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who runs a 4 into 1?

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who runs a 4 into 1?

pat english
739 posts
just trying yo get an idea of how many people run 4 into 1 headers an what kind.
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Re: who runs a 4 into 1?

shinyribs
Administrator
10054 posts
I do.I got mine from Tools. No clue who made it.I love it. My muffler is homemade,but I love the way it sounds. A 4-1 is light and makes getting to the chain real easy,but it definitely has a sort of a modern sportbike sound to it. At least I think it does. Might not be the sound you want if you are doing a cruiser/bobber type bike.

Tools has my old 4-2 pipes. They sounded sweet with a good tone for a cruiser type bike.
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Re: who runs a 4 into 1?

Piute
3739 posts
In reply to this post by pat english

   I DoI Do
  Stk.header home made muff for tractor,(well hardwear special) cut down some glass removed,baffle switch around, rewelded sounds good ,looks great , have afew purple hornys to mod during winter just for S.N G.

 http://honda-cb750-s.456789.n3.nabble.com/Cherrybomb-Glasspack-Muffler-td3336659.html#a3336837

  I know I need A video......PAUL...He'll shot one,but on his time
                            1977 CB750 F2 Super Sport
<LET THOSE WHO RIDE DECIDE><RIDE TO LIVE-LIVE FOR JESUS> 
Native American from central Cal,  Kickstand UP in S.W.Missouri,
                                       
 
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Re: who runs a 4 into 1?

pat english
739 posts
right on.anyone else?
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Re: who runs a 4 into 1?

rrgunslinger
515 posts
I run Mack 4 into 1.  Love the sound.  At low speeds it rumbles but at 4000+ rpm's it sounds like a screaming meanie but not loud.  I had to remove the Flange pipe from the head because the Mack had these built on it.  That was a problem as one of the bolts broke and I had to drill and tap the hole.  Thankfully it worked out ok.

 
American by birth. Cowboy by choice! Vero Beach, FL http://i373.photobucket.com/albums/oo172/grandpaslinger/HD%20Road%20Glide/IMAG0046.jpg
ace
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Re: who runs a 4 into 1?

ace
10 posts
In reply to this post by pat english
Got a Mac on mine. Good throttle response and has a sportbike sound. Gets looks when you are on it hard !
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Re: who runs a 4 into 1?

seestheday
1461 posts
In reply to this post by pat english
I do on my 81 DOHC K.  No idea who made it, was on there when I got it.  The outside was super rusty, but I've since cleaned it up and painted it flat black.

Sounds and looks good.  Center stand also works great.
1981 CB750K with 900 cams
90K KM's, rebuilt head, rebuilt carbs, upgraded valve stem seals

My wife's recipe website that I'm trying to help promote: Strawberries for supper. Yes, I am a lucky man.

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Re: who runs a 4 into 1?

pat english
739 posts
In reply to this post by rrgunslinger
right on..thats a good lookin bike.
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Re: who runs a 4 into 1?

Lucky 1
2028 posts
In reply to this post by pat english
I have the Cycle X 4 into 2 into 1 exhausts.
They have the most ground clearance of this type.
You can change the oil filter without removing the exhaust system.
You can get to the sump drain plug too.

On a Roadstar Adventure.
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Re: who runs a 4 into 1?

seestheday
1461 posts
I can change the oil without removing my 4-1 exhaust system as well. I have a dohc, so it might be different on the sohc (although I think it should be the same).
Sent from my BlackBerry device on the Rogers Wireless Network

From: "Lucky 1 [via Honda CB750'S]" <[hidden email]>
Date: Sat, 7 Jul 2012 15:20:15 -0700 (PDT)
To: seestheday<[hidden email]>
Subject: Re: who runs a 4 into 1?

I have the Cycle X 4 into 2 into 1 exhausts.
They have the most ground clearance of this type.
You can change the oil filter without removing the exhaust system.

1978 CB750K Completely restored cafe style



If you reply to this email, your message will be added to the discussion below:
http://honda-cb750-s.456789.n3.nabble.com/who-runs-a-4-into-1-tp4024611p4024649.html
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NAML
1981 CB750K with 900 cams
90K KM's, rebuilt head, rebuilt carbs, upgraded valve stem seals

My wife's recipe website that I'm trying to help promote: Strawberries for supper. Yes, I am a lucky man.

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Re: who runs a 4 into 1?

pat english
739 posts
dang lucky,thats a clean bike..post a shot of the whole bike.
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Re: who runs a 4 into 1?

MarkPBG
1250 posts
In reply to this post by pat english
I do! From the pictures I've seen online, it's a dead ringer for the Mac 4 into 1 system, black pipes and chrome muffler. The baffle is falling out, so it's time to fix or replace.
Mark Davis
Palm Beach Gardens, FL
amateur photographer, hot rodder, motorcyclist, adventurer
"Four wheels move the body. Two wheels move the soul."
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Re: who runs a 4 into 1?

pat english
739 posts
im glad to here that a bunch of people are running 4 into 1 pipes..i have a couple sets and im thinking of cutting one apart (becuase theyre junk and rotted out) and using them as a template for jig.i want to make a 4 into 1 out of stainless.here is a pic of what im talking about..has anyone evr done this?