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Author Topic: HM300 Diffuser Question (PIC)  (Read 564 times)

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Offline Johnie

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HM300 Diffuser Question (PIC)
« on: February 05, 2014, 04:34:01 PM »
Have a set of HM300's for this KO project which came to me with only one diffuser. I took it out and bought a set of new Honda diffusers. Question is this...the 1 old diffuser I took out did not have the packing. I just want to be sure this packing goes back in or do you guys find it beneficial to not use the packing? Thanks...
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1970 CB750K0 - Candy Ruby Red
1973 CB750K3 - Candy Bacchus Olive or Sunflake Orange
1970 Chevy Chevelle SS396 - Cortez Silver
1976 GL1000 Sulphur Yellow

Oshkosh, WI  USA

Offline Bob Wessner

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Re: HM300 Diffuser Question (PIC)
« Reply #1 on: February 05, 2014, 04:42:29 PM »
I left the packing on mine, mainly because it was there originally and figured Honda had a reason for it.  Noise, performance.. don't know???
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Offline dhall57

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  • The 70's! SOHC4 Honda's & Marcia Brady of course.
Re: HM300 Diffuser Question (PIC)
« Reply #2 on: February 05, 2014, 04:55:56 PM »
Kept the packing on mine also.
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1970 CB750KO
1971 CB500KO-project bike
1973 CB350G- project bike
1974 CB750K4-project bike
1974 CB750K4
1976 CB750K6
1977 GL1000
1997 Harley Wideglide

Offline Raul CB750K1

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Re: HM300 Diffuser Question (PIC)
« Reply #3 on: February 11, 2014, 12:50:42 AM »
Some time ago I was going to buy new diffussers too. Ended up repainting and packing with exhaust mat. Saved a few euros for other needed parts...
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