Archive of BMW Motorrad Club Cape (2006 - 2019)

Yes clearly mine will differ. The first point is why would it matter to you if the pipe is loud or not, do you get frigging annoyed at trucks or construction vehicles, taxis hooters , hawkers shouting at the robots,your kids taste in music ,wars or fur coats. I have been riding for 18 years. I currently have six motorcycles some quiet, some loud, some powerful 1200 cc and some less powerful 650 cc. I find the delivery of power to be far more even on my aftermarket pipe in all gears making a huge difference to the ride. I also like to focus on the sound of my motor. The people at your work that you spoke to (clever or intelligent) did they do any research into the subject or was it just casual chit chat. Is the gunshot louder if the gun is pointing at you or away from you? I have also been driving a car for 20 + years and allow me to finalize from that point of view. If I were travelling in traffic on a freeway and there happened to be a motorcyclist travelling at around the same speed next to me but in my blind spot with a silent cycle I would not be aware of his precence and might change lanes in haste to beat the traffic, however if he had a loud pipe on the bike I might be frigging annoyed but I would be aware of his position or at least not move over until I identified where the noise was coming from and I might spare his wife the agony of identifying his remains. As happened to a close friend of mine. So does the loud pipe annoy you or does your opinion of the loud pipe annoy you? Ride Safe Ps my wife wears a fur coat.

I ride and enjoy motorcycles for many reasons. Allthough constantly aware of the risk and possible effect a serious or fatal accident might have on myself and my family, I still enjoy it. This feeling of joy comes from (I think!) my brain processing the inputs from many senses. What we see, feel and hear is reworked and ultimately contributes to a possitive or negative experience. It seems that ,as we are all differently "tuned", our senses plays differant roles in this feeling of happiness. For some, the "feeling" sense might be enhanced with what we hear, etc. For example, I enjoy riding dirt roads as it brings me closer to nature and the environment. I therefore prefer to ride slower to enjoy the environment more. Obviously, there are riders that enjoy the opposite. On loud pipes, I am somewhat in the middle. The sound of my Dakar, with standard pipes, does not add to my "feeling" of joy. I recall I trip to Anysberg last year with a very loud Dakar in our group which were again much too load for me. More power? The exhaust system is restricting airflow which adds to the internal losses of any engin. "Freeflow" exhaust systems should reduce this loss. However, most engins are designed to operate optimally with a set value of "backpressure", coming from the exhaust system. (The high and lower pressure pulses inside the exhaust generated from the pistons actually need a bit of backpressure to flow effectively.) Too "free flowing" hot air might even reduce life cycle of valves. (burning torch effect). For this reason the fuel mixture should be adjusted richer. I would be reluctant to make drastic changes to a fuel injection motor, as a BMW On a moving sound source: The sound from a moving source will always sound differently as heard from a static point "coming towards you and leaving" as the sound waves is effectively shortened (while approaching = higher frequency) and lenghtend (while leaving = lower frequency). On slow speeds though ,this difference is close to zero. Blik--m - Dit is genoeg gese. Klink soos 'n masjiengeweer as ek oor my passie beging gesels. Groete Jaco ps. Donald, how is your knee doiing

Loud pipe on bike/car is very much a man-thing, in my humble opinion. Yes, a free-flow type should increase the power (many conditions apply, eg backpressure), but as a percentage so little that it approaches insignifigance. Saving weight due to lighter construction (less steel, no catalytic converter etc) probably has more effect on performance. Anyway, my GS carries a Leo Vince, and I love the sound. Purely man-thing, no other explanation. A rattlefree car feels quicker than a car with rattles. Does the rattles cause a loss of power? No! It is the driver that uses less rightfoot pedal, subjectively keeping the sound of the rattles down. On this man-thing: Check out how many sub-2000cc cars (and bakkies) Golf/Tazz/Corolla/Honda/Corsa/etc are running around with loud exhauste en fancy low profile tekkies. En as jy daai ouens so sien ry - super performance vehicles! Niks en niemand kan by hulle hou nie! Het die xhaust of tekkies die kar meer krag gegee? No ways! Dis net die man-thing wat daardie jong man 'n ego-boost gee. En om te bewys dat sy xhst en tekkies die verskil maak, ry hy altyd top-revs. Die enjintjie skree dat sy kleintongetjie bewe! Need more power? Upgrade the bike. Need something for the man-thing? A xhst could do it. I remember buying a Golf GTS many years ago. I reasoned that the slightly loud exhaust should keep my top speeds down (I became bit gatvol of speed fines). To my surprise I found the sound of the GTS so lekker that I cruised at much higher speeds that I planned. Purely a man-thing, I tell you!

