First post - welcome to JF
Unless you really want to wash your hard earned cash down the drain - skip the K&N type filter stuff on your KJ's 3.7... You are not going to see real
performance gains. But if you see enough TV and magazine ads, you might start to believe it will. Just saying. These puppies weigh in at over 4000#s.
05 TJ RME 42RLE with some things
05 KJ CRD 545RFE, GDE Eco tune, Franky II, Al's 4.5 A-arms, JK Rubi Moabs, Silent Armors 245-70-17's, Spidertrax Adapters, Rola Basket, Fumoto Valve, Pinch welds pounded - Sold 2015