exhaust and extra grunt

southgramp · Feb 15, 2007

I have just bought a 1999 fe400e with a standard pipe fitted (very quiet). I do not have a huge budget but would like get a bit extra grunt and perhaps a bit meatier sound from my pipe.

Any suggestions?? do they come with removable baffles etc??

great site.

Johnf3 · Feb 15, 2007

My suggestion would be to leave it stock. Quiet is good. Also, your stock exhaust has a spark arrestor, which is required for riding on public land, at least if you are in the USA.

Taffy · Feb 16, 2007

pound for pound i would say that the lineaweaver LX1 camshaft is your best buy for extra power.

MX tailpipe added a little extra grunt.
501/550 headers the same.
keihin FCR39mm carb added little power but made the bike vibrate less and start and run better.
larger exhaust valves - very noticeable.
porting the inlets/narrowing seats - slight change.
39 to 41mm - slightly better in 6th.

i started with 28RWHP and now have 38.

there is a factoy cam called the '53' cam that you may find out there. it's a big improvement but the valve train gets a beating due to it's figure-of-eigth profile.

you always try converting it to a 470 with a 100mm piston?

regards

Taffy

ned37 · Feb 16, 2007

i wonder ifyou have a different setup than me? my stock 98 fe400 pipe was anything but quiet when on the throttle. the big gun with the quiet insert i replaced it with is a bit quieter, but neither would pass tech when checked at rpm.

ned

exhaust and extra grunt

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