Stock mid-pipe to muffler bolts

Mrsocal · 05-22-2019, 01:09 PM

I was helping a buddy install some test pipes yesterday and we couldn’t get the nuts loose off the mid-pipe to stock muffler. So we cut them. Little
Did I know that those bolts don’t come out. So unless we drill them out somehow, is a new mid-pipe our other option? Thanks guys

Zezus · 05-22-2019, 01:25 PM

Those studs should come out. use a hammer and chisel and some PB blaster. Or a drill.

Mrsocal · 05-22-2019, 02:46 PM

Quote:

Originally Posted by Zezus

Those studs should come out. use a hammer and chisel and some PB blaster. Or a drill.

Man, I put pb blaster on them and let them sit for about 8 hours and hammered on them non stop and still got nothing. I’m not sure if they’re just really rusted in or what...

Zezus · 05-22-2019, 02:51 PM

Air Hammer?
And you're hitting the threaded part towards the flange right?
I know that sounds self explanatory but you wouldn't believe the **** I have seen over the years.

Spooler · 05-22-2019, 02:53 PM

Yeah, you messed up. Those studs are welded in. You will need a torch to cut the welds or get a used midpipe.

Jayhovah · 05-22-2019, 02:54 PM

^^^ That. A little heat from a torch may also help.

Spooler · 05-22-2019, 02:55 PM

Wrong section too. Next time, post in the Intake/Exhaust section.

Mrsocal · 05-22-2019, 03:07 PM

Quote:

Originally Posted by Spooler

Wrong section too. Next time, post in the Intake/Exhaust section.

My bad.

05-22-2019, 01:09 PM	#1 (permalink)
Mrsocal Base Member Join Date: Mar 2014 Location: Utah Posts: 14 Drives: 2013 370z Rep Power: 11	Stock mid-pipe to muffler bolts I was helping a buddy install some test pipes yesterday and we couldn’t get the nuts loose off the mid-pipe to stock muffler. So we cut them. Little Did I know that those bolts don’t come out. So unless we drill them out somehow, is a new mid-pipe our other option? Thanks guys

05-22-2019, 01:25 PM	#2 (permalink)
Zezus Enthusiast Member Join Date: Dec 2018 Location: Cincinnati Posts: 354 Drives: 2016 370z sport 6spd Rep Power: 50338	Those studs should come out. use a hammer and chisel and some PB blaster. Or a drill. wideglideleon likes this.

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05-22-2019, 02:51 PM	#4 (permalink)
Zezus Enthusiast Member Join Date: Dec 2018 Location: Cincinnati Posts: 354 Drives: 2016 370z sport 6spd Rep Power: 50338	Air Hammer? And you're hitting the threaded part towards the flange right? I know that sounds self explanatory but you wouldn't believe the **** I have seen over the years.

05-22-2019, 02:53 PM	#5 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 13,791 Drives: 2013 Nismo 370z Rep Power: 2684392	Yeah, you messed up. Those studs are welded in. You will need a torch to cut the welds or get a used midpipe.

05-22-2019, 02:55 PM	#7 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 13,791 Drives: 2013 Nismo 370z Rep Power: 2684392	Wrong section too. Next time, post in the Intake/Exhaust section.