Thank you for the kind words, and great to hear you are finding the videos useful. 👍

I'm with you on that...but, we are a shrinking group. 👍

Love my propipe decel. Gotta watch it , lol🇨🇦🇨🇦

I love it too!

@@dawidos117 👍

I love it too. I have wrapped exhaust on my pipe which keeps the EGT high, that helps keep the pops coming!

👍

Thanks man, appreciate the comment!

Cool, happy to hear you're liking the videos. Appreciate the comment.

Great to hear! Thanks for the comment. 👍

Much appreciated, and thank you for the comment. 👍 Yes, burbling and some popping on decel are a sweet sound to my ears.

Don't remember the years of the CVO Breakout, but I think they were all Twin Cams. Depending on your Dealer, you probably have an EPA compliant tune in that bike. If that is the case, then it is probably running a bit too lean for its own good. Worth checking in to. Here is a video on the subject- kzfaq.info/get/bejne/bdmeaqaj0rmofGg.html

I second what DK said.. I had a tc 96 with big radius on a 2012 street bob. That exhaust made it a bit too lean. An indie mechanic pointed out to me that it was running too mean, he could tell just by looking at it when i first brought it in, the exhaust stud nuts were chalky white from the excessive heat, he tuned it on the dyno with a power commander and that bike ran amazing after, ran cooler and no pop and a bit more power

Glad you are finding the videos useful/interesting. 👍

Thanks! Yeah, it does happen.

Had a horrible case of decel pop on my RS it turned out to be both loose and corroded pipe head connectors once the mechanic resurfaced the pipe ends never had an issue that bad. Recently with an intake manifold leak had the pop but not as bad, once I fixed that it is running ok that is it pops a little specially when engine braking hard. Question: What is “RF”?

@@mymm6327 Yep, intake and exhaust leaks can get that AFR (Air Fuel Ratio) in the exhaust just right for some wicked popping.

Thanks for the comment. Good to hear, maybe there are more of us out there than I thought. 👍

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Thanks for the comment, glad you found the video useful! 👍😎👍

Very cool, enjoy! 👍😎👍

Glad you like!!! Thanks

Thank you for watching our vids and for your comment. Glad you are finding them useful.

Awesome! Glad you are finding the videos informative. Thanks for commenting! 😎

Thanks man. Glad you enjoyed, and appreciate you subscribing.

Yep!

Perfect analogy 🤘🏻

Love my dcell pop...its just right to sound..BADDASSS

@@t.t.kelsey7132 👍👍👍

Glad you enjoyed it! Here is a video you may find interesting - kzfaq.info/get/bejne/pthmrZNhzLKZiZs.html

The probability that it is tuned too lean is slim, but not impossible. It is more likely that you are just having decel pop from open exhaust, not from being super-heated from too lean of a tune. But you can use your FP3 to check your AFR and if it is good/not too lean.

Glad you found the video useful, and glad you seem to enjoy the barking as much as I do. 👍

Glad you liked it. Appreciate the comment.

Good to hear you are enjoying the benefits of our parts, and we appreciate your business! Always good to know folks are practicing their slow speed skills...it can be fun too!

Do the TTI's and see how it runs. You will like the extra power. Then tune only if needed.

Glad you like the video! Yeah it is crazy how easily you can change small things and get big results. Here is a video you may find interesting - kzfaq.info/get/bejne/pthmrZNhzLKZiZs.html

Thanks, glad you liked the video. Here is another one on the subject you may like- kzfaq.info/get/bejne/pthmrZNhzLKZiZs.html You could use some Thunder Torque Insert™, that will give you more power and may reduce or eliminate the pop. See this video- kzfaq.info/get/bejne/fMijg6eLs8-Ziqs.html Link to TTI's- www.dkcustomproducts.com/thunder-torque-inserts-c57-265.htm

Nice! 👍🏍👍

😎👍

👍

Thank you, happy you enjoyed.

👍😎👍

Glad you like the videos! We do not know of Harley using PAIR in any of their exhaust, yet. Thanks for commenting! 😎 MB

😎👍

Thank you, appreciate your kind words, and glad you're digging the videos. Yeah, I agree on the pop!

