Flinkly Posted August 7, 2018 Share Posted August 7, 2018 watch out, those Amazon comment people are jumping all over the car guys for trying to use 300V in their cars (since it appears made for motorcycles). * Build Thread * 26.53 MPG - 12 month Average * Link to comment Share on other sites More sharing options...
xt2005bonbon Posted August 7, 2018 Share Posted August 7, 2018 I am about to remove my oem mufflers and replace them with the AVO cans, while keeping the stock midpipe. I am planning to use permatex ultra copper to seal the cans to the stock flanges. No metal gaskets. Do you guys think this will work? Link to comment Share on other sites More sharing options...
Chris GTO TT Posted August 7, 2018 Share Posted August 7, 2018 It should work but you need to wait at least 24 hours before you drive it for it to cure and seal properly. 2003 Baja 5MT 2016 Outback 2.5i Premium w/Eyesight Link to comment Share on other sites More sharing options...
xt2005bonbon Posted August 7, 2018 Share Posted August 7, 2018 Thanks for that. The wait time will not be an issue. That car does not move much during the week anyway. I'll try to tackle this tonight.Time to pull the sawzall cause the stock bolts are in really bad shape. Lots of corrosion there.. Link to comment Share on other sites More sharing options...
lilredwagon Posted August 7, 2018 Share Posted August 7, 2018 Changed my plugs over the weekend and check out what came out: You may not be able to see it, but there are two Champion plugs, an Autolite, and an NGK. And in the second photo, you can see that the NGK is shorter than the other three! Glad I pulled them. Link to comment Share on other sites More sharing options...
xt2005bonbon Posted August 7, 2018 Share Posted August 7, 2018 What the heck??? When did you get this car? Link to comment Share on other sites More sharing options...
lilredwagon Posted August 7, 2018 Share Posted August 7, 2018 I got it in Feb of this year, so I've had it for about 6 months. Bought it from a dealer. Yup. Early on, I suspected an ignition problem and changed the coil packs because the dealer said they changed all the plugs before I picked it up. The new coil packs fixed the issue, little did I know they were actually making up for a set of wildly mismatched plugs! I'm really surprised it ran as well as it did with the plugs in there. Link to comment Share on other sites More sharing options...
xt2005bonbon Posted August 7, 2018 Share Posted August 7, 2018 sigh. dealers... What is the part number on that ngk plug? Link to comment Share on other sites More sharing options...
Flinkly Posted August 7, 2018 Share Posted August 7, 2018 reminds me of my car. bought from a VW dealer and when i took it in for the first (and last) subaru dealership service, they let me know that the brand new accessory belts were both the wrong size. so i ended up having them replace both. i guess the VW dealership never said the new belts were the CORRECT belts... * Build Thread * 26.53 MPG - 12 month Average * Link to comment Share on other sites More sharing options...
lilredwagon Posted August 7, 2018 Share Posted August 7, 2018 I threw it out without checking. But looking at the pic, it looks like PFR6G - a stock EJ205 plug from a 2.0 WRX motor. Pulling those plugs was like reaching into a grab bag! Link to comment Share on other sites More sharing options...
funnyman06 Posted August 8, 2018 Share Posted August 8, 2018 So the car is out of the garage again. Brakes are much better now and the cat issue has been resolved. Time to get it over to my buddy so he can align it, hopefully this week or early next. Sadly it has to go back under the knife sooner than later... Coolant return hardline is leaking and needs to be replaced. Valve covers are also leaking but i might not touch them. Link to comment Share on other sites More sharing options...
xt2005bonbon Posted August 9, 2018 Share Posted August 9, 2018 Removed my stock mufflers for the first time after 9 years of ownership. 'Only' took 3 hours to take off 4 bolts . Will replace these mufflers with the AVO ones. The stock flanges have lost some thickness in some areas due to corrosion. Now I don't know if the Ultra copper will be able to fix that. I hope so... Link to comment Share on other sites More sharing options...
Flinkly Posted August 9, 2018 Share Posted August 9, 2018 Removed my stock mufflers for the first time after 9 years of ownership. 'Only' took 3 hours to take off 4 bolts . Will replace these mufflers with the AVO ones. The stock flanges have lost some thickness in some areas due to corrosion. Now I don't know if the Ultra copper will be able to fix that. I hope so... i was gonna say before (but didn't), the previous owner had "hogzausted" my mufflers and so the flange faces looked terrible. had to file them down a little before putting in new gaskets. had them off for rear sway change. * Build Thread * 26.53 MPG - 12 month Average * Link to comment Share on other sites More sharing options...
xt2005bonbon Posted August 9, 2018 Share Posted August 9, 2018 I see. The thickness of my flanges is larger where the bolts go but smaller half way between the bolts if you see what I mean. I will sand the flange face, clean them well, use the ultra copper and hope for the best. But I will have to go buy some bolts this evening. You think stainless steel bolts would be OK there? I hate rust.. Link to comment Share on other sites More sharing options...
