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Yep, me too. Been toying with the idea for sometime. I found a piece of woven steel (that's the only way I can discribe it) it's the same idea as expanded metal but looks better. Found it on the trail one day, it's about 14" x 9'. I want the air to continue to move through but I want to prevent a straight on collision with a hard stobb or pointed rock with that front dif housing.[/QUOTE I put a temp gauge in line for giggles and on long hauls haven't seen a change with or without so I had no problems covering it. Can't wait to see you guys version