This is a DIY if you can raise the vehicle high enough to get under. You need to disconnect the exhaust pipe from the CAT. You need a floor jack to transfer weight from the A/T. You should plan on ordering the two self-locking nuts, two bolts and two springs. Also buy the exhaust sealing gasket. The rear A/T mount a few yrs ago sold at discount for approx. $120. All the parts were under $150. Takes longer to lift the vehicle than to R&I the part.