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Old 09-21-2009, 09:03 PM   #1
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Catless Downpipe Install. HELP!

So I went to install my catless downpipe last night. But I couldn't get off one of the nuts on the gasket. The top one on the side of the downpipe that has three screws, the side on the opposite side of the midpipe. I'm wondering if there was something I was supposed to do, because it felt as if the nut had like melted into the gasket because of the heat from the cat. Any help would be nice, if all else fails, local performance shop.

Thanks guys
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Old 09-21-2009, 09:04 PM   #2
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just break bolts and get new hardware at autozone
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Old 09-21-2009, 09:05 PM   #3
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It took me about an hour to get those off of my 04 about 2 months ago. I was taking off the stock cat so those biotches were siezed in a good bit. You just gatta put some *** into it. I used a pipe on the end of my rachet for more torque. If you havn't tried that, then give that a try. I also had only the passenger side jacked up on blocks so I had more room to work.
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Old 09-21-2009, 09:07 PM   #4
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It took me about an hour to get those off of my 04 about 2 months ago. I was taking off the stock cat so those biotches were siezed in a good bit. You just gatta put some *** into it. I used a pipe on the end of my rachet for more torque. If you havn't tried that, then give that a try. I also had only the passenger side jacked up on blocks so I had more room to work.
I did the same exact thing dude. Didn't work.
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Old 09-21-2009, 09:08 PM   #5
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ask some rx8 guys in your area to help out
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Old 09-21-2009, 09:09 PM   #6
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LIke I said, I messed with it for a good hour. and WD40 the shat out of them. finally I got a long enough pipe that I could stand next to the car and crank it with all my weight
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Oh I go down..I play with *****.
Get in, sit down, shut up, and hold on!!

The RX-8 is like cocaine. It is addictive as hell, will run you broke, and your wife will leave you unless she is an addict too.
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Old 09-21-2009, 09:11 PM   #7
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so cal lazyness break it and replace it lol
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Old 09-21-2009, 09:11 PM   #8
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Ok. I should of used WD40. I think I'll give it one more shot this week. Call a few of the RX8 dudes over and do this. Thanks guys, I'll keep you posted
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Old 09-21-2009, 09:12 PM   #9
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yeah, just break it, that would be easier. that bolt was a pain to deal with, eventually with enough force it came off on mine
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Old 09-21-2009, 09:13 PM   #10
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This reminds me about why my car is so great. I change exhausts bi-monthly. All the bolts come off with barely any effort. The exhaust hangers are smooth like butter.

It was a bitch to get the cat off the first time though.
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Old 09-21-2009, 09:13 PM   #11
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Breaker bar is your friend
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Old 09-22-2009, 06:43 PM   #12
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So i guess one of the bolts was welded and the other was frozen on. This car is on its second cat, the owner before got his changed under warranty. Anyway, I got the new downpipe put on for $50 at a local shop today. Sooooo loud haha
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Old 09-22-2009, 09:30 PM   #13
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And welcome to the flame club!!!
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Originally Posted by WinningRX8Chick View Post
Oh I go down..I play with *****.
Get in, sit down, shut up, and hold on!!

The RX-8 is like cocaine. It is addictive as hell, will run you broke, and your wife will leave you unless she is an addict too.
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Old 09-22-2009, 11:09 PM   #14
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lol same thing happened to me.. and i ended up just taking it to the shop.
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Old 09-23-2009, 04:35 PM   #15
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haha glad its not only me. I need some resonaters, asap.
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Old 09-23-2009, 10:37 PM   #16
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ok so, i want to install a mid pipe 2, i have the hks cat back hi power. and i want to put in the agency power mid pipe cause its only like 220$. so will this bolt on? do i need to weld it. please help me???
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Old 09-23-2009, 10:56 PM   #17
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it'll bolt on..
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Old 09-24-2009, 01:14 AM   #18
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As long as you have the gaskets, you are good to go. Everything is bolt on for the exhaust.
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Originally Posted by WinningRX8Chick View Post
Oh I go down..I play with *****.
Get in, sit down, shut up, and hold on!!

The RX-8 is like cocaine. It is addictive as hell, will run you broke, and your wife will leave you unless she is an addict too.
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Old 09-24-2009, 01:14 AM
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