Wow, never heard that one...besides burning the hot air is less efficient than burning the cool air! here in Texas you dont need it, mine was removed...I gave my air cleaner away a year ago(use K&N filter now), but still have the part that is the 'heat riser', that bolts to head and the ducting up to the air cleaner attaches to , in case you need it... if so let me know .. bsefeldt@mhinc.com
