01-2015, 03:11 PM
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Here we go guys, attached are the dyno runs from before and after. The first run is the base run with stock headers and just a yoshi japan can ( no difference in power to standard can), the other line is the difference after a custom map, servo motor removed, full system and timing altered, theres more to come but we are unable to flash this ecu just yet but once we can will make more radicle changed to ignition and secondary butterflies. The bike rides far smoother now and can be ridden in 4th at 20mph with barely any snachy throttle like standard.
Theres a 7bhp gain up top and almost 10bhp in the mid range, as you can see the line is now much smoother. Theres no loss of power any where which shows the exhaust valve is nothing more than a sound/ emissions item unlike early r1s that relied on them to make any power low down.
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File Type: jpg 2 runs.jpg (364.0 KB, 341 views)
File Type: jpg gsxs run.jpg (220.6 KB, 331 views)
File Type: jpg gsx exhaust.jpg (190.1 KB, 379 views)
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post #9 of 76 Old 10-01-2015, 03:24 PM
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Nice one, looks like i will need to start saving up! And you got rid of the horrible looking cat.
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post #10 of 76 Old 10-01-2015, 04:07 PM Thread Starter
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Great news, thanks for sharing.

The bike looks great with the Yoshi can.
Now I realy need to buy a full system or the arrow headers with a nice exhaust can.
7 bhp on top and 10 bhp in midrange is not a bad way to start, super !

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