MRD or RS2? Others?

[miracle bubbles]

I was going to start a new thread about RS2 vs MRD, but WTF. I want a RS2 because it is a Yoshi exhaust. Suzuki = Yoshi to me. Everyone says the MRD is the shit. I'm making a list of stuff I need. What pipe? My neighbors are nice, but I dont want to piss them off. My 91 600f2 has a V and H exhaust and it isnt too loud. Help?????

feel free to slap this off to its own thread if need be

[camma83]

Mrd

[Lynk]

MB, if you want it, I'll be happy to sell it; I can't afford the full price of an SSW-MRD. I've got a pretty dialed-in jetting combination for the RS2/FCR-MX with stock cams - not just WOT, either. I'll be happy to provide the needle for when you buy an FCR.

The MRD is quite a bit louder than the RS2, which is considered to be a loud aftermarket option. The RS2 has a removable spark-arrestor, which also serves to quiet it down a bit. If you're at all worried about noise, this would be a much better pipe than the MRD.

BTW, I got it specially ceramic coated for performance and a stock appearance; seen here with the stock heat shield:

[PBMW]

Here's the skinny
If you are not going to big bore or go nutz on your motor, the smaller Yosh is just fine.
Pipes really come in a couple of classifications, production and race. A production pipe is mfg'd with costs being the determining factor not performance. The distance between bends is important with a DRZ pipe because it will effect the header length. Production pipes are machine bent. Race pipes are bent, cut and welded to get the length correct.
Our bike needs a tapered pipe. That is just more expensive.
That all said, I have an MRD pipe on mine. I usually run it with a quiet core installed. I have never even been looked at by the police. It is also easy to ride out of my neighbrorhood quitely. Just keep your hand out of it.
An engine is really a pump. The inake and exhaust are part of it. The FMF, Yosh RS2 and the like will flow about 45hp. The head and the pipe become the restrictions.
So really...it depends on what you are going to do with your bike. Some are perfectly happy to jet, 3x3, pipe and ride. Others are a little more given to excess. I may fall into the later catagory.

[SMGranny]

MB,
the MRD/SSW is the same cost as the Yosh RS2 and is a better pipe hands down. But yes..it is a quieter pipe but with the MRD you can get a quiet insert to put in it but it does pull power as does the sparky insert does on the Yosh.
I have the MRD/SSW on mine now and sold my RS2 and rejetted carb and I am very pleased with the results from the pipe.

When Lynk gets the files from yesterdays runs you will see where the MRD and the Yosh stand. From what I learned from riding my bike is my topend is now more pronounced and carries to the rev limiter alot faster. Now with the cams it is even more so. The RS2 keps the bottom where as the MRD adds to the topend and it even showed on the dyno runs yesterday where the RS2 has more torque but the MRD has the top....
Lynks bike is set up a lot like mine is but he has the Yosh cams and e base gasket. Mine has the hot cams stage 1 and the MRD/SSW and both have the fcr, 3x3 and they were close. Mine had 2+ more hp but that could have been from Lynks wheel slip issue but it does show mine has the top end

Yes the pipe s loud but while when leaving your home you just stay out of the throttle hard. Hell I have left my Apt complex at 5am and just keep it mellow until I hit the streets Even the RS2 is loud hen twisting the throttle as are most stock dirt bikes :thumbsup
--------------------------------------------

Coolies Lynk,

I will get you the dyno run from when I did the RS2 and rejet to compare mine to

Oh....... I think we should have a EPA clean up day in your driveway/carport ......... I know we wuld love to come help bleach it down

------------_______________--------------

Your are right PBMW ....

if your not going to go the BB route or more no need for the pipe but hey... it is the same cost as the RS2 .... and to me (woman's point of view) it's a deal. Get a better pipe for the same as the other one where you might need to replace it. Oh....andthen there's the 2 huge issues with MRD
1 Customer Sevice ....... Dave's CS rocks...and is second to none. The guy you speak with is the guy who builds your pipe un like Yosh where you get a run around.
2 Warranty............ I mean you crash and smash the ppie..he replaces it.....notone of the othe pipe manufactures will do that let alone replace a thing for free.
3 Oh and yes there is 3.......... It is made by a fellow ridier amd small business so yes I will support him.

MB...MRD also has anothe pipe he sells for the Z that is not as loud and you get the same service and warranty and is like the Yosh rs2 96db

[Eddie O'Dell]

If your going to buy an exhaust system for your bike then get the best.......MRD Pro Comp.
Then you will never out grow it, or you will always be able to continue mods in the future as time and $$ allows. If you dont, you will find your future mods will ALL be limited by one's hasty decision. Many times people will eventually find themselves going FCR, Big Bore,cams, etc. in due time, only to find that they have reached the limit of their earlier decision for a pipe and now they are NOT getting the full potential out of their recent purchases because they chose a quieter pipe long ago. Get the MRD and YES YOU CAN keep it pretty quite when you have to. I thought I had an unbeatable system with my limited edition Scorpion pro Titanuim race pipe, I WAS WRONG.

[PBMW]

Another thing...
I KNEW I was going to stroke my 436 in a year. And I STILL bought a set of Hotcams instead of RHC's. What was I THINKING??????????????
Bu tit all works out in the end though. My cams went into Debi's motor, so it wasn't like I lost a ton of money.

[Eddie O'Dell]

Another thing...
I KNEW I was going to stroke my 436 in a year. And I STILL bought a set of Hotcams instead of RHC's. What was I THINKING??????????????
Bu tit all works out in the end though. My cams went into Debi's motor, so it wasn't like I lost a ton of money.

