I had a few small leaks that I took care of after installing the Q300 exhaust on the sedan. When walking around the car I could of sworn there was still a leak present. Couldn't locate it though. After a few hundred miles of driving/heat cycles, the noise is gone. It's now been over 6500 miles since the install and no recurrence.
When you're driving the car, there's so much road/engine noise, i'm really not sure how you can hear an exhaust leak unless it's really obvious.
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G37S Sedan 6MT, Eibach swaybars, Invidia Exhaust, Weaker Clutch Pedal Spring
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