Well, i dont know where you guys find your parts,but as far as performance goes, i have yet to see cheap parts anywhere online....cheapest catback ive seen so far is 500 buckswhich isnt to bad however for a good one they want 1200....thats crazy steep...i paid 570 for a full stainless catback for my maxima about a year ago...but maybe you guys know some places i dont lol, and my question to you all is....can i put a fem emissions cat on a cali emissions car? im not really a big fan of paying 600 for a cat... also what intake would you recomend? i was thinking of buildin my own CAI