Just the reaction I expected and hoped for. We are all different , and therfore extract out of life which pleases us most. Flipper, this topic must be close to your heart, it has clearly touched a nerve. This was not the intention, but your opinions are absolutely valid, as are mine. But just for facts and figuers sake, I have riden for 30 year and have done well over a half million km's on 25 different motorcycles. I drive a car, same spes as with bikes. I ride to work with my GS1200 EVERY day in the traffic. I have never fitted an aftermaket pipe on my bikes, so mabe my oppinion does not qualify, but I do hear others. Having said that, my Transam, Mustang and AC Cobra all had lovely deep sounding exhaust notes, but not realy load. And you observation was 100% correct about casual chit chat, the only difference is this was done by a group of engineers scribling facts and figures an a white board over lunch, they must know something(I hope). As for the gun thing, if it was pointing at me, I might never find out. Relax, tell your wife to trade the fur coat in for a good synthetic riding outfit. Just kidding.......... Jaco, I too am overly aware of the dangers that surround us motorcyclist. I don't think a day goes by when I don't think of the consequinces, particularly because my wife rides pillion often. Yes, I remember the loud dakar, in all the quiteness of the Karoo.........now that was frigging annoying. My knee is almost as good as new, no red route for this years GS Challenge though. I have to settle for the greenest route possible, cannot afford (financialy or phisicaly)an off. Also I get my new Adventure tomorrow and would hate to wreck it quite yet. GeelKameel, Hi. I also think most of our decisuions are driven by "the man thing", it works for me. Anyway guys, it is realy good to hear the oppinions, Thanks. Donald

Aaaaaah , poetry, music , motion. Freak and proud of it! Bad but damn good at it! Freakonaleash is so loud dogs pee when I go past. Everything in life has pros and cons, each to his own. Freakzorst I RIDE THEREFORE I AM!

My ou Toyota bakkie ry defnitief vinniger, gladder en lekkerder nadat hy skoon gewas is ..... (Let wel, onder geen omstandighede sal ek na een van my voertuie as 'n sy verwys....)

LOL No worries Donald a good debate always fun no nerves struck. Glad to see you have such good taste in cars.Cobra not load were are those engineers? Freak you pipe is so loud dogs in the next town pee. You know what the engineers say loud pipe small....

Hey Freekonaleash It was your Dakar that I rode on a demo, two K's up the road I had to turn back because I thought I wet my pants, and then bought the 1200 instead, remember? And about that big hole you photographed, is that the one that faces forward so people can hear you comming, or the one that faces backward so people can hear you going? Donald

Doppler effect The change in sound of a sound source approaching you and then moving away from is called the doppler effect. Sound waves are like the waves caused when a stone is thrown into a pond. The sound moves steadily away from the source. When the source (the LOUD leo-vince) is moving, the sound waves is compressed in the direction that you are moving, and it is stretched behind you. Thus the different sound when a vehicle passes you. You would have to go @#$$@ fast for there to be a real difference in the time the sound wave takes to reach a car ahead of you. Sorry for this "technical" section. Back to reality. The problem with the car ahead of you is that the driver is busy with: Cell, IPod, Mascara, etc, etc. The avarage car driver is busy with everything except watching the mirrors (using the mirror for mascara excluded). Using a loud pipe hardly helps for their absent-mindedness, it just anoys everyone else. Geelkameel, does your Leo Vince still have its spark arrester in? I have done enough miles with you to know that your bike is NOT annoying. We have had some riders on breakfast runs that have removed these spark arresters. Do you have any idea what it feels like to ride behind such a bike? It is not noizy, it is the resonanze that gets to you. Spending half an hour behind such a bike is PURE HELL! If you have a "man thing" and need a loud pipe to feel better about yourself, PLEASE ride at the back of a group. I am truly sorry for stepping on toes here, hopefully those that have suffered through this will back me here. (PLEASE) It is true that on the 650 the Leo Vince does increase the torque AND this increased torque is available at much lower revs. This is probably the only "practicle" reason for using such a pipe. When you want to play it is probably better to use these pipes than going for a bigger bike. Please excuse me while I go an hide, before the Freak and friends stone me.

ok ok we will stay behind you just put your mascara on before you leave home on the next ride. We stopped stonning people a while ago now we skin them.