Wow! Glad to hear you're enjoying them. We appreciate your business.

@@DKCustomProducts HaHa! Grandson says it doesn't sound like a fart anymore... it sounds like a bunch of grenades. I'll take that as a compliment!

@@jackcompton8752 Cool! He'll always remember Grandpa and his Harley!

Glad to hear you're enjoying your new set up. 👍

Thanks man.

Yes, that is true in many cases. Thank you for the added info. 😎

👍

Yeah, the heat down south can be a bear sometimes. We have an entire playlist on how to cool down these bikes...it can take a little doing in the hot humid temps. Check out this link- kzfaq.info/sun/PLb3bvZgbH92_3s-2vv63QggFJ3nteFd_C Decel pop is not bad for your bike, but you can install some TTI's in the exhaust, that will make the bike run stronger, COOLER and reduce the decel pop. And you can also use the decel enleanment feature on the Power Vision to reduce the pop, if you don't like it. Appreciate your business, always feel free to call or write.

@@DKCustomProducts that's what I was using was that feature. Works great. It doesn't bother me really except for that once in awhile popping on decel... THIs? Guess I am not familiar with that..what is that?

I had the same problem with my 2009 Road King. I tried to set the Dyno Jet tuner by the recommendations but still had decel pop. I finally had it tuned by Dr Dyno and now no pop.

@@rogershipman3578 who's dr dyno?

Right on, there are still a lot of us that like decel pop, though those that don't seem very vocal. I think you will be well pleased with the bump in low and mid range power with the Thunder Torque Inserts.

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What cars do you have?

And it was the opposite of what I understood, I had to lean out the tune in the midrange to get it to pop, not richen it like I would have thought.

Yeah, it is just a matter of getting the AFR right in the pipes. Sometimes it needs to get a little leaner, sometimes a little richer.

@@DKCustomProducts thanks, by far the best video I have seen on decel pops. I wasn’t sure if I was going to hurt my bike doing it but I’ll keep an eye on the temp gauge and throttle response. And if it blows up I have other bikes lol.

Yeah, some people like the pop some don't! Glad you found the issue! Thanks for commenting!

Very interesting, thanks for the comment. 👍

@@DKCustomProducts yeah, I thought to raise an octane meant from 87 octane to 88 octane, but it doesn't! It means= 87.1 octane.....to 87.9 then changes up to 88 octane. If you add enough octane you can definitely feel where engine runs at its best, then even feel overdosed with octane can have Pops, & even flames out exhaust! So, I actually use premium fuel, but know it's not near as good as fuel in the 60s, so, I research each bike until I know how it likes to run best, then add octane boosters accordingly at gas stations!

Glad we could help!

Yep, sounds normal, not doing any damage. If you would like to pick up some low/mid range torque, check out the Thunder Torque Inserts™ at this link- www.dkcustomproducts.com/thunder-torque-inserts-c57-334.htm Exhaust will be a bit deeper, may reduce decel pop a bit, but will definitely increase the low and mid range torque.

@@DKCustomProducts I ordered a set after I posted this. I can’t say I’m not skeptical, but I’m gonna try them out and see.

@@ericbishop1161 Good deal man, we are confident you'll be pleased with them. We appreciate your business. There will be enough gain in torque that you can feel it with your butt dyno lol. Ride safe!

All you gotta do to get rid of the pop is change the AFR in the pipes. Best way to do this is to put a TTI in your RR 2-1. See link below. You will have a bump in low and mid range power, and should have a reduction in decel pop. www.dkcustomproducts.com/thunder-torque-inserts-c57-243.htm

Yep, there are a bunch of folks that like decel pop. 👍

Good point. That is what some of the different tuning strategies use..you are doing in manually. Those tuning strategies feed extra fuel into the intake, even if you have let up all the way on the throttle. By doing that (via computer, or manually) you are changing the AFR in the exhaust, making it so rich that it will not ignite and create any popping. Thanks for your comment!

