Tanabe Exhaust Install help IS250
#1
Driver
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Tanabe Exhaust Install help IS250
I just installed the Tanabe Medallion exhaust on my 2007 IS250. In the process, I did replace the exhaust gasket with new Lexus OEM gasket. I torqued the spring bolts to 32ft/lbs as instructed by service manual. The spring is fully compressed and there's still some gap, to the point you can see the actual gasket. Is this correct? I couldn't seat the tanabe pipe to the OEM pipe any closer. Thought about using C-clamp or tightening the bolts further but I was afraid I will either damage the pipe or break the bolt. Please let me know if this is installed correctly. Thanks.
Last edited by TakaM; 11-03-18 at 10:09 PM. Reason: typo
#2
Is it leaking? The Tanabe should still be fairly quiet. So if the exhaust is pretty loud , you most likely have an issue. I reused the OEM gasket with no issues.
#3
Driver
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It’s quiet and did’t feel any leaks at idle. But with springs fully compressed, it probably doesn’t have the flexibility that OEM exhaust had. Wanted to double check to avoid any future trouble. Does your install look similar to this?
#4
I have a different brand axleback , so it looks different but I would just monitor it and see how it goes. If it sounds like a straight pipe at some point , you have a problem. Lol. Also , it is normal for them to get a little louder as they break in.
#6
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#8
Driver
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I did at idle and felt no leak. Not sure if it leaks under acceleration. It's just the design seems strange as because spring is fully compressed, it no longer has the flexibility.
#10
Driver
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I've also tightened the bolts alternating both sides gradually so that it tightens evenly (my ocd nature).
I agree with MikeFig82 that Tanabe exhaust was designed this way (not sure why).
#11
Sorry for the late reply, but it is 100% normal. I did a F Sport exhaust install over the weekend and it looks just likes yours. I then checked on a stock IS350 and sure enough it was like yours and the F Sport install. I put my hand over the pipe and no leak. Enjoy your exhaust!
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