Supermono exhaust?

canolman · Nov 1, 2013

Hi,
I'm just starting a 'mono project using the 650 motor and could do with a bit of advice regarding the exhaust. Don't know whether to go 2 into one or 2 into 1 into 2. I've seen 'monos with the exhaust under the engine with a silencer for each port or a 2 into 1 but both very short systems. If anyone has info on tuned length and bore sizes I would be most grateful,
Many thanks.

Taffy · Nov 5, 2013

Is this to race? where are you from?

OK, we have a resident mustard Supermono champion named Dr_C. put supermono, put Dr_C in a search etc and he may be happy to guide you a little.

you need to say which year engine you have?
2001-3
2004
2005-8?

the 2 into 1 into 2 is as you know: for silencing while maintaining power. I'd keep it simple initially and get it running on a 2 into 1. the cam timing makes a difference to the DB levels so you may be OK initially.

regards

Taffy

canolman · Nov 5, 2013

Cheers Taffy,
Yes for racing. The motor is post '05 with the newer electrics. I PMed Dr_C but got know reply, I watched a couple of vids on youtube where he mounted the silencers under the motor and was wondering what advantages that would bring (apart from making them crash proof!). Pretty sure I need a 2 into 1 even if it is real short, don't think separates pipes for each outlet works?
Many thanks in advance

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Supermono exhaust?

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