Here is a link to a report to help you know what size TTI you need - www.dkcustomproducts.com/choosing-the-right-size-thunder-torque-inserts.htm You can also email us a picture looking into your exhaust and the measurement of the inside diameter of your exhaust about 1.5 - 2" in and we will let you know what size to get. Support@DKCustomProducts.com I believe that you will really like them! Lets us know what you think once you get them installed and get some miles out of them! Also here is the link to the Thunder Torques if you would like to read through any of the information on them - www.dkcustomproducts.com/catalogsearch/result/?q=thunder+torque Thank you for commenting!

We did an entire video on this, you can see it here- kzfaq.info/get/bejne/fpxoZMedl77Dlmg.html

As do I mine. 😎👍

Yeah, that is a great way to put it. 👍

Yes, they stop/reduce reversion. A side effect is that also change the AFR in the exhaust, and it will reduce/eliminate your decel pop. 👍 www.dkcustomproducts.com/thunder-torque-inserts-c57-334.htm

Is it popping out of the carb on acceleration? A rough rule of thumb is that a lean mixture will backfire through the carb and a rich mixture will backfire through the exhaust. Having said that, adjusting the idle mixture screws will change the mixture at IDLE and slightly off of idle. Once you open the throttle, the mains start flowing and the adjustment of the idle mixture screws is pretty much irrelevant. If the popping is at idle, then it might be the mixture screws. If it's at part throttle, it's something else...like an intake manifold leak. Thanks for commenting! KP

Man, I wish we could help, but we are completely unfamiliar with that bike and with the mods you have done. Generally speaking, anything happening in the exhaust is not going to hurt the engine...all of that activity is happening after the exhaust gasses have left the engine. Perhaps some Thunder Torque Inserts™ will change the AFR in the exhaust (does not change the AFR in the combustion chamber) so there are not flames. www.dkcustomproducts.com/thunder-torque-inserts-c57-334.htm

Music to my ears also! 👍

Glad you're enjoying your ride! You might find this video interesting/useful- kzfaq.info/get/bejne/pthmrZNhzLKZiZs.html

Each bike is different and it has been over a decade since we've spent any significant time jetting bikes, (even if we had, need to be with the bike and working on it to know for sure if a jetting change is needed). We do work with CV-Performance.com and you may get some good info from them. If it is running good, no stumbles, it would seem you are dialed in. With your bigshots, use the TTI's at the link below. They will improve your low and mid range power, also will reduce the decel pop some. www.dkcustomproducts.com/thunder-torque-inserts-c57-241.htm

Thank you! Appreciate your comment. 👍

Sounds like you have your bike dialed in for you and like it would be a fun bike to ride! Thanks for commenting! MB

Thanks for watching our videos, and glad you are enjoying them. Yes, the Thunder Torque Inserts™ will reduce/eliminate the decel pop. You will have more low and mid range power, so you will not need to twist the throttle so much to get the same forward movement. So you should have less of a gas smell. Don't know what, if anything, you're running for a tuner...but if there is still any gas smell, you may still be a bit rich. But the likelihood is that it is just incomplete combustion, due to the reversion, and will probably be gone once the TTI's are installed.

@@DKCustomProducts Thanks Guys for the quick response, i will order the TTI's and think about a tuner after the TTI's are installed. What tuner would you recommend

@@deanmcalpine3678 I think you will be well pleased with the benefits you get from the TTI's. For a tuner, it depends on what you want and your budget. If you are happy with your bike and are not doing more than a Stage I and want to get the best bang for the buck, the FL-VIED is the most benefit per dollar spent. Top of the line Tuner with ability to handle all upgrades is the Power Vision. If you like working with your Smartphone and want to do a Stage I or a Stage II and get great tune, the FP3 is good. You can see all three tuners at this link- www.dkcustomproducts.com/efi-tuners-c74-241.htm And there is a good Article/Report/Overview of all the popular choices at the following link. I would recommend reading it and then making an informed decision, based on your desires and budget. www.dkcustomproducts.com/overview-of-efi-optionsxied-piggy-back-flash-tuners-dyno-ov-efi-opt.htm

Thanks for the comment...don't understand what you wrote, but glad you're here.

Yes, that is all we used to do. When dragged into the EFI world (kicking and screaming) it is very different. Can't really read plugs on an EFI bike, especially with the new gasoline.

