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I have a 2008 IS250 awd as well and as far as i can tell my stock mid pipes are the same on either sides as well and im extremely confused.
They're not the same. If under the car looking up near the front drive shaft for the front differential. There is a bend to clear it going to bank 2 exhaust manifold.
You can install a rwd mid pipe on an awd, all is needed is to modify the driver's side pipe. I've done this on mine using a rwd, it's cost me around $350.
no problem, I'll have to redo the midpipe now since ppe headers are installed it got raspy. Perfect time to do a true dual exhaust. Just know that the passenger side pipe will line up, just not the driver side.
no problem, I'll have to redo the midpipe now since ppe headers are installed it got raspy. Perfect time to do a true dual exhaust. Just know that the passenger side pipe will line up, just not the driver side.
From this picture you posted do you think there is a possibility of a small exhaust leak? There seems to be some soot that has marked both flanges. Did you experience some raspiness once this was done on stock manifolds? Try adding double gaskets on the flanges to get a better seal. The aftermarket one could be a little warped. Also it may trigger a rear O2 sensor code down the road.
From this picture you posted do you think there is a possibility of a small exhaust leak? There seems to be some soot that has marked both flanges. Did you experience some raspiness once this was done on stock manifolds? Try adding double gaskets on the flanges to get a better seal. The aftermarket one could be a little warped. Also it may trigger a rear O2 sensor code down the road.
These pictures are 3 years old and I'm only using them as reference for awd owners, the gaskets that came with the invidia arent great so I replaced them with aftermarket gaskets from ebay and that did the job and since then no issues. I've only replaced them earlier this year once I had ppe headers in. I had o2 sensor codes show up a few years ago after the first week of install for the invidia. There was no raspiness since I didn't touch the manifolds at the time and my setup was invidia midpipe and f sport axleback. Don't worry I know what I'm doing.
