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GTM Griso QC Meg

NorthernProducer

Just got it firing!
Joined
Mar 4, 2015
Messages
18
Location
Middle TN
I received my QC Meg muffler a couple days ago and installed it on my 2015 Griso. Even though the fit to the Y-pipe is a bit tight (no gasket needed), the installation was completed is short order and without any issues encountered. I have since taken the bike out for 2 test rides and it performed well. Sound is a bit louder than the stock muffler as promised and it has a great sound. One of my goals in replacing the OEM muffler was to reduce the weight (about 20 lbs) which is focused on the left side of the Griso and the Meg certainly delivers on that point. When riding the curvy back roads in my part of Tennessee, I can tell that the bike is better balanced with noticeable improvement in handling. So far, the fueling seems fine with the custom map I purchased from Todd about a year ago for use with the stock muffler, and there has been no negative impact on mileage. The added bonus of eliminating the cat and the heat it generates was welcome, too. Overall, a well designed, well made and worthwhile improvement for my Griso.

Griso Meg QC
 
I'm trying to think back how the dual LaFranconi's sounded on my Jackal, we are getting old. :)
 
Is there a noticable increase in vibrations associated with these? I am keen, however for long rides I cant`t handle any more vibrations than stock....
 
Is there a noticable increase in vibrations associated with these? I am keen, however for long rides I cant`t handle any more vibrations than stock....
No, vibrations are typically related to the restrictive exhaust and emissions focused fueling... besides the fact it is a V-Twin engine. Getting rid of the stock muffler (cat con) helps, but it really should involve fixing the fueling as well; https://gtmotocycles.com/products/gt-motocycles-5am-7sm-reflash-tool
 
Would it be possible to see a few more pictures of this exhaust on a Griso? Strongly considering getting one :)
 
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