why are most exhaust axle back and why are they so expensive? Why aren't there more cat backs?

axle back...because thats where there is a split in the stock system...you can unbolt the stock one and add your new one hassle free...

no real cat back set ups because the cat is welded to the midpipe/resonator....no unbolting and installing the new one...cut and weld...or buy a new cat too...(at least thats the reason on the xB/xA)

thanks

no prob..