Sounds like a leak (as the people above me are saying). I'd get under to check for leaks, probably near the clamp, if you have just the axle back it's probably blowing by near that "crushed section" of stock pipe, I had the same issue. Borla is aware of the issue, as some of the crushed sections vary in length from GM, Borla gave me a few options and helped me fix it.
I'd give them a call or email them.
Quote:
Originally Posted by doodlle
Borla ATAK no NPP
Hello guys, I had this installed on my 16ss and I have a major "blowing plastic bag" sound when I give it any throttle. The sound is coming from the front/mid part of the exhaust. Has anyone ever had any issues with this? any advice would be outstanding!
The actual exhaust tone is Fantastic however the 'extra' noise is really bad.
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