Quote:
Originally Posted by Blighty
I get this exact noise in my 2022 BRZ.
Only started hearing it with the back seats down, and its almost like its after a short load up time it starts making a light air escaping noise, then when I back off the throttle it takes about 1 or 2 seconds and the hiss fades out. Back on the throttle and after a second or so it fades back in.
Wondering if its the secondary cat or something that is filling or saturating and then its either leaking or vibrating something to sound like an air leak or something.
Did you ever have a problem with it over time?
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When was the last time they posted?
How many post other than the one you quoted have they made in the thread.