Oh how true sir. With the cost of new bikes approaching the $10,000 mark for a freakin dirt bike, many people decide to just improve on what they have. Those that did not choose a good pipe early when they now know better, is too me like buying non alcohol beer, such a waste..........

[SMGranny]

Another thing...
I KNEW I was going to stroke my 436 in a year. And I STILL bought a set of Hotcams instead of RHC's. What was I THINKING??????????????
Bu tit all works out in the end though. My cams went into Debi's motor, so it wasn't like I lost a ton of money.

Me and my bike TY too....muuuuah

Oh how true sir. With the cost of new bikes approaching the $10,000 mark for a freakin dirt bike, many people decide to just improve on what they have. Those that did not choose a good pipe early when they now know better, is too me like buying non alcohol beer, such a waste..........

Ewww.....non alcohol beer .......... But he did say he isn't going to mod his bike like some of you/us..... I said the same thing when I bought my pipe but the MRD wasn't out yet it's on now....... more power

[miracle bubbles]

Thanks again for all the input!!! I'm starting to sway towards the MRD, but figured I should ask the pros.

[miracle bubbles]

Was just looking at the MRD site and saw this,

"Dave, how often do MRD pipes need to be repacked?

You should repack every 25 to 30 hours of hard usage. If you ride hard and often, you need to repack often - the packing not only reduces noise, it also isolates the heat from the muffler canister. Running the muffler empty will cause the aluminum to become soft and fail. Running the muffler empty also voids the warranty."

Do you MRD owners do this? How hard to do? Seems that could be a weekly project.

[Eddie O'Dell]

Was just looking at the MRD site and saw this,

"Dave, how often do MRD pipes need to be repacked?

You should repack every 25 to 30 hours of hard usage. If you ride hard and often, you need to repack often - the packing not only reduces noise, it also isolates the heat from the muffler canister. Running the muffler empty will cause the aluminum to become soft and fail. Running the muffler empty also voids the warranty."

Do you MRD owners do this? How hard to do? Seems that could be a weekly project.

Mr. MB,
This is just merely a common sense nomer. In that what he is saying coulda-woulda-shoulda- apply to all pipe /muffler canisters. He (Dave) is saying in("my words"), Dont just arbitrarily remove and or neglect the packing. When I received my pipe, I had taken the entire thing apart and improved upon it. I REMOVED 1/3 of the glass net within the canister. By letting the original packing either get to loose or NOT maintained will cause extra heat transfer to the outer peripherals of the can/mount. The MRD canister's will go far further than 25-30 hrs. The MRD Canister being modified for extreme high rpm flow is in my album. This winter we will undergo more mods to the MRD Canister or make my own and put it on Daves pipe......................

[Eddie O'Dell]

I would like to take a moment to clarify something about pipes here. First is the fact that when people begin to consider a pipe, they usually only see that pipes peak h.p. numbers. Most people will not be riding their Z's as if their racing it every and all the time while riding it as I do. Therefor, all the other 99% of the time spent aboard your Z your probably commuting, trail/woods riding, and just overall recreation play riding. The RS-2 and similar pipes DO offer gains up to a certain point up to about low to mid 40's h.p. Unless your goal is building an engine to get the absolute most power from it, then the RS-2 still offers nice gains in the rpm range where the bike is ridden most of the time. Again, if you dont take your built motor to the rev limiter almost every gear change AND are actually making power to the rev limiter, then the RS-2 will still offer an enjoyable riding experience over stock every time, all the time. If your looking to spend ## on an engine package that was designed from the outset to be revved high and extract all available power from all your mods, then the MRD wins. For Z's having 3x3's, carb kits, mild cams, K&N air filters, etc. then the RS-2 works fine....

[JoshV]

You can get the standard mrd. That is what I did.

[4literranger485]

well wouldnt the standard MRD run into the same choking problems that the RS-2 has with built motors?

And they are differing quite a bit in cost now. Just picked up a full RS-2 brand new for $419 shipped!

[PBMW]

No.
It's the head pipe that makes the power not the can.
The standard just has a different end cap on the can.

[JoshV]

NO the stadard is smaller than the ssw what is ok for stock displacement

http://i23.photobucket.com/albums/b3...v987/mrd-3.jpg

http://i23.photobucket.com/albums/b3...v987/mrd-5.jpg


How the hell do I make the pic show up ? I know you are supposed to hit the insert image but then what?

[Lynk]

No.
It's the head pipe that makes the power not the can.
The standard just has a different end cap on the can.

The "standard" MRD doesn't have a stepped header. As you know, the stepping helps the pipe scavenge the cylinder. I'm going to sell my RS-2 for $300, as soon as I get one final dyno session. I don't really want to get rid of it, but I'll need a lamda sensor pretty soon, and I didn't get a bung welded-up before the coating!

Anyone who's interested, the pipe should be ready early-to-mid December - just in time for Christmas!

[Eddie O'Dell]

I counted 6 diameter changes on mine, as Lynk said, thats how it continues to build power the higher you rev it.

[C~Style]

NO the stadard is smaller than the ssw what is ok for stock displacement

http://i23.photobucket.com/albums/b3...v987/mrd-3.jpg

http://i23.photobucket.com/albums/b3...v987/mrd-5.jpg


How the hell do I make the pic show up ? I know you are supposed to hit the insert image but then what?

sorry josh, can't fix this one, but i can tell you how to do it. click the quote button on this post and look at the information that is before and after the link to the pic.





so before the pic you need [img] and after the pic you need[/img]