@@DKCustomProducts ahh good to know, I have never messed with EFI, people think I'm crazy for wanting carburated bikes, but I understand and can physically can see what's going on with generic tools..... I know, I know... I'll come around to messing with EFI at some point with motorcycles lol

Copy and pasted from our Harley Exhaust Report: Decel popping does Not damage your engine...it is simply unburnt fuel that is burning in the exhaust tract after exiting the engine. Decel popping is NOT indicative of a bad tune. Decel popping occurs when one of two things are present. 1. The bike is so lean the exhaust is superheated and is burning the unburnt fuel that is in the pipes (there is always some unburnt fuel in the pipes no matter how lean). This is very rare. 2. The AFR IN THE pipes is just right to burn the unburnt fuel. This is quite a common occurrence when free flowing pipes are installed (whether or not a free flow A/C is installed). It can also occur if there is an exhaust leak that is introducing extra air into the exhaust tract. You can see the entire report at this link- www.dkcustomproducts.com/harley-exhaust-myths-and-facts.htm Since you have removed your baffles, if you will put some Thunder Torque Inserts in them, you will get a little deeper tone, and you will have a very nice bump in low and mid-range power. You can see them at this link- www.dkcustomproducts.com/thunder-torque-inserts-258-model-family-dk-tti-258.htm Feel free to email or call with any questions. support@dkcustomproducts.com 662-252-8828

Dunno what you mean by really high rpm...careful of that valve train.

Interesting. Good point. Plug wires are not all created equal, and some will cause less burn in the combustion chambers, putting more unburnt fuel into the exhaust.

Travis, you didn't mention what brand of wires? If they're Screaming Eagle, it's because they are not that good. Not my opinion, but a FACT. Plug wires are rated by OHMS PER FOOT. Most wires are not much better than O.E.M., but they sure are perty. Find some rated at 50 OHMS or less, and I guarantee you that you'll be glad you did. Always put a little dielectric grease on the inside of the boots, and be sure to check that the spark plug nipples are tight, if they're threaded. Copper anti-seize on the threads, NOT aluminum. Yes I'm a Harley Engine Builder and Dyno Tuner. Good luck brother. T.S. RACING

@@t.s.racing I'm not sure what brand the old cables were, but the new ones are the SE brand. I was in a pinch because the old cables broke and I needed new ones. So far they've been good, I've had them about a year. My spark plugs are 3 years/17,000 miles old. Recommendations on better cables??

For under $50 you can get some Thunder Torque Inserts™ that will bring back your low and mid range Torque, PLUS some! I would give that a try first and see if you are happy with it. The 2-1 may bring back the low and mid range almost to as good as your current 2-2 with TTI's. Of course, the 2-1 with a TTI would be even better low and mid range Torque...but only you know if it is worth $1000 to you for that little bit extra. Check out this vid on the subject- kzfaq.info/get/bejne/pthmrZNhzLKZiZs.html

@@DKCustomProducts Thanks for getting back with me.. Which TTIs would I order for my V&H Big Radius 2 into 2 exhaust ?

@@FreeSwimmer Double check the chart below, but I believe if you leave the baffles in you would need the 158's and if you remove the baffles you would need the 258's. Link to chart here- www.dkcustomproducts.com/media/wysiwyg/tti_size.jpeg For any help with the chart, give Dwayne a Call or email at 662-252-8828 or Support@DKCustomProducts.com

@@DKCustomProducts Hello there. I just ordered the TTIs #118 x 2 for my 1 7/8inch Big Radius 2 into 2 exhaust.. I looked all over for discount code but no luck. I have got tank lift / 2 - 606 Stg 1 w EBS / and these TTIs.. You have parts I can make myself, however your service and quality manufacturing is money well spent. Perhaps we can do a before and after TTI video ? Let me know.. I have a local Tech that is awesome and we could be ambassadors of DK Customs if you like ?

