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Discussion Starter · #1 ·
Okay…new here and couldn’t find the exact issue so here goes. Just installed an Arrow Race 3/4…with baffle in it sounds mediocre at best. With baffle out it’s a monster with ear plugs required.

Here’s the issue…when I run baffle out it seems like it’s surging at low rpm’s when I pull the clutch in when I’m slowing down to stop. And it feels really unstable at slow speeds in first. As of it wants to stall out or as of it’s just choking for fuel. I know new exhaust without a tune runs lean…just want to make sure that’s the issue and it’s not something else. The surging only happens until I’m just about to stop and then it settles and stops which is weird. No idea why it doesn’t continue. If I’m sitting in traffic and just throttling a little to get moving it will start surging again until I almost come to a stop. Never stalls. It just surges between 1K-2K rpm’s…almost sounds like a heavy cam lope. I intend to flash but I’m just waiting for it to ship.

Thoughts?
 

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Make certain that manufacturer built your can for our bike. If so, then send it back as the can fails. Let them know, in a conversational tone, if you're speaking with Arrow tech, clearly state exactly your problem.

If you send it back for a refund, then check graves cans. I've been running graves cans for yuks and 10'rs years and years with no need for tuning.
 

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Hunting at low/idle rpm with an open system is not unheard of. You may be able to mitigate it with a proper dyno tune…..
 

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Okay…new here and couldn’t find the exact issue so here goes. Just installed an Arrow Race 3/4…with baffle in it sounds mediocre at best. With baffle out it’s a monster with ear plugs required.

Here’s the issue…when I run baffle out it seems like it’s surging at low rpm’s when I pull the clutch in when I’m slowing down to stop. And it feels really unstable at slow speeds in first. As of it wants to stall out or as of it’s just choking for fuel. I know new exhaust without a tune runs lean…just want to make sure that’s the issue and it’s not something else. The surging only happens until I’m just about to stop and then it settles and stops which is weird. No idea why it doesn’t continue. If I’m sitting in traffic and just throttling a little to get moving it will start surging again until I almost come to a stop. Never stalls. It just surges between 1K-2K rpm’s…almost sounds like a heavy cam lope. I intend to flash but I’m just waiting for it to ship.

Thoughts?
Any updates on this issue? I just installed an Arrow Indy Race exhaust on my '21 ZX-10R and it exhibits those exact same issues you mentioned. Was thinking / hoping a tune would clear this up.

Thanks
 

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Discussion Starter · #6 ·
The only thing that made it run correct was having the baffle in. It still smells of heavy fuel in the exhaust too. I think the only fix will be a ECU flash or furl tune which I will do at some point. Most likely the Brentuning flash as it’s made for an aftermarket exhaust and will most likely fix 99% of the issue. Runs very well with the baffle in. Which once you run it a few times you will be used to the sound which is still loud. I thought the baffle free ride was a little mind numbing without ear plugs. I like my music too much for that.



Any updates on this issue? I just installed an Arrow Indy Race exhaust on my '21 ZX-10R and it exhibits those exact same issues you mentioned. Was thinking / hoping a tune would clear this up.

Thanks
 

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The only thing that made it run correct was having the baffle in. It still smells of heavy fuel in the exhaust too. I think the only fix will be a ECU flash or furl tune which I will do at some point. Most likely the Brentuning flash as it’s made for an aftermarket exhaust and will most likely fix 99% of the issue. Runs very well with the baffle in. Which once you run it a few times you will be used to the sound which is still loud. I thought the baffle free ride was a little mind numbing without ear plugs. I like my music too much for that.
I never even tried the baffle. Does it sound that much different? I know without it, its very loud almost too loud but sounds tough. I'll try the baffle to see.

I was also thinking to do the Bren tune since its available now. Would love to know if its that alone will clear up the surging.
 

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Discussion Starter · #8 ·
I ride specifically with the baffle now. I like it. Still sounds amazing. Doesn’t rattle my brain.

