Quote:
Originally Posted by German Straight-6
How does that work? Unless MPPSK is specifically tuned for this, it doesn’t make any sense to have a muffler bypass because the ECU would have to adjust back and forth over the course of 350miles for optimal sound and performance.
Have you considered putting your resonator back on? It would tune the exhaust to sound exotic while getting rid of drone/rasp without affecting the overall volume of your exhaust.
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Yes, the mppsk is tuned for it. Yes the ecu adjusts back and forth over 350 miles, just like the engine turns over and over 350 miles.
The MPPSK is cat-back from factory, OP didn't delete it himself. There is no drone with MPPSK or with resonator delete on stock exhaust (I've deleted mine).
Google mppsk and you'll see a ton of info