Different Exhausts

Engine, intake, exhaust, EFI, chain, sprockets, etc.
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who_gives_a6
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Joined: Wed Mar 10, 2021 10:41 pm

#1 Post by who_gives_a6 »

Trying to figure out if anyone may know the best power gainer and which is which. Each of these three pipes only work with one headpipe. None can go on another. Top is of course stock 03 but the other two are HMF's. Not sure if one's a full or not but which is the best result for power?

Silver HMF needs repacked but paid $20 for it. Got the black one for $50 and freshly packed. Just curious which should be ran preliminarily. Also, are the toasters worth anything or scrap yard material?

2000ex
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#2 Post by 2000ex »

Black is HMF full
Silver is slip on

The HMF full dyno's almost identical to the FMF Ti pipe.

kdeal
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Joined: Wed Mar 10, 2021 10:41 pm

#3 Post by kdeal »

QUOTE (who_gives_a6 @ Apr 11 2011, 03:21 AM) <{POST_SNAPBACK}>
Trying to figure out if anyone may know the best power gainer and which is which. Each of these three pipes only work with one headpipe. None can go on another.


This statement is incorrect, the bottom two headpipes and mufflers are interchangable. The one with the shorter head pipes is a factory Cannondale pipe and the other one is a HMF replacement for the same pipe. The two mufflers are the same.

who_gives_a6
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#4 Post by who_gives_a6 »

Im not sure on that. The longer one that I guess is the full hmf with black can has where the header slips on over the can. On the silver hmf the header slips into the can. Both cans and both headers' ends are different where they connect. Kind of strange. Will just throw on the black system though. Thanks guys.

wistech
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Joined: Wed Mar 10, 2021 10:41 pm

#5 Post by wistech »

I think the middle one might be an 03 headpipe converted since you say it goes over the muffler inlet. Look about half way along the headpipes and see if there is a small tab connecting the pipes together. If its the same as the one on top its a conversion. If its different its the HMF headpipe and is very close to the power of a Titaium headpipe.

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