i just bought an 80 series flowmaster and i can't wait to put it on, but I can't get the old one off! argh!! we tried heating it up with a propane torch, lots of WD-40, and a whole 'lot of hammering, but it's on good. I want to keep the stock tailpipes. Any suggestions on getting it off?
Thanks!!

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1985 305 Z28
White w/Red interior
Mods:
GTS Headlight Covers
K&N Chrome Element and Filter
Flowmaster 80 series muffler
Chrome Valve Covers
Future Mods:
Aluminum Intake
3.73 Posi

I'm the same age as my car

 

2 options

a) cut it off with highspeed diegrinder using a cut off wheel

or

b) cutting torch or a plasma cutter =]