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Author Topic: Exhaust mod  (Read 1271 times)

leo.portner

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Exhaust mod
« on: June 03, 2015, 09:17:43 PM »
Any one ever tried to turn the original exhaust muffler into a free flowing muffler?
« Last Edit: June 03, 2015, 09:25:43 PM by leo.portner »
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blue

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Re: Exhaust mod
« Reply #1 on: June 18, 2015, 02:42:37 PM »
Best way to do that is to cut the muffer in half. Clean out all the stuff in side.sand down good.and weld back together.
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zombie

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Re: Exhaust mod
« Reply #2 on: June 18, 2015, 05:07:16 PM »
You can also drill a series of 1/2" holes around the tailpipe section. It by passes the "guts", and gives it a real nice deep tone. Nothing crazy just nice.
You might have to go up 1-2 jets. A couple of new spark plugs to do a quick check will verify the jetting.
« Last Edit: June 20, 2015, 10:09:34 PM by zombie »
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blue

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Re: Exhaust mod
« Reply #3 on: June 20, 2015, 02:27:41 AM »
X2 is that is a lot easier.
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0BARK4322

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Re: Exhaust mod
« Reply #4 on: June 20, 2015, 07:15:28 AM »
Don't worry.....your scooter will get louder as it ages ;D ;D ;D ;D ;D ;D
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leo.portner

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Re: Exhaust mod
« Reply #5 on: July 07, 2015, 08:03:52 PM »
Good idea with drilling holes but my xciting is injected will thia mess up the ecu
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mrmike

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Re: Exhaust mod
« Reply #6 on: July 10, 2015, 06:33:28 PM »
Quote from: zombie on June 18, 2015, 05:07:16 PM
You can also drill a series of 1/2" holes around the tailpipe section. It by passes the "guts", and gives it a real nice deep tone. Nothing crazy just nice.
You might have to go up 1-2 jets. A couple of new spark plugs to do a quick check will verify the jetting.

I believe the GTI300's are injected. Will they automatically compensate a little richer if necessary?
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