Im wondering if a GC air filter will fit in my XJ?

 

Why? And not really.

 

Found a k&n on craigslist for $10

 

Just pass it up, you'll gain nothing and end up spending more for a ZJ airbox. I have a bridge I'll sell you for 9 bucks.

 

A bridge?

 

Yeah, it spans over a body of water and connects two land masses. I figure if you have some money to spend on something just because it's on craigslist, you might as well buy my bridge.

 

Man, I wish I could put everything you say in my sig. Amazing.

 

OP, if you're in need of a new air filter, just go pick one up that's a direct fit.

A K&N for your Renix has a different part # than one for a GC

 

Wow, no reason to be rude, thanks for the info

 

Hah don't worry I'm sure he meant it just to be sarcastic.
Too be honest the Spectre brand filters do the same as the K&Ns. I have gone through both filters and found no true difference besides the price.

Look into a cold ait intake...the true ones like a cowl intake. Much better gains