Quote: Originally Posted by
bribri 
the only ones to make a 4" are JMB i think...but you also need to relocate the battery or it comes with a smaller one (i forget). Anyways AGP sells the 4-3" reducer then that goes on their 3" intake...
there are others, and if you call AGP they might make one for you... i know of a few other vendors that offer a 4" intake but will not say who they are in here out of respect for AGP