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does anyone use supertrapp 4-1 exhaust

  • Thread starter Thread starter Anonymous
  • Start date Start date
A

Anonymous

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I've just bought a 1980 GS1000G. It didn't run (or at least not very well). The carbs where dumping gas all over the place and I think that there was more gas in the block than there was oil :? So i've torn it all apart and im reworking everything- reseating the valves, new rings, gaskets and redoing the carbs too. The bike came with dyna coils \:D/ and some generic brand of 4-1 pipes that have holes in it and are banged up a bit. It didnt look like the carbs have been rejetted (but someone got alittle bit crazy with the ajustments) and it still has the stock intake.
I have a set of 4-1 supertrapp pipes that will fit it. Ive been all though the forum looking for anyone even mentioning anything about supertrapp and found very little. I know that V&H and Mac are great pipes but what about the supertrapps that i have? I would like to set them up for stock and then later after I break in the engine i would like to go to air pods and a jet kit. I am hoping that the supertrapp pipes will suport both stock and jetted. So my question is are supertrapp good pipes and if i decide to use them i need a starting point- how many disks should i start with for a stock setup and will they work well with a jet kit and air pods? Any info, suggestions, ideas or just would like to knock on me a bit, would be welcome.
 
Supertrapp

Supertrapp

I had a Stainless Supertrapp with external discs on my wife's 1150 and tryed it on my Kat as well. It was a nice pipe and very light. The problem was I almost scraped thru the collector where in branches into one.

Right hand turns with the supersport setup (oil access) caused the pipe drag when cornering hard.

I tryed the pipe with and without the discs and noticed some differences in the powerband and noise. I never really settled on setup but recall running them with no discs with a stage three kit.

You'll more than likely need to bump up air/fuel, jets and raise needles to get optimum performance even with a stage 1 semi-stock setup. The pipe alone will lean out the jetting as you probably read previously here.
Carter
 
I've had a Supertrapp Stainless system on my '83 1100E for about 15 years. I love it. It's light, good looking, never rusts, and is tunable for back pressure and noise level. I have never had it scrape and it gives me full access to oil drain plug, filter, and retains the centerstand. I've aslo got K&N pods and a stage three jet kit. It runs great, sounds great, looks great. Click the link on my signature to see a pic of my bike and the pipe.

Joe
 
Hell, if you can find one for sale anywhere for these bikes you'll be lucky.

Dm of mD
 
Joe Nardy said:
I've had a Supertrapp Stainless system on my '83 1100E for about 15 years. I love it. It's light, good looking, never rusts, and is tunable for back pressure and noise level. I have never had it scrape and it gives me full access to oil drain plug, filter, and retains the centerstand. I've aslo got K&N pods and a stage three jet kit. It runs great, sounds great, looks great. Click the link on my signature to see a pic of my bike and the pipe.

Joe
Click to expand...

Joe the bike looks GREAT!!! the pipes look just like mine. just a few more questions. It looks like you still have some disks on them with a stage 3 jet kit how many are you using?and do you have dyna coiles if so where did you get the yellow sparkplug wires (i liked that too)?
 
Detman101 said:
Hell, if you can find one for sale anywhere for these bikes you'll be lucky.

Dm of mD
Click to expand...
Would you belive me if i sayed that a guy in a suzuki shop gave them to me. At the time i was working on my 1980 GS550L. He didnt know if they would fit it and he wasnt using them. At the time i was working for frito-lay and his wife loved Roled Gold pretzels so i traded pretzels for the pipes. The best deal ive ever got.
 
justice said:
Joe Nardy said:
I've had a Supertrapp Stainless system on my '83 1100E for about 15 years. I love it. It's light, good looking, never rusts, and is tunable for back pressure and noise level. I have never had it scrape and it gives me full access to oil drain plug, filter, and retains the centerstand. I've aslo got K&N pods and a stage three jet kit. It runs great, sounds great, looks great. Click the link on my signature to see a pic of my bike and the pipe.

Joe
Click to expand...

Joe the bike looks GREAT!!! the pipes look just like mine. just a few more questions. It looks like you still have some disks on them with a stage 3 jet kit how many are you using?and do you have dyna coiles if so where did you get the yellow sparkplug wires (i liked that too)?
Click to expand...

Justice,

I have always run disks on my Supertrapp pipes (I've had them on several bikes.) I haven't counted lately but I think I have eight disks on the GS1100 now. I prefer to keep the bike reasonable quiet while still having that performance sound.

The wires are Accel 9mm wires that came with my Accel Super Coils quite a few years ago. You can still get them, I believe.

Joe
 
supertrap pipe

supertrap pipe

I have a supertrap on my 78 gs1000e and I love it,great sound and nice and light, mine never has a scraping issue :D
 
I'm using 20 plates on my 83 1100/1260and 15 on the 82 1000 Kat.The 1260 sounds great and "GOES" and wants to keep on going.I have one for the 1150 too, but its a pain in the but. I have to completly remove it to change the oil.
 
Good pipes. They sometimes do not have oil and filter access. Much better pipe than a MAC.
 
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