hye guys i came on here a while ago asking on how to install a test pipe for a crx si. got some good info and it seemed really easy. well today i tried to install it and while taking off the stock converter, i got the first two bolts off that was connected to the headers but when i got to the three bolts where the exhaust is everything just went wrong. a 14 was just a little bit too big and a 13 was just a little bit too small. i tried and tried to think of ways to take it off but with no luck. so i need help. have any of you had this problem? if so let me know.

 

crescent wrench?

 

no i tried that it's too big and hits the exhaust so thats out of the picture. is there anything inbetween a 13 and 14 that i could use?

 

maybe one of those gator grip sockets but I just get a dremel on it and shave it down a little to fit the 13mm and then just replace it once its out

 

washington eh. i bet those bolts are rusted to ****. try some vice grips or this thing called bolt out. bolt out has saved my *** many times

 

Yeah spray some De-Rust chemical on it (apply liberally) and hit it with a socket if your crescent wrench doesnt work... I seriously can not see a situation where you can't use a crescent wrench down there though.

 

Did you ever think someone could've put a standard sized on there??? I'd say try that...

 

man today i went and looked at it again and the bolts are rusted to **** it even looks like it's part of the screw now. i think i might just try to take it to the muffler shop and see if they're willing to put it on for me. the only thing is it's for off road use only so i dont know.

 

Saw-zall FTW. Right between the two pipes...

 

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Or try to use a standard socket to see if that will grab it. If that doesn't work try the above or air chissel the crap out of it...

 

I just ran into the same problem when installing my new exhaust. What I did was I took my grinder with a cutter wheel and ground off the end nuts that face toward the back of the car. Once they were ground down, I used a punch and hit those suckers out.

 

Yea, when i had to replace a reinforcement on my rear bumper i had to cut out all the rusted nuts and bolts with a pheumatic air grinder and grinded them off and replaced with new nuts bolts.

 

Soak it with P-B blaster:


Heat it up with a torch,
Mapp gas is better,but even a small butane one like this will do:


Heat and soak several times and
then use one of the sockets for stripped nuts like this:
Also:Coat the studs with anti-seize compound for next time you have to do this,,

 

id say try and hammer the 13 on and start with that. mabey even get a 12 point 13mm. if not then

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i use these little jems at work EVERY day for exhaust work. they never failed me!

 

for pb thats what i had to use to get mine off when i made my test pipe. Also it makes it a little easier if you drop the exhaust hangers. You can get to it better. Just let the pb soak for a while then respray it and then go for it.

 

heat em up even a propane torch can get the rust glowing red. once its red hot , dump ice cold water on them, do this a couple times for each nut. the expansion and immediate contraction from the temp difference will break the rust