Another exhaust question...

\\Mike_Lea// · Post by **\\Mike_Lea//** » Sun Feb 25, 2007 12:28 pm

I've been toying with the idea of fitting a y-piece and or a y-piece and new end-can.

Based upon the the cost, and from reading some other posts, I can quite make my mind up as to whether it's worth while.

Any of your out there have either a y-piece with stock exhaust or y-piece and aftermarket can, are the gains really worth it?

Having spoken to someone recently they said that the y-piece makes a real difference to the mid-range and ride 'feel'; making the bike easier or less frantic to ride.

Comments?

It's my understanding that the y-piece can be fitted with the stock exhaust without any 'other' changes... Does that follow when fitting an aftermarket can, like a Remus Revolution for example.

It's just one of those mods that I can't quite make my mind up about. Am I skilled enough a rider to appreciate the differences or will it be more of a placebo effect; if you catch my drift.

Any help appreciated.

M

Rog(UK) - Yorkshire Dales · Sun Feb 25, 2007 1:47 pm

Hi Mike,

I fitted a y piece to my Rockster and it has the original silencer.

Apart from it having slightly more crackle and 10 or so fewer pounds to carry around, there is really not a significant difference. The exhaust does, however bang occasionally if i am using the engine to slow down from higher revs and i don't like this. I am thinking of putting the original cat back on and putting up with the extra bit of weight - which incidentally is low down anyway, so, again, it doesn't make a lot of difference.

It's a case of what YOU are wanting.

Ride safely,

Rog

\\Mike_Lea// · Post by **\\Mike_Lea//** » Sun Feb 25, 2007 3:30 pm

Actually, I heard a couple of stories about the backfiring.

Someone I spoke said that you need to ensure the fit is airtight, using some form of sealant I suppose; whatever that might be. Otherwise when you roll off the throttle, BANG, there it is...

I suppose the reason I'm thinking about it is the possibility of a good improvement; whether that be performance, looks etc. etc.

Judging from what you're saying, the y-piece hasn't been a good experience.

M

478cc · Post by **478cc** » Sun Feb 25, 2007 4:45 pm

Popping and backfiring are caused by air leaks. Use silicon sealer, bathroom or window when assembling, it dries clear and can't be seen. Mine has never popped or backfired.

Didn't really notice any performance gain with the y-piece and standard silencer, but it does sound a lot better, more of a growl to it when overtaking.

Rog(UK) - Yorkshire Dales · Sun Feb 25, 2007 5:25 pm

Hi Mike. Yes, i think i posted about making sure the exhuast /t piece was well sealed...... er... i haven't quite got round to that job

Rog

riceburner · Post by **riceburner** » Mon Feb 26, 2007 8:11 am

I found that using the Y-piece with the standard can melted a hole in my LH pannier.

What I think happened is that the y-piece liberated the system, allowing the hot exhaust gases straight through to the can, where they were trapped by the baffles and thus the can got hotter than it would with the cat in place (the cat would trap and radiate some of the heat energy before it got to the can).

The upshot was that the gases coming out of the end of the standard can were hot enough to melt a hole in the very end of the back face of the pannier - note the pannier was NOT melted where it is close to the can, but AFTER the gases had come out of the exhaust. (I will put a photo up sometime).

Tripton · Post by **Tripton** » Mon Feb 26, 2007 11:44 am

Are the gains worth it? They are for me.

I paid about $500 total for a total Staintune system, and have had the Two Brothers as well.

The Two Brothers Was loud as hell, but seemed to really free her up, it reved easier and felt SLIGHTLY quicker. It also would hit top speed more readily and rapidly, perhaps even adding a few to the top end. (About 133-5 indicated.)

The Staintune is much quieter, and to be honest, I wish it had a bit more bark. It sounds better than the Two Brothers, and I cannot possibly imagine a situation when it would be too loud, and your neighbors would have be be real asses to complain about it. The quality is fantastic, oodles above the rivited aluminum turd that i bolted on the bike before. I havent made any real performance runs or top speed trials with my new (to me) staintune, the roads have not been favorable.

To each his own, some dont like the exhaust, some do. Just listen to it and if you like it, to hell with those who dont. Keep an eye on ebay for possible deals.

You will NEVER make it as loud and obnoxious as a straight piped harley, so that is not even a comparison, AND contarary to what many say, (that the boxer twin sounds like a long series of wet farts) I think that it is quite possible to make these bikes sound not only distinctive, but really good.

fnfalman · Post by **fnfalman** » Mon Feb 26, 2007 1:10 pm

Get the Remus Revolution and leave the baffle in if noise is a problem. Even with the baffle out, the bike barely makes any noise. And backfiring is not just from leaky connections alone, it's from the bike running too lean. Have somebody who knows what they're doing adjust the air/fuel mixture to get the popping and backfiring out (it involves the use of a gas analyzer).

