Grizzly Engine & Transmission 700 2013 after market exhaust/ fuel comtroller?? April 10, 2015 my freind want to put an after market exhaust on is 2013 grizzly 700 , not a complete exhaust just a slip on, will he need a fuel controller or just bolt on the exhaust will be fine??will he run to lean? Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related