Agree on full exhaust. Not just Moore Mafia. 2WDW and Vcyclenut (did my ECU), both found no gains vs the slip-on. Vcyclenut may have a video coming using a Hindle full system that may be a game changer. I tracked my ZX4RR bone stock... I lied... had the Zero Gravity Double Bubble on, and had way more fun on than any of my other bikes (2020 ZX6R, 2021 R3, 2022 Ninja 400). Have fun. Stay safe.
When your friend recorded you revving your bike and riding (with the thunder Coffman) in an under pass, I instantly new Coffman was the way to go. I don’t have a zx4rr yet, but when I get one next summer it’s gonna be what I put in as well it’s awesome. I
Thank you. I've been looking for a good exhaust and was considering Coffmans. This pretty much seals it. I'm gonna put the classic on mine. Never liked the Graves versions. Does the green tip actually match the bike? It looks a tad off color
Have you noticed any power loss throughout the rpm range with the Coffman's? I'm about to purchase one for my ZX-4RR but can't find a whole lot of data to verify.
That green tip is no bueno. Other than that sound is good. To your point on the full vs slip,; potential weight savings with a full vs oem full? Maybe not unless you're doing full Ti...and u just paid 5 figures for a 400 so prolly not Ti lol Man, the first thing i do on any machine is exhaust. What a racket...
ECU Flash by Chris Moore is best thing. He actual did exhausts on dyno. He did a full exhaust and graves slip on the slip on was better. See American 400rr has huge reduction in horsepower only 50 something European it makes 77hp. Anyways ecu flash fixes all the bull crap and think Chris got 74 hp in hot temperatures. Only like $300 bucks for almost 50% more power name of Chris’s company Moore Mafia. Has utube channel called Moore mafia check it out u can watch what I said.
In most cases, you are correct. This bike is very limited on power, even with a tune. I don’t tune but Chris Moore at Moore Mafia is considered an expert tuner. Even he was unable to see a difference in hp between a slip-on and full system.
@@frank2915 Actually, not specifically this slip on however, the flow is the same as the graves. The only thing that would change is the baffle being removed. However, Moore Mafia does the tunes and there’s no difference on slip on’s with the tune. If you’re worried about one or two extra horsepower, I wouldn’t own this bike. This is not a powerhouse.
@delrider7980 no worries. I was just wondering if someone has actually tuned with that exhaust specifically. I'd be interested in seeing a video of it held at a cruise and also at a pull (similar to a dyno) to hear how it drones.
@@delrider302 bruuuuuh you said nothing for weeks. I’ve got a ZX4RR still in the crate at a dealer I’ve been mulling over but also considering a zx6, I just am concerned about the ZX4RR price once the single r comes out and how it will hold value etc. but I do kinda want to scream around at 35mph like it’s 60. 😂 what you want for your bike??
We can agree to disagree. The Coffman’s is a very well made solid exhaust tip that sounds WAY better. If you want an overpriced, heavier, non-adjustable, bulky slip on, you’ll love the Graves. Regardless, anything is better than stock.
