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Tech. Advice: Series 'D' 500cc/1000cc Bikes
Egli Headers/down pipes
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<blockquote data-quote="Monkeypants" data-source="post: 173284" data-attributes="member: 2708"><p>I suspect that larger than stock pipes on a road going 998 are probably detrimental to midrange at least.</p><p>One would have to do some testing to be sure.</p><p>I have tested with my stock 850 Norton Commando. The stock headers on that bike are quite skinny, only 1 3/8".</p><p>I tried a set of "big bore" 1.5" headers on the bike. It went measurably slower on dyno hill. Tried up and down on mj size, no improvement. Put the skinny pipes back on, the speed came back.</p><p>Having said that, I did use 2" pipes on the 1360. I'm really not sure that they needed to be that large, but they do look good on there!</p><p></p><p>Glen[ATTACH=full]59719[/ATTACH]</p></blockquote><p></p>
[QUOTE="Monkeypants, post: 173284, member: 2708"] I suspect that larger than stock pipes on a road going 998 are probably detrimental to midrange at least. One would have to do some testing to be sure. I have tested with my stock 850 Norton Commando. The stock headers on that bike are quite skinny, only 1 3/8". I tried a set of "big bore" 1.5" headers on the bike. It went measurably slower on dyno hill. Tried up and down on mj size, no improvement. Put the skinny pipes back on, the speed came back. Having said that, I did use 2" pipes on the 1360. I'm really not sure that they needed to be that large, but they do look good on there! Glen[ATTACH type="full"]59719[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'D' 500cc/1000cc Bikes
Egli Headers/down pipes
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