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Questions about what exhaust to get

  • Thread starter Thread starter Gs1000g
  • Start date Start date
G

Gs1000g

Guest
hello, my gs1000g has an 1100 motor on it. I want a vance and hines exhaust 4:1 for it and I was wondering if the 1000g and the 1100g is the same exhaust? Can someone point me in the correct direction for this? Thanks- James

Engine code is
U701-100661
 
Last edited:
Same exhaust for both as far as the motor is concerned. Just get the exhaust number for the model year of the bike. The street pipe part number is 12005.
 
I don't know for sure if there is a difference in the aftermarket pipes, but I don't think the 1000 and 1100G mount the same as the 1000 and 1100E, so make sure your new pipe is compatible with your G.

The engine end (header pipes) will be the same, the differences will be where they attach at the rear.

.
 
I had a stock 1000g system on my '79 1000n for several years. It fit perfectly with no modifications to anything and looked 99% correct. The 1% was the notch on the right heat shield had the indent for the brake lever slighly out of place and it had the nicer aluminum head pipe clamps vs the cast iron and plated stock ones. Not sure what year it was off but was probably an earlier 1000g system. As far compatibity with a system from the 16v 1100s I'd be surprised if anything is easily adaptable.
 
Sandy said:
Not sure what year it was off but was probably an earlier 1000g system.
Click to expand...
Considering that the 1000G was only around for two years ('80 and '81) with virtually no changes, your choices are rather slim. :-\\\

.
 
should i Jet it for the 1000g or the 1100? I included the motor number on here I tried to decipher it before with no luck other than it was an 1100. Thanks again for the advice
 
Like I said above... Get the pipes for the 1000G. The engines dimensions are identical between the 1100G and the 1000G so that has no bearing on the what pipe you get. The V&H part number for a 1000G is 12005 for the street version. If you want to be really obnoxious then you can get the drag pipes using part number 12001.

Just for reference sake, the 1100E pipes will bolt up to the 1000/1100G engine but the rear mount is above the pipe while the correct pipe for the 1000G is below the pipe so you will need to fabricate a new rear mount. That's what I'm doing with my current project.
 
I have a 4/1 Jardiene set up off a 80 1000G on my 80 1100L, you might have to fudge the rear mount but should be OK.

V
 
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