Chris GTO TT Posted August 9, 2018 Share Posted August 9, 2018 Did my talk of the mufflers spur you to tackle this? I agree sand it as flat as possible without taking too much of the material away. Then put the ultra copper on one side of the mating surface. Do your best to not smear the bead and get it mated before it starts to skin over. 2003 Baja 5MT 2016 Outback 2.5i Premium w/Eyesight Link to comment Share on other sites More sharing options...
xt2005bonbon Posted August 9, 2018 Share Posted August 9, 2018 Did my talk of the mufflers spur you to tackle this? At least you have convinced me (in addition to what I found on the web) that the Ultra copper stuff should work by itself to seal the exhaust flanges. I agree sand it as flat as possible without taking too much of the material away. Then put the ultra copper on one side of the mating surface. Do your best to not smear the bead and get it mated before it starts to skin over. Yeah. I carefully read the instructions this morning. Although I got a bit confused as one set of instructions says to do what you said and torque to spec right away. Then wait 24 hrs to cure. Another set of instructions said to get the bolts finger tight until the silicone squeezes out a bit; wait an hour and torque to spec, then wait 24 hrs to cure. Link to comment Share on other sites More sharing options...
rougeben83 Posted August 9, 2018 Share Posted August 9, 2018 i was gonna say before (but didn't), the previous owner had "hogzausted" my mufflers and so the flange faces looked terrible. had to file them down a little before putting in new gaskets. had them off for rear sway change. I would say the muffler flanges on the stock system are pretty bad corrosion-resistance-wise. When I took my system part, half of the muffler flanges flaked off into my hand, leaving me with bent, paper-thin flanges... Link to comment Share on other sites More sharing options...
xt2005bonbon Posted August 9, 2018 Share Posted August 9, 2018 I would say the muffler flanges on the stock system are pretty bad corrosion-resistance-wise. When I took my system part, half of the muffler flanges flaked off into my hand, leaving me with bent, paper-thin flanges... That's kind of what happened to mine. The original gasket was actually still in one piece with corroded pieces of the flange stuck to it. Link to comment Share on other sites More sharing options...
Rhitter Posted August 9, 2018 Share Posted August 9, 2018 I would say the muffler flanges on the stock system are pretty bad corrosion-resistance-wise. When I took my system part, half of the muffler flanges flaked off into my hand, leaving me with bent, paper-thin flanges... That's the same that happened to me. My mid pipe flanges are all sorts of fucked up. My OBXT build Link to comment Share on other sites More sharing options...
Flinkly Posted August 10, 2018 Share Posted August 10, 2018 hmm, can just ad an -ed and get past the filters? * Build Thread * 26.53 MPG - 12 month Average * Link to comment Share on other sites More sharing options...
xt2005bonbon Posted August 10, 2018 Share Posted August 10, 2018 Do you guys think it will seal? Doing a test fit right now... Link to comment Share on other sites More sharing options...
WRX USA Posted August 10, 2018 Share Posted August 10, 2018 I’m pretty sure I bent a tie rod today. This is a perfectly straight road. Might be an excuse to upgrade to a ‘15+ STi steering rack. Link to comment Share on other sites More sharing options...
xt2005bonbon Posted August 10, 2018 Share Posted August 10, 2018 Do you guys think it will seal? Doing a test fit right now... Well, I went ahead this morning and used the Ultra copper stuff to seal those gaps. I actually think it will work. And I am also quite surprised how the AVO mufflers fit so well using the stock rubber exhaust hangers. I will start the car tomorrow morning. Wish me luck! Link to comment Share on other sites More sharing options...
xt2005bonbon Posted August 10, 2018 Share Posted August 10, 2018 I’m pretty sure I bent a tie rod today. This is a perfectly straight road. Might be an excuse to upgrade to a ‘15+ STi steering rack. Yeah. That's odd. Pretty easy to inspect your tie rods though. Link to comment Share on other sites More sharing options...
Chris GTO TT Posted August 10, 2018 Share Posted August 10, 2018 Kinda chickening out on buying that 3.0R Outback 2003 Baja 5MT 2016 Outback 2.5i Premium w/Eyesight Link to comment Share on other sites More sharing options...
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