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Old 04-30-2017, 02:59 AM   #1
wbt2012
 
Drives: 2012 Mustang GT, 2017 Camaro 1SS
Join Date: Mar 2017
Location: TX
Posts: 47
Flowmaster 817746

I installed this on my wife's 1SS this past Friday and here are my thoughts:

1. The stock NPP muffler is much lighter than I expected.
2. I think the Flowmaster dual muffler setup is a a bit heavier which was a surprise to me.
3. The Flowmaster setup sounds better and there is no drone which is very surprising and pleasing.
4. Fitment was really great and experienced no issues. Everything lined up perfectly.

If you want extra sound this is worth the buy. If you are hoping it is lighter than stock that isn't the case. GM did a great job with cutting the lbs. out where they could on this car.
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