Hi everyone, I bought a used GR performance exhaust. The previous owner disconnected the muffler from the mid-pipe. And from the looks of it, the donut gasket was damaged. Anybody know what gasket I need? It looks like it's 2.5" inner diameter but I've never replaced one of these before. Do I also need the 3 hole gasket on top of this? Or just the donut gasket?
MX5-Nut
There are two gaskets. One is the donut gasket towards the front of the car (front pipe to midpipe) that is reusable. The other is mid pipe to muffler which is more questionable to reuse with the GR exhaust because the TRD one is so soft. The donut gasket should still be on your car, and I wouldn’t replace it unless you get a leak. The other gasket is available as part of the TRD exhaust hardware kit PTR03-18131-AA. You can order it from any Toyota dealer.
It might be OK. It’s made out of very soft material so reusing it is a little iffy compared to the hard metal donut. Make sure you torque the three mid pipe to muffler nuts to 35 ft lbs. You could check for leaks after that and see how it looks.
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