Thanks for watching and the questions. We're not familiar with that engine....dunno why you had trouble starting it...could have been very cold, could have been some bad gas...not possible for us to know without being with the bike. You might be a bit rich, but a blue flame out open exhaust is not uncommon, and is not indicative of a bad tune. I would recommend looking at the Thunder Torque Inserts™ at the following link. It will run stronger, and have a bit deeper exhaust tone. www.dkcustomproducts.com/thunder-torque-inserts-c57-296.htm

@@DKCustomProducts thank you just got the bike back from dealer they re did the carbs cleaned them etc and it is cold here in Canada plus 4 yesterday and today is minus 1 just fired it up again. Was hard starting had to use choke and little throttle to keep it going until it could idle by itself

@@jacobboyko888 Was it cold before the dealer worked on it? Did it run like this before the dealer worked on it....if not, then I would suspect they have some more work to do.

@@DKCustomProducts no the bike was back to them 3 times I bought the bike from then last summer at the end long story short all it would do was fire and quit and wouldn't run evertime I went to pick it up it would run good then I'd get it home and it would be back to the same thing . This is the first time the bike had been running and that I've been able to start it etc. I live on the farm so it gets parked in the garage. And yes the bike was inside when they worked on it what are you suspecting ?

Man, did that not make the edit? We did talk about it...always check for exhaust leaks...leaks at the gasket or where the mufflers slip on to the headers. Like Drew says, if air is being introduced at either of those places it will change the AFR in the exhaust. Great comment! Thank you.

Good to hear you have dialed in your 107. Yep, the heat generated to meet epa guidelines is a killer

Installing the TTI's will give you a boost in low-mid range torque. If you are not experiencing decel pop installing the TTI's can cause decel pop because it changes the AFR. Decel pop is not bad for your bike. If you do not like the decel pop you can get the bike tuned so that the decel pop does not happen. Here is a written report on exhaust that you may find useful/interesting - www.dkcustomproducts.com/harley-exhaust-myths-and-facts.htm Here is the link to the TTI's if you are interested in reading more about them- www.dkcustomproducts.com/catalogsearch/result/?q=thunder+torque+inserts Please feel free to contact us with any questions; Support@DKCustomProducts.com 662-252-8828 Thank you for commenting! 😎MB

@@DKCustomProducts Well I spoke too soon. Went for a ride today. I can definitely still force some serious decel pop on a hard down shift. Gonna give the TTI’s a try ASAP. Thanks guys!

You are most welcome! Feel free to contact us with any questions you might have; Support@DKCustomProducts.com 662-252-8828 Thank you for your business and for commenting! MB

Yep, sweet HD sound! 👍

👍 Thanks for sharing!

Interesting, I don't think we've ever specifically recorded anything for decel pop sound. But there is some in this video, around the 4 second mark... kzfaq.info/get/bejne/a9x6o5eTnd61fZ8.html And then a lot more thru out this video - kzfaq.info/get/bejne/mrt4jbqFsNbGknU.html

@@DKCustomProducts thanks!!

I need help on my vstar can you help ?

Yeah, that is a completely different thing, and it is usually indicative of the carb needing some attention.

Appreciate your business, great to hear that you have the bike running how you want! 👍

Yeah, they're sort of counter-intuitive. Their thinking is that folks want to get rid of the decel pop, so you choose how much you have...just a little is one firecracker, medium amount is 2 firecrackers, a lot is 3 firecrackers. The more firecrackers you choose, the more fuel they add in at zero throttle, changing the AFR so reduce/eliminate decel pop.

popping on acceleration? Is it out the exhaust or the air cleaner. If out the air cleaner, that would be indicative of a too lean condition. If out of the exhaust....I do not know, but that is extremely unusual.

@DKCustomProducts seems out the exhaust to me usually at higher rpms if I get on the gas pretty good or something like that but doesn't happen all the time on a 100mile trip or so may do it 10 times or so

Generally, when you have afterfire it is from an intake or exhaust leak, or from running to rich.

Good question. Decel pop is not bad in and of itself. However, on a carbed bike, the likelihood of it needing to be rejetted is high. Also, you are going to loose a bunch of low and mid range torque doing that, unless you put some Thunder Torque Inserts™ in those empty slip ons. See a video about that at this link- kzfaq.info/get/bejne/pthmrZNhzLKZiZs.html

LOL!

Reduce the amount of fuel during zero throttle. For about the last 7-8 years Harley has been putting more fuel than needed during zero throttle, because most folks don't like decel pop, so they are doing that to reduce eliminate the decel pop.

