I was offered a Jha full system and a Dog Fight full system for same price. its for my 92 SE

Jha: black header and stainless steel end can, no dent, minor scratch on end can

Dog Fight: black header and blue end can, no dent, minor scratch on end can

so if you were me, will you take the jha or DF, and why?

any input is appreciated, thanks a lot

I think most people will go for the JHA pipes as they are very well known and have a good reputation.

Looking at both sets of pipes the JHA's have a much larger chamber which I found on my '21 didn't fit the fairing.

The Dog Fights, I think are just as good. The welding is as neat and the chamber is slimmer. They also have a nice little bracket under them which bolts the two chambers together where the JHA's don't. I also think the Dog fights fit much better.

The main criticism with the Dog fights seems to be there power. They are quite critical on set up.

Personally, now having run both sets of early and late JHA's and Dog fights, I would go for the Dog fights.

These graphs show the Dog fights on a stock '21 motor with open carbs and HRC jet kit, back to back with the '21 F3 motor also running Dog fights.



These are the Dog fights fitted with HRC cans. The JHA finish quite abit higher.


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If I have to take the carbs off once more...

Having owned both sets of these pipes on my MC28, here is what I can say...the newest JHA (304) pipes are made from stainless and have really BAD welds, I mean these welds are so bad I can probably weld better than them and I am not joking or perhaps they were training a new welder on the set of pipes I bought from them. The DFR pipes have really nice welds, cool silencers (Millenium) fit very well and have that cool locking mechanism under the pipes body with makes it very hard for the pipes to move unlike the JHA pipes which start to flap around after one year or so. The Jha pipes did not fit that well with the stock bodwork, but came with a spacer and a bracket that once I installed fit very well. The JHA pipes made way more power than the newer (at that time) DFR pipes and had stainless bodies, but now I have heard that DFR is selling a whole new set of NSR pipes in stainless with carbon silencers. It's hard to decide, on looks I would go with the DFR pipes, but performance I would go with the JHA pipes, on customer service and quality DFR for sure.....if you want to build the fastest NSR you can, go with the JHA pipes.

hey hksar
any chance of getting a contact for the other set of pipes. at this point anything has got to be better than the standard pipes on my bike. perhaps you could buy both sets and I will take the others off your hands.


Tom
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