Quote:
Originally Posted by Guitar Guy
Those stacks and pipes look pretty cool. I'm wondering, when adding a different muffler or pipe that what came stock on the engine, doesn't that change the back pressure seen by the engine?
I know when adding more open pipes to a Harley, the carb. usually has to be re-jetted. Just wondering how this is measured or determined for the Kohler engines, and if there is a chance for damage.
Josh P
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Josh, see post number 1 in this thread, he stated he had to drill out the mainjet, tractor was running lean with the stack!