And why on earth would anybody want to retain the use of the stock exhaust is beyond me. If one were to go through the hassle of ditching the catalytic converter for the Y-pipe, then why retain the asthmatic and boat anchor weight stock can?

Tony D · Post by **Tony D** » Mon Feb 26, 2007 6:29 pm

Hey all,
Pulled the catalytic converter and installed a sebring Y pipe. It of course back fires (I'm waiting on new exhaust clamps in the mail). My question is;
Any idea if I will encounter any problems mounting a staintune exhaust system to the sebring Y pipe?

Thanx
Tony D

riceburner · Post by **riceburner** » Tue Feb 27, 2007 4:19 am

fnfalman wrote:Get the Remus Revolution and leave the baffle in if noise is a problem. Even with the baffle out, the bike barely makes any noise. And backfiring is not just from leaky connections alone, it's from the bike running too lean. Have somebody who knows what they're doing adjust the air/fuel mixture to get the popping and backfiring out (it involves the use of a gas analyzer).

And why on earth would anybody want to retain the use of the stock exhaust is beyond me. If one were to go through the hassle of ditching the catalytic converter for the Y-pipe, then why retain the asthmatic and boat anchor weight stock can?

I've found that not having the CCP in place (none of my bikes have ever had one as far as I can tell) means the bike is ok for running lean/rich. I always make sure the exhaust sensor is in place though.

reload · Post by **reload** » Sun Mar 04, 2007 8:06 pm

I have a sebring y-pipe and a cheap (left over from a previous bike)supertrapp slip-on.The bike sounds like it looks, which is fun.I noticed an improvement in power.

DYNAMICS · Post by **DYNAMICS** » Wed Mar 07, 2007 2:36 pm

Riceburner

A Rockster rider I talked to a couple of years ago said he had the dealer fit a Remus Y piece and rear silencer. After a while he noticed a hole appear in the left side pannier! The dealer removed the Remus silencer and replaced with the standard silencer, they also replaced the holed pannier and he had no further problems.

Strange... I suppose the dealer would not have had the panniers at the time of fitting the exhaust, and there could have simply been some contact when the owner fitted the panniers later. Or would a fitted/removed control module cause high engine temps?

There are a lot of people running the Remus y-piece and silencer combination, and I am sure a lot of those people ride with panniers, so I am thinking his problem was the silencer was simply to close or touching the pannier.

My Rock has the Remus Y-Piece with the standard silencer, and I have noticed that the left pannier has a square of heat reflecting thick foil on it where the exhaust is close to it. Who else has this square piece of foil?

Brian.

Post by **DJ Downunder** » Wed Mar 07, 2007 4:57 pm

Who else has this square piece of foil?

Me...

DJ

DYNAMICS · Post by **DYNAMICS** » Wed Mar 07, 2007 6:57 pm

Hi DJ.

I thought it might have been something the dealer fitted as a bit of insurance so that the owner didn't hole another pannier.

I hope there are no problems fitting a Remus silencer to my Y-pipe whilst using panniers as this is something I was thinking of doing.

Riceburner
Where about did the pannier get holed?

I will want to hear a Rock with a Remus silencer first though, as I don't want to go too loud, as I think it sounds nice and fruity now with just the Y-pipe and standard silencer.

Brian.

Post by **DJ Downunder** » Wed Mar 07, 2007 8:46 pm

Quote:
Who else has this square piece of foil?

Me...

DYNAMICS... My case is the full size left that's off the RT (it has the lowered exhaust)...are you talking about the standard left case having the foil?

DJ

MIXR · Post by **MIXR** » Wed Mar 07, 2007 9:29 pm

My stock 1150 R cut-out left case has no heat pad because the exhaust can runs between the case and frame. My replacement full-size 1150 RS case has the heat pad because the exhaust runs underneath the case on the RS.

My full-size left case and can-less exhaust doesn't need any heat protection because the short tip directs the hot gases down and away from the wheel and case.

DYNAMICS · Post by **DYNAMICS** » Thu Mar 08, 2007 6:25 am

Yes, it is my standard R1150R left case which has a foil square stuck to it, vertically in the cut-out where the silencer sits close to the pannier.

I use the same dealer as him, so it may now be a cautionary modification they carry out.