I think the tune will clean it up to almost perfect. Just my thoughts. Once I get it, not sure when that will be as riding season is all but over for me, but I will report back.

I never even tried the baffle. Does it sound that much different? I know without it, its very loud almost too loud but sounds tough. I'll try the baffle to see.

I was also thinking to do the Bren tune since its available now. Would love to know if its that alone will clear up the surging.
 

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I ride specifically with the baffle now. I like it. Still sounds amazing. Doesn’t rattle my brain.

I think the tune will clean it up to almost perfect. Just my thoughts. Once I get it, not sure when that will be as riding season is all but over for me, but I will report back.
Same here...I live in CT so riding season is pretty much over...I like at least 55-60 minimum.

I plan to get the tuner and will also report back results. Probably try the baffle tomorrow...can't believe it has that much effect.
 

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Discussion Starter · #10 ·
Same here...I live in CT so riding season is pretty much over...I like at least 55-60 minimum.

I plan to get the tuner and will also report back results. Probably try the baffle tomorrow...can't believe it has that much effect.
You will see, all of a sudden your bike will run correctly again. No searching no weird surging on clutch pull upon slowing down. Just smooth operation as it should be. And it still sounds mean and pops when shifting. I love it.
 

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You will see, all of a sudden your bike will run correctly again. No searching no weird surging on clutch pull upon slowing down. Just smooth operation as it should be. And it still sounds mean and pops when shifting. I love it.
Wow...okay definitely gonna try it tomorrow.

Thanks!!
 

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The back pressure is lowered significantly when you fit a 3/4 or full system to the newer Generations, they are so much more restricted by the stock systems for emissions control than the older Generation's. The reason you notice it less with a baffle fitted is it increases back pressure but not quite to stock restrictions. It's smelling of unburnt fuel as back pressure keeps more unburned fuel in the cylinder which gets just about completely burned on the next power stroke. If you don't get the bike flashed and tuned the unburnt fuel will be building up shit on your pistons, valve seats and inside the exhaust system, the excess fuel in the cylinder mildly washes the engine oil on the cylinders and rings increasing dirt and shit build up the washed oil adds to wear on the cylinder walls and rings. You need to flash tune, ideally with a baffle (track days & neighbour friendly) and without baffle (strip days, hooligan days, and pissing neighbours off days)
 

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You will see, all of a sudden your bike will run correctly again. No searching no weird surging on clutch pull upon slowing down. Just smooth operation as it should be. And it still sounds mean and pops when shifting. I love it.
So I installed the baffle today and wha-la…no more surging when I come to a stop and very little to no pops and bangs. Still sounds really good too. Like you I’ll be riding with the baffle in until I tune the bike. Ran flawlessly and much smoother at low speed as well. The lowered decibel level to me was perfect.

Thanks!!
 

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Make certain that manufacturer built your can for our bike. If so, then send it back as the can fails. Let them know, in a conversational tone, if you're speaking with Arrow tech, clearly state exactly your problem.

If you send it back for a refund, then check graves cans. I've been running graves cans for yuks and 10'rs years and years with no need for tuning.
All that shows is that Graves cans are no better than standard and are a waste of money. The idea of an aftermarket exhaust is to de-restrict the bike and make more power, so you NEED to retune the bike when you fit a pipe as they flow better than the stock pipe and the bike will run lean unless you retune it. Contacting Arrow claiming it 'fails' because the exhaust they make flows better to make more power is laughable.

If all you want is a can that makes more noise but is no better than the restrictive stock pipe, then by all means keep using Graves cans, but if you actually want a performance increase, get a decent exhaust, like an Arrow, and tune the bike properly.
 

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I ride specifically with the baffle now. I like it. Still sounds amazing. Doesn’t rattle my brain.

I think the tune will clean it up to almost perfect. Just my thoughts. Once I get it, not sure when that will be as riding season is all but over for me, but I will report back.
Great
 
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