G1 Exhaust Mod Request

DWG1 · 04-24-2011, 02:43 PM

Has anyone done a modification on their G1 exhaust? Now that I have the lift kit done and things are working, the exhaust isn't quite as bad but it still can be strong with the windshield up. I'd like to get it out the back instead of dumping right under the passenger side. Not sure what to use and if it will affect performance. Any thoughts?

chuddly · 04-24-2011, 04:28 PM

a few guys have extended them and it didnt hurt it at all....i might do the same to mine

DOOmsman · 04-24-2011, 06:28 PM

A bit of information for all.
Once the factory and engineers have optimized a 2 cycle exhaust
any modifications beyond the stinger (tail pipe) that do not increase
back pressure are safe. Enlarge the extension and you will be good to go.

sho305 · 04-24-2011, 07:31 PM

I know a guy his cart has a hole in the rocker with the pipe sticking out. Out the rear may not help it can come back around to you. I don't think I would chop the rocker but out the side into the airflow might be worth a try.

DWG1 · 04-24-2011, 08:13 PM

Anyone know where you can purchase flexible exhaust piping that will fit the Yamaha G1?

sho305 · 04-24-2011, 08:34 PM

Not sure we bought the smallest they had at autozone for a clone install. NAPA may have it too. But you want it a little big anyway.

DWG1 · 04-25-2011, 08:03 AM

Thanks. Looks like a trip to NAPA is in order.

sho305 · 04-25-2011, 10:45 AM

One guy also said napa had SS or galvanized stuff that would last longer? Might want to ask them (at napa).

04-24-2011, 02:43 PM	#1
DWG1 Not Yet Wild Join Date: Apr 2011 Posts: 6	G1 Exhaust Mod Request Has anyone done a modification on their G1 exhaust? Now that I have the lift kit done and things are working, the exhaust isn't quite as bad but it still can be strong with the windshield up. I'd like to get it out the back instead of dumping right under the passenger side. Not sure what to use and if it will affect performance. Any thoughts?
DWG1 Not Yet Wild Join Date: Apr 2011 Posts: 6

04-24-2011, 04:28 PM	#2
chuddly Gone Wild Join Date: Mar 2010 Location: Eminence, IN Posts: 534	Re: G1 Exhaust Mod Request a few guys have extended them and it didnt hurt it at all....i might do the same to mine

04-24-2011, 06:28 PM	#3
DOOmsman Gone Wild Join Date: Jul 2008 Location: Reddick IL Posts: 11,220	Re: G1 Exhaust Mod Request A bit of information for all. Once the factory and engineers have optimized a 2 cycle exhaust any modifications beyond the stinger (tail pipe) that do not increase back pressure are safe. Enlarge the extension and you will be good to go.

04-24-2011, 07:31 PM	#4
sho305 Vegas modded 420 Join Date: Jun 2009 Location: West MI Posts: 15,445	Re: G1 Exhaust Mod Request I know a guy his cart has a hole in the rocker with the pipe sticking out. Out the rear may not help it can come back around to you. I don't think I would chop the rocker but out the side into the airflow might be worth a try.

04-24-2011, 08:13 PM	#5
DWG1 Not Yet Wild Join Date: Apr 2011 Posts: 6	Re: G1 Exhaust Mod Request Anyone know where you can purchase flexible exhaust piping that will fit the Yamaha G1?
DWG1 Not Yet Wild Join Date: Apr 2011 Posts: 6

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04-24-2011, 08:34 PM	#6
sho305 Vegas modded 420 Join Date: Jun 2009 Location: West MI Posts: 15,445	Re: G1 Exhaust Mod Request Not sure we bought the smallest they had at autozone for a clone install. NAPA may have it too. But you want it a little big anyway.

04-25-2011, 08:03 AM	#7
DWG1 Not Yet Wild Join Date: Apr 2011 Posts: 6	Re: G1 Exhaust Mod Request Thanks. Looks like a trip to NAPA is in order.
DWG1 Not Yet Wild Join Date: Apr 2011 Posts: 6

04-25-2011, 10:45 AM	#8
sho305 Vegas modded 420 Join Date: Jun 2009 Location: West MI Posts: 15,445	Re: G1 Exhaust Mod Request One guy also said napa had SS or galvanized stuff that would last longer? Might want to ask them (at napa).

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