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Old 04-13-2024, 06:49 PM   #22
Chutzpah

 
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Drives: Wild Cherry LT1
Join Date: Dec 2016
Location: Massachusetts
Posts: 1,929
Quote:
Originally Posted by ALMN View Post
Well the Corsa NPP axleback was installed and i am actually surprised how deeper and louder it is when the valves are open. Valves closed, at idle and part throttle it might be even quieter than stock. The difference between the valves open and closed is crazy. Definitely worth the money and no drone at all. One negative i have is, by following the instructions, tips stick out further than expected. I may have to cut another half to an inch to push them back in a little bit.
I have the non NPP Corsa, but my guess is the measurements are the same. Just be aware that if you do push the exhaust back (as I did), the tips may abut the thin underside aluminum bumper brace(s). I trimmed the aluminum back a bit, but it’s really not a big deal. When the exhaust heats up, it pushes the exhaust outward, clearing the aluminum braces.
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