Just about done with my project total rebuild on my 88 trx250r. My stock airbox is destroyed, way above fixing.
I need a new one. I'm not sure what engine package i'm going with yet but I need a new airbox that still uses the stock inlet pipes. I've heard of gradon and lonestar. does anybody know if these two use the inlet pipes and do they have lids or do you got to use the stock lids??? Or is it best not to use inlet pipes??? Your answers will be very helpful! thank you!!

 

Go with a new or good used stock unit. I have yet to find an aftermarket one worth the money and I have used both of the ones you mentioned as well as a OMF. They all have too small a volume, and use cheap mountings. If you really want an aftermarket one, I have two that came with my Roll Design chassis and I will sell you either one as all they do is sit on the shelf.

 

i would go with dg or maier you can get these from dennis kirk or chapperal a 400ex one will fit it because that 400 is designed on the 250r frame