Hi.... guys....the exhaust system on all modern bikes and cars are designed to reduce emmissions and noise levels for the broader european and other sensitive continents..This my friends...is africa....so we have a whole host of other riding situations etc we have poor fuel quality and i have seen cattylistic convertors so blocked that the vechicle cant be started because the cat is so blocked....i have had this happen to my merc vito...and im in the business....and lots come in here...the more you try reduce noise levels the nore internal components you have to build into an allready cramped space..the more internals.the longer gasses take to leave the exhaust system and the longer it takes to ingest new air into the airbox so with on open pipe ( i admit some are loud)the whole cycle is enhanced and thats where we feel the response when the aftermarket pipes are fitted you have to take a standard exhaust system and look inside to apprciate what im saying here i have a couple iff anyone would like to see its so restrictive its actually a joke and the weight alone..i have fitted for example an arrow titanium silencer and intermediate pipe...the weight saving is an unbelievable 4 kilos....YES thats 4 kilos....imagine thats 4 extra kilos of luggauge you could carry or fuel or a 5l papsak lol....

This has turned out to be nice thread, thnx all. As I said, each to his own, Freakonaleash was born for a reason!! Not all bikes are suited to loud zorsts, the purr of an RT on the open road is a beautifull sound, best left as is. Hey Don, look forward to seeing you at the GAGSC. Never had any complaints about people who are behind me, anyone hanging on my backwheel must be even crazier than me, I wouldnt follow me if I was me, myself or I. We ride because we love it!!! Have a great day all.Gravity, some people have no respect for the law! I RIDE THEREFORE I AM!

Gravity's a muth, this earth just sucks. Donald Own a GS and never run out of road.

Tx guys this is entertaining Bum in the saddle, always.

There is also another reason for "aftermarket" pipes. Being that BMW is a First World product it actually comes with a catalytic converter (yes this was mentioned before, just hang in there for a moment). Because of this cat. converter you have to use unleaded fuel. Some of the 1150 guys have replaced the factory pipes with Leo Vince (thankfully they kept the spark arresters in - obviously NOT the FREAK). Now these guys use LRP (lead replacement) fuel. They claim more power (even more than using unleaded with the new pipe) AND better fuel consumption.

I just peepee ina da tank. I RIDE THEREFORE I AM!

Sound (noise) can be very misleading, twist the grip and the more noise is emmitted giving the impression of speed. Watch the fuel consumption, tyre and brake expenses increase. Enjoy the long week end and keep it on the black stuff. Bum in the saddle, always.

who cares about fuel consumption....bikes are cheaper to run than a round of that silly game ..where you moer a little white ball away....the actually walk after it and moer it again some times four of five times...for the fun you have on the bike ....the price of fuel is still the cheapest fun per litre you can have....as for tyres who wantsmore than 9oookms on the same old boring tyres...and brakes....who needs that....who wants to put the brakes on fun....lol guys...common dudes ...I LOVE MY ARROW PIPE ON THE 650...YOSSHI ON gsxr...and LEO-VINCE...on the rm...and damm the AKRO....ON THE lawn mower...upsets the beurmeense..but damm its cutz the grass lekker and the performance has increased..its a add onn original.part at briggs & stratton...one titanium and all my bra...

Well said Dr Feelgood. Especially the part about white balls. Did you know that rugby is a game played by men with oddly shaped leather balls. Ride a bike? Bring your own balls!!Dakar ralley I RIDE THEREFORE I AM!

Hey donald....you say you dont know anyone who rides to the full potential of their bikes.....you riding with woessies dude.....like i saw the weekend,,bmw...BRING MIRROR WITH.lol

AFTERMARKET PIPES The kilowatt output on all the standard bikes is sufficcient without the the help of free-flow etc. UNLESS YOU ARE IN COMPETITION then u can justify performance enhancement. I saw a thread on the old forum where some dude was asking about louder xhorsts so cars couldhere him coming!!!?? If you like the Leo Vince or the akapurvnic? or whatever, go get it and give a cuss what others think. its whatever rocks YOUR boat baby, you don't have to justify it. I got DSTV 'cos I wanted it and I won't try justify it with arguments on good programs or other stuff to nobody. Same with your exhaust. i love u just the same whatever noise you make. But don't try any sassy argument about free-low, extra power etc unless you actually use it to compete, otherwise you jus blowing smoke. You put pipes in 'cos u wanted them not 'cos of any extra this or that. Andyman Yup that's me. Standing up in the traffic on the 1150GSA.

perhapps some riders think 86hp is enough lol lol.THEY do give extra horsepower....BUT the reason for fitment is for the responsive effect they have..far more 'feeling' when you need it....like when some twat pulls out his lane when you are onn comming sometimes it calls for gassing your self out of that situation and thats where it counts while your slow boat is still trying to make out of the input of your twisted paw...and the ecu is scheeming aaam yea i think we should tune the throttle bodies and fuel injection to wake up a bit ...my bike had passed said motorist....dont be scared of a little hosepower..i know its not enough..but you can make it more tractable..