advice on exhaust pipe switch

[PPS]

I've been given a basically new set of pipes from a Suzuki 650 Bandit (don't know what year, but maybe 5 years old or so).  I thought about cutting them to shape for my 1990 GS500E.  Question is:  is this a worthwhile upgrade to my standard exhaust?  I have jetted the carbs at 40 / 122.5.  Stock air filter.  If I do install the newer (and presumably larger) pipes, what should I do about the jets and intake?

I can do the cutting and welding, so I'm not talking about any financial investment other than my time and a bit of acetylene . . . just wanting to know if the Bandit pipes would be enough of an upgrade to what I have to make it worthwhile.  I can't afford right now to buy a V&H or something like that. 

Thanks in advance.

[slipperymongoose]

My question is why not?

[PPS]

Only reason why not is if the newer Suzuki pipes aren't going to give me any performance increase . . . that's what I'm trying to find out. 

Thanks!

[cheetahman]

I don't believe you'll get a big enough performance increase to justify all the work.  To see the benefit of the exhaust, you should do something about the air cleaner as well and then the jetting will be lean so that will need correcting.  All this for a 5% to 8% gain.  A motor is just a big air pump.  The less the restrictions the more air you can pump.

[sledge]

650 Bandit is a 4 cylinder, the pipes are a 4-1 and wont even come close 

If you want gains sell them and use the cash to buy a V&H or something else that will fit the GS5 and wont look like crap 

[PPS]

Yeah, I think it's not worth it . . . I know the Bandit is a four,  I was just going to cut it down to a two and then shape it accordingly.  But, pipe welding like that is a serious PIA.  I'll take the latter advice and sell it for a V&H or something.

Thanks to all.

[Kijona]

There's really no performance gain to speak of from modifying the exhaust or putting a "performance" exhaust on it. The most it will do is be a little more free-flowing than the stock exhaust which will lean the mixture a hair.

The biggest benefit comes from adding a set of better and polished headers. That has the most effect...

However, it's nothing compared to freeing up the intake and correcting the mixture with richer jets.

[SAFE-T]

I have a 2010 Ford Ranger. If I take the header off our 2004 Pontiac Montana and cut it to fit the Ranger, do you think it will improve my top-end ? The Ford is my service vehicle, but I really want to improve its 1/4 mile times. 

[jdoorn14]

I have a 2010 Ford Ranger. If I take the header off our 2004 Pontiac Montana and cut it to fit the Ranger, do you think it will improve my top-end ? The Ford is my service vehicle, but I really want to improve its 1/4 mile times.

It might shave a tenth of a second...or else you might have just reacted faster. You should put nitrous on your Ranger to really go fast.


Sent from my iPhone using Tapatalk