Exhaust Idea?

[nitroguy]

So, this is probably stupid, but I thought I'd ask before I brought out the welder.

I know that straight pipes will hurt bottom end significantly, and I think help top end (assuming tuned just right). Armed with that knowledge (feel free to tell me if those assumptions are wrong), I came up with this:

Basically four straight pipes coming back, ending before the rear wheel. But in an effort to save precious low end, put a reducer outlet on them, reducing the outlet approx 1/2. I could also put some types of baffles or muffler packing in there to reduce noise.

I'm trying to achieve a few things: improve performance, get rid of my stupid looking trumpets on both sides of my bike, make it sound neat (but not overly loud), and maybe save a bit of weight (not that it matters, the bike's a pig anyways).

So, what do you think? Would it work? Has anyone done this before?

Thanks.

[Mark M]

Straight pipes don't necessarily hurt bottom end, but they can only be tuned for one narrow rpm range. Everywhere else will suffer and there will be a big hole in the torque curve right about 1/2 the tuning rpm. If you want the best possible torque curve, you want a 4-1 header with a true megaphone tailpipe after. You may not like the look, but there is no superior exhaust system for making power.

Reducing the header pipe diameter to 1/2 for the outlet without some sort of muffler will leave you with a LOUD bike. You need a muffler to effectively reduce the noise to reasonable levels or your neighbors will hate you. I can't help with your vision for your bike, but mufflers are a must, no matter how you want it to look.

Mark

[Buddy]

Try volkswagon tailpipes.