11-29-2012, 04:44 AM | #1 | |
Drives: 18 ZL1 A10 & 18 2500HD Duramax Join Date: Oct 2012
Location: Chicago, IL
Posts: 733
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Magnaflow exhuast!
Just saw this video on MagnaFlow youtube channel.. At the end of the video it shows "25HP & 20 LB-FT Gain" They don't show a dyno sheet though. I find it a little hard to believe to get that much gain from just a catback.. What do you guys think?
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11-29-2012, 06:51 AM | #2 |
Drives: 18 ZL1 A10 & 18 2500HD Duramax Join Date: Oct 2012
Location: Chicago, IL
Posts: 733
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