Full M4 GP Exhaust System on 2019 Kawasaki Ninja ZX-6R

[@jaidenstone1181]

Had to subscribe, got the same bike and gp slip on, will be moving to full system eventually. Hope to see more from you! Might also have questions in the future.

[@irvingdiazbailon7299]

How loud is the slip on?

[@BackcountryMtnBiker]

19:10 is about the only time he gets on the throttle. Sounds really good. What is the top out for this bike after the exhaust? I have a 2021 636 and looking at putting this full exhaust on it. I currently top out at 156. Solid video man!

[@mcrockett8884]

Thank you. I haven’t had a chance to top it out yet. Every time I try, something gets in my way. I’ve had it up to 146 at one point before having to let off the throttle. But it was still climbing. Keep in mind that I also have the Power Commander as well. So that’s another variable to consider.

[@tooeztv760]

That’s about what I maxed out on my 2019 Zx6r

[@StreetPiratesTV]

@@mcrockett8884 I got 176 on mine. (On my channel) Also.. that power commander is useless on these newer bikes. It'll rob power from you.

[@chase332]

If it’s like my 2015 there might be a little plastic knob on the side of the bike under the frame that you can actually twist by hand to turn the idle up

[@Rインプ]

nice to meet you. I am commenting from Japan. I am also riding a 6R of the same model year. What manufacturer is the header pipe attached to this 6R?

[@shawnkurtisTV]

Question: I’m installing a M4 GP19 slip-on onto my 2021 ZX-6r and I’ll be eliminating the cat-converter along with adding the servo buddy. With that being said, is a flash needed? Does it ruin the bike in any way if I go without doing this? Lmk! Thanks.

[@mcrockett8884]

Well, if all you’re doing is installing a slip-on, then you’re not eliminating the cat, unless you’re also installing an aftermarket set of header pipes with a different collector pipe. A common misconception is to think that the cat is that giant box that sits in front of the rear wheel, but it’s not. Kawasaki refers to that as the muffler pre-chamber, but there is no honeycomb inside that box. The cat is further forward in the section of the header assembly that collects everything down to one pipe, just before it goes into the pre-chamber. Look inside that pipe and you’ll see the honeycomb. To answer your question, if all you’re doing is installing a slip-on, you don’t necessarily NEED a flash. But even if you were to do nothing to your bike, I recommend either getting a flash, or at the very least, installing a Power Commander V. Coming from the manufacturer, the ECU is programmed to starve the bike of fuel that it needs to run at optimal performance. They do this according to government standards to be able to sell the bike. But if you ARE deleting the cat, then you absolutely need to be doing one of the two things I recommended. Will it hurt the bike to run it without the tune? Probably not. But I wouldn’t take it to the track until it’s tuned. If you’re deleting the cat, you’ll also need to replace the OEM air filter with something that performs better and allows more air flow. If the flow out is improved, the flow in needs to be also. If you’re not deleting the cat, this is optional. But whatever you do, you need to tune to your specifications. And if after you tune you change anything to the intake our outflow, you should tune again to compensate.

[@YouKnowWendy]

Does the full exhaust keep the o2 sensor?

[@tooeztv760]

You might have to raise the idle when I first bought my Zx6r is used to do it when I came to a stop while riding but dealer raised the idle and it fixed it.

[@Hawk7886]

You can raise the idle yourself in two seconds while sitting at a stop light. The knob is on the left side.

[@bsm4875]

do you have a video of putting back the silencer/baffle?

[@PimpNick1980]

Sounds like you need to adjust your idle speed cable. Takes 5 seconds you can even do it while on the bike.

[@Viverino]

Hey, been having the same issue where if I'm in neutral or my clutch lever is pulled and I blip my throttle the bike's RPM are dropping almost killing it (sometimes succeeds) My bike has been dyno tuned and flashed, supposed to head back to my tuner this week and have him take a look but have been looking around for some ideas. Personally I feel its probably too rich down low which is making the bike flood itself with fuel until it can get enough air but have you found anything out?

[@Viverino]

Just to be clear with my issue: With the bike in neutral or the clutch lever pulled in, if I blip the throttle my RPMs will rise but then drop way past my normal idle of 1300 to almost under 1k which sometime kills the bike.

[@mcrockett8884]

No. I might try adjusting the AFR down below 1500 RPMs to see if that does anything when I get a chance.

[@Viverino]

@@mcrockett8884 Darn, well best of luck. Love the grey ZX and M4 combo!

[@mcrockett8884]

@@Viverino thanks, man. Let me know if you come up with anything.

[@YouKnowWendy]

Does the full exhaust keep the o2 sensor

[@mcrockett8884]

Yes.

[@JonahZX10]

Just purchased the same setup for my 2022, what flash would you recommend? If it’s a new bike I want everything to be professional. Is there any other mods that you would throw on a brand new bike? I will not be installing anything (engine wise) until after 800 miles still in break in period.

[@lowlife189]

Bauce racing - Moore mafia flashes are solid. Running the bauce on my wife’s 14 zx6 now. Pulls harder.

[@djbing845]

Where did u get the full exhuast system from?

[@mttmike]

what phone mount are you using? Could you share the link? Thanks

[@jimjamflimflam3445]

Does your foot hit the pipe when cornering in the twisties?

[@youwish3439]

I just got a 2022 650 lookin to put a full m4 on mine

[@mcrockett8884]

Nice.

[@Qbene69]

Is that the full system or just the slip on?

[@deontaetrott5752]

How much louder is the full system as opposed to just the m4 slip on?

[@mcrockett8884]

I wouldn’t know for sure, as I don’t have a ZX-6R with just the slip-on. However, with the slip-on, you’re still eliminating the muffler box. So it will still be dang loud. The only thing you’re not eliminating with the slip-on is the catalytic converter, which sits slightly forward from the muffler box. I imagine that the cat dampens the sound a little, but not a lot. So I assume that the slip-on will still be almost as loud as the full system.

[@maxgregg3769]

This m4 slip on actually deletes the cat

[@mcrockett8884]

@@maxgregg3769 this isn’t the slip on version. This is the full system. The full system deletes the cat, of course. However, the slip on version of this muffler does not delete the cat.

[@arshkhosa7204]

@@mcrockett8884 I want to get this for my 2021.. but will I need to tune it or do anything else?

[@kuraiwolf3647]

@@arshkhosa7204 I have the 2015 spec with the same setup, the engine is pretty much the same. You will need to get a tune or a fuel tuner, there's a dead spot under 4k , also on/off throttle is laggy af, mid corner it can be off putting

[@Hawk7886]

I'd caution against a power commander unless you're actually going to the track. It's really unnecessary on the street and often introduces issues, just like you experienced in the video.

[@Howzer1776]

Knew you were a fellow utahan

[@bmwmike3534]

I came here just to tell you to clean your garage 🤣