i just purcvhased a 15712 magnaflow exhaust and it looks rlely nice i took the stock muffler off but i had troble getting the caddilac converter off the three bolts are like rusted on i was told to torch the bolts and then get them off do you guys have any other idea for a smoother install or should i just get it done professionally?
any help would be great thank you

 

who ever told you that is right. its a bitch to get those out. and you will have to replace them afterwards.

 

try some wd-40 and also try some carb cleaner and maybe an impact gun will crack the bolts loose

 

actually you know you could try some Lime-Away. you know that toilet bowl cleaner? it dissolves calcium lime and RUST deposits. maybe you could give that a shot.

 

Eh, just take a look @ The nuts and bolts, then drive to home depot and get some new ones that will fit. Then just hack saw the rusted ones off.

 

I guess I got lucky then lol, all we did for my stock cat converter was get a steady socketwrench with leverage pole, and banged it a bit with a hammer cam eoff pretty nicely for me, but then again everyone's experience is different.

Though i highly suggest you get a fully new cat liek a random tech and take it off from the head and make a "FULL" catback system.

 

I've done a couple exhaust replacements so I know what you are experiencing.

Torching is doable if you know what you're doing with a torch near highly flammable gasoline.
I would suggest getting a dremel tool, some cutting wheels, and 3 new bolts, 3 nuts and some washers. Cut through the bolt between the nut and catalytic converter. It may take a couple cutting wheels before you are done. Then, remove the bolt. This is the fastest solution and least expense of elbow grease because some nuts are rusted on as strong as a weld. Always wear eye protection. Always use jack stands while under the car. You could get a grinder if you have use of one afterwards. I use my dremel tool for other stuff.
Make sure the bolts are the same diameter, or close, to the ones on there now.

 

liquid wrench and an impact gun could work also... assuming you have access to an impact gun, but seriously... for the headache you will go through a professional install should only run you about $40-50