@@DKCustomProducts I love the sound of decel pop as I slow down to a stop

@@jayalexander8027 Yep, me too. A pity that Harley tuned that out of the bikes in recent years...but we a little work/experimenting, we can get it back.

With the Samson pipes I have, the tails are removeable and we put them right at the end of the pipe, before the tails. You can see and hear in this video- kzfaq.info/get/bejne/fdt5mq5e18mWo2g.html On Fishtails where the tail is not removeable, sounds like you are doing the best you can.

@@DKCustomProducts no I didn't have Sampson pipes. I have 36inch slip on from vtwin. So what are my options. I read on tab performance we can put them on header pipes. I am confused now. www.tabperformance.com/Reduce-Back-Pressure-Exhaust-s/203.htm

@@sikhbikersoflondon The closer you put them to the end, the better. If the middle is the closest you can get, they will definitely help. Reversion begins at the very end of the tail pipe, so the closer you are to the end, the faster your exhaust gas velocity will be (which is good for performance). Having them in the middle will stop the reversion in the middle, which is MUCH Better than not stopping it at all.

@@DKCustomProducts thanks a lot for confirmation.

Use some TTI's. The will change the AFR in the exhaust, by reducing reversion and increasing exhaust gas velocity. This will improve power and reduce/eliminate the decel pop. More details on them here- www.dkcustomproducts.com/thunder-torque-inserts-258-model-family-dk-tti-258.htm

You cannot do better than the advice from Hammer Performance on one of their kits. A general rule of thumb is that if it pops out the pipe it is too lean, if it pops (farts) out of the carb it is too rich. You can fool around with the jetting and go by the seat of the pants, or you can put it on the dyno with some sniffers and see the actual AFR at different throttle settings and loads.

@@DKCustomProducts the reason I dropped a jet size is because I had raw fuel accumulated on the tips of my pipes. So I now have dry pipes but the "milk jug" thump so I'll play with the air screw a little and see how it goes.

@@6sillygtivr Good deal.

Assuming a baffle hasn't come out, most likely you have an intake or exhaust leak. If it still runs well, go over the exhaust first and go from there. Thanks for commenting! 😎

I suggest you call V&H and let them know what bike you have, what is installed on it, what tune you're using, and what tune they recommend.

@@DKCustomProducts I've tried but no one ever answers the phone.

@@naturalforlife6741 Well, that's a bummer. We usually have no trouble getting them on the phone. Anyway...here is what you can try- Hook up your FP3 and reload your original tune. Start it up, let it run 10-20 seconds. Then clear the codes. Then reflash the tune that you have run successfully in the past. It does not happen often, but sometimes a tune will get corrupted and it just needs to be reflashed.

@@DKCustomProducts Thank you I will try this.

True that on carbed bikes, more often than not. EFI bikes, not so much.

It certainly does affect the AFR in the pipes, as does shape, diameter and many other factors.

It surely can. 👍

Just a fellow rider, but I would believe carb as well. They are both fuel delivery devices.

Yes, decel pop works the same in the exhaust on carbed or efi bikes...if you don't like it, you can put in some TTI's to reduce it (and get more power). Tuning it out on a carbed bike is not as easy as and EFI bike. ALSO...BIG thing to be aware of. There is a difference between decel pop (comes out of the exhaust) and carb farts (comes out of the air cleaner). Two totally different pops. Carb farts ARE indicative of a bad tune. Generally only happen with carbed bikes, very few EFI bikes will pop out of the air cleaner.

@@DKCustomProducts had a shop tune the carburetor on my 95 sportster and it now gets less power to the wheel and has carb farts as well as sometimes flames backfire through the air filter sometimes see flames or smoke come out of the air filter. Definitely was a bad shop to give $400 to

@@tonynewsom9244 Yep, good tuners are few and far between!

Yes, I like the sound that is a mix of a burble and a cackle. A steady stream of sharp cracks, or what sounds like a backfire, is not pleasing to my ear. But everyone has their own sound that they like. 👍

We have done no testing on your bike. Can't say why it is popping. Could be rich, could be lean, could be dead on a great tune.

Cool, glad you're bike is running well and you are enjoying it.