Author Topic: New 4 into 1 exhaust for 75-77 CB400f  (Read 1143 times)

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Offline 74CB400FFourSS

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  • 75 CB400F Super Sport
New 4 into 1 exhaust for 75-77 CB400f
« on: January 02, 2014, 11:23:30 am »

http://www.cb750cafe.com/blog/cb400-4-into-1-exhaust-now-completed-and-available-for-300/

I dropped a stock CB400f off at Carpy's Cafe Racers a lil over a month ago so he could use it to design a new 4 into 1 exhaust on it. It came out great, one of the best looking, sounding and performing exhausts out there for the CB400f  in my opinion.
It allows you to keep the center stand, ditch the split flanges and let's you change the oil without having to remove the exhaust. I picked up the bike The other day. Fires right up, didn't even have rejet the carbs and it runs great. Really wakes up the 408cc motor feels faster too.

Click the link, see the pics and watch the videos. I can post more pics when I get home from my vacation.
Rob

1975 CB400F Four SS

Offline IBleedHondaRed

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    • OEM Parts diagrams from my shop
Re: New 4 into 1 exhaust for 75-77 CB400f
« Reply #1 on: January 02, 2014, 01:57:44 pm »
looks just  like a mac 4-1 header with a different can
OEM DIAGRAMS http://www.shopstarcitypowersports.com/OEMpartfinder.htm

1971 CB500K0
1973 CB350F (x2)
1973 CB350G
1973 CB500K2
1977 CB550F2
1989 Hawk GT 647 (Adventure)
1989 Hawk GT 696 (Barely street legal track bike)
2007 XT225
2008 650 Gladius
2012 CB1000R
2012 VT750 Phantom   SER #000105
2013 F6B Goldwing      SER #000082
2013 KTM 300 XC-W
2014 CTX 700             SER #000043

Offline IBleedHondaRed

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    • OEM Parts diagrams from my shop
Re: New 4 into 1 exhaust for 75-77 CB400f
« Reply #2 on: January 02, 2014, 02:30:05 pm »
do they clear the fender under front fork compression?
OEM DIAGRAMS http://www.shopstarcitypowersports.com/OEMpartfinder.htm

1971 CB500K0
1973 CB350F (x2)
1973 CB350G
1973 CB500K2
1977 CB550F2
1989 Hawk GT 647 (Adventure)
1989 Hawk GT 696 (Barely street legal track bike)
2007 XT225
2008 650 Gladius
2012 CB1000R
2012 VT750 Phantom   SER #000105
2013 F6B Goldwing      SER #000082
2013 KTM 300 XC-W
2014 CTX 700             SER #000043

Offline 74CB400FFourSS

  • Cafe for life
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  • 75 CB400F Super Sport
Re: New 4 into 1 exhaust for 75-77 CB400f
« Reply #3 on: January 03, 2014, 09:55:24 am »
Looks nothing like the mac. Yes it clears the fender under compression.
Rob

1975 CB400F Four SS

Offline IBleedHondaRed

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    • OEM Parts diagrams from my shop
Re: New 4 into 1 exhaust for 75-77 CB400f
« Reply #4 on: January 03, 2014, 10:59:07 am »
the way #1 and #2 tuck behind the#3 and #4 tubes looks to be about identical but at the they look to be about 4" longer before the collector. unlike the mac it is one piece and the can is not tapered. the mac comes in chrome or black and retains the factory manifold clamps

i like the lines that it follows past the collector towards the back wheel. i may have to make a new can for the mac i have sitting on the shelf....

retail on the mac is $377 with free shipping at most dealers yet he says it is a better deal and charges $45 in shipping
OEM DIAGRAMS http://www.shopstarcitypowersports.com/OEMpartfinder.htm

1971 CB500K0
1973 CB350F (x2)
1973 CB350G
1973 CB500K2
1977 CB550F2
1989 Hawk GT 647 (Adventure)
1989 Hawk GT 696 (Barely street legal track bike)
2007 XT225
2008 650 Gladius
2012 CB1000R
2012 VT750 Phantom   SER #000105
2013 F6B Goldwing      SER #000082
2013 KTM 300 XC-W
2014 CTX 700             SER #000043