| Author | Message | ||
     Johnnylunchbox |
My wife has a 2003 with the Kerker exhaust. It is just way too loud at highway speeds. It has the Buell pro series intake, and has been rejetted for the modifications. If I buy a stock exhaust will I have to change the jetting again, or will the difference be minimal, keeping in mind that we are going to keep the pro-series intake? Or would anybody have suggestions for a quieter can. I agree with others who've said that the Kerker header is really well done. Thanks in advance | ||
| Naustin |
Why not just get some nice ear plugs. I have been wearing them to get rid of irritating wind noise (I have a 1/2 helmet). I find that with the earplugs, I can't hear the stock exhaust at all and have been wishing for a louder one so I could tell where my rpms are. (edit) I just saw your 700 mi post and noticed you were apparantly already using earplugs. Was the exhaust still too loud with earplugs?! edited by naustin on July 12, 2004 | ||
| Johnnylunchbox |
Yeah we did have earplugs and when I was riding behind her and she got on the gas the sound really drills through the earplugs. I swear it was rattling my fillings. So I guess the consensus is that the stock is too quiet. I wonder if there is a happy medium? Even my wife who is riding (with ear plugs) atop the exhaust said that at some frequencies it was almost unbearable. | ||
| Ralphthe3rd |
(Rejetting back?)You could try leaving the jetting as is, but I did the same thing a while back and the jetting was so rich on top end- that i couldn't reach top speed anymore....at least drop the mainjet back to 170 or better yet- drop it to 165 (with stock muffler). The slow speed/pilot jet can stay the same. BTW- all performance mufflers are going to be Loud ! | ||
| Johnnylunchbox |
Ralph does your advice take into account the open airbox and k&n filter? I figured all performance exhausts would be loud, so I think I may just try to find a more restrictive can and put it on the kerker header. | ||
| Jprovo |
The exhaust is frickin loud!! I would rejet back to 170, it's a 10 min job, and will prevent plug fouling. You might want to try a muffler with a left side oulet. that will get more noise away from the rider, the people behind you, and the LEO on the side of the road! BTW, congrats to your wife. | ||
| Joey |
I guess my custom exhaust isn't so loud after all! I find it mostly bearable without earplugs, but I usually wear them. I did have someone tell me it sounds like a machine gun. See pictures in the picture section for ideas. The whole job cost me $90 plus a can of barbecue grill paint. | ||
| Ralphthe3rd |
Johnny, yes my advice is for the open airbox/k&n filter. Thats why I said leave the pilot/slow speed jetting the same. And actually- IMHO, the only reason the factory went from a #165 to a #170 Mainjet OEM, was to try and cover the lean condition when the bike is running on the slow speed jet and needle. So when you richen the middle up- the high speed jetting doesn't NEED to be so rich. It was kinda like a Catch 22, they have to run the slow speed jet LEAN for the EPA, but cover any damage that may cause with a richer mainjet (hoping if the rider is running the bike harder, the topend richness saves the valves??) | ||
| Ezblast |
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| Johnnylunchbox |
Thanks for your advice...I just bought a stock system from ebay and will hopefully be installing it soon. I'll let you know what happens. |
