I3eXa Posted December 9, 2014 Share Posted December 9, 2014 Ok, I think I'm about ready to bit the bullet and wanted to make sure I've got everything I need. Anyone care to double check me??? 2005 LGT auto sti catless uppipe invidia catless downpipe Grimmspeed gaskets: 2-exhaust manifold to head 1-downpipe to turbo 1-uppipe to turbo 1-uppipe to manifold 1-3" 2 bolt 1-donut 1-3" to 2.5" stock exhaust adapter Do I need to take off the crossover pipe or no? Anything else I'm forgetting? Link to comment Share on other sites More sharing options...
Moderators BarManBean Posted December 9, 2014 Moderators Share Posted December 9, 2014 No on the crossover, just disconnect the exhaust manifold / crosspipe all as one unit (disconnect from up pipe, then from both cylinder heads). What are you doing about your EGT sensor? Do you have a resistor for that or plan to delete the code from your tune? Are you all set to flash your stage 2 map? Consider checking / removing / replacing your banjo bolt while the up / dp are out of the way. Also zip tie all of the vacuum lines that you see while you're in there. "Bullet-proof" your OEM TMIC! <<Buy your kit here>> Not currently in stock Link to comment Share on other sites More sharing options...
I3eXa Posted December 9, 2014 Author Share Posted December 9, 2014 Yes, forgot about that part. I have a AP that I will delete the EGT sensor code and all set to flash to stage 2. I was planning on doing the banjo bolts too (thanks for the reminder) and didn't even think about zip tying all the lines but will now! I figured I could do the man/crosspipe as one piece but wasn't sure. Thanks for the help BarManBean! Link to comment Share on other sites More sharing options...
angeltalin Posted December 9, 2014 Share Posted December 9, 2014 Does your up pipe have the studs installed already? Maybe have some on hand incase the original are/get stripped StageIII Cryotune-Kinugawa STS TD06H-20GTX 9 blade turbine, ID1000, DW65c, 73mm MegaMAF , GS EWG up-pipe, Downpipe and EBCS, FMS FMIC, TGV Delete, Brembo swap Link to comment Share on other sites More sharing options...
angeltalin Posted December 9, 2014 Share Posted December 9, 2014 Also I know some people, as well as myself, have replaced the bolts that secure your intercooler to turbo with studs and a self locking nut so the aluminum turbo housing doesn't get stripped from removal and install over and over StageIII Cryotune-Kinugawa STS TD06H-20GTX 9 blade turbine, ID1000, DW65c, 73mm MegaMAF , GS EWG up-pipe, Downpipe and EBCS, FMS FMIC, TGV Delete, Brembo swap Link to comment Share on other sites More sharing options...
Moderators BarManBean Posted December 9, 2014 Moderators Share Posted December 9, 2014 ^^yup, good idea. We just pulled the TMIC on my friend's 2012 WRX for the first time and one of those bolts was cross-threaded from the factory. Had to re-tap it, annoying. "Bullet-proof" your OEM TMIC! <<Buy your kit here>> Not currently in stock Link to comment Share on other sites More sharing options...
I3eXa Posted December 9, 2014 Author Share Posted December 9, 2014 Does your up pipe have the studs installed already? Maybe have some on hand incase the original are/get stripped Yes it does have them installed already. Have a buddy that should have some spares if I run into trouble. Haven't looked at the tmic to know what you mean so I'll have to take a peak before the weekend. Link to comment Share on other sites More sharing options...
reso Posted December 9, 2014 Share Posted December 9, 2014 Hi, I'd be interested to see pictures and hear how your UP/DP install goes... I'm thinking about putting in a catless uppipe on my '05 OBXT 2.5LTD to remove the risk of the cat blowing chunks into the turbo, but I'm a little hesitant to dig in before I know what to expect Link to comment Share on other sites More sharing options...
I3eXa Posted December 9, 2014 Author Share Posted December 9, 2014 Hi, I'd be interested to see pictures and hear how your UP/DP install goes... I'm thinking about putting in a catless uppipe on my '05 OBXT 2.5LTD to remove the risk of the cat blowing chunks into the turbo, but I'm a little hesitant to dig in before I know what to expect I'm sure if you look around there has gotta be a pictured walkthrough even if it's for a wrx it shouldn't be that different but I'll see if I can't snap some pics through it all Link to comment Share on other sites More sharing options...
Legit_LGT Posted December 11, 2014 Share Posted December 11, 2014 Hi, I'd be interested to see pictures and hear how your UP/DP install goes... I'm thinking about putting in a catless uppipe on my '05 OBXT 2.5LTD to remove the risk of the cat blowing chunks into the turbo, but I'm a little hesitant to dig in before I know what to expect I just did this last weekend on my '06 LGT Wagon. I installed the COBB Up-Pipe and all new gaskets. There are a few videos on you tube which are nicely detailed. I used a lift and had help from two friends, none of us had much experience with this type of install and the whole up-pipe install and gasket replacements took a total of 4 hours. This job would have been way more time consuming without the use of a lift. The night before, I suggest removing the turbo heat shield and spray some PB Blaster on the down-pipe bolts and up-pipe bolts to allow sufficient time for the PB Blaster yo penetrate. The number on thing I was worried about was stripping or shearing off a bolt. Letting PB Blaster soak in over night should prevent this. I did not break any bolts during the install. I replaced all 7 gaskets just because it was easy to do and this ensured that there would be no exhaust leaks and no potential loss of boost. The stock up-pipe has a ETG sensor which prevented easy removal. If you have an Access Port with the Stage 2+ off the shelf map installed, then the ETG sensor has already been deleted so you can discard the sensor and not worry about getting a CEL. The replacement up-pipe went in way easier than the old one came out. I torqued all bolts to 26 ft/lbs. My car got a little bit louder, it is now at 114 dBm. I like how it sounds, and now I don't have to worry about "the cat blowing chunks into the turbo". Link to comment Share on other sites More sharing options...
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