To shim or not to shim
So I have a new 2012 with a little over 300 miles. I bought a new mgp Growler slip on so Ivan b heard and not afraid to get ran over. My question is will it be OK to shim it with such low mileage? Or will it hurt more to ride with it running super lean with the new exhaust. I don't want to hurt my bike. What do you think? Also I haven't put the exhaust on yet. Is the beat option to ride about 200 more then put it on and shim?
Thanks in advance
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