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5.7L Vortec Exhaust advice?

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Old 09-11-2012, 09:28 PM
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Don't do glasspacks. I tried it, and the drone and just general sounding like an idiot gets old. I put the stock mufffler back in. I'm going to try one of these when I quit being lazy: MagnaFlow 12599 - MagnaFlow Performance Mufflers - Overview - SummitRacing.com


Back-pressure doesn't help torque, it's been proven time and time again but the old myth still lives.
Old 09-11-2012, 11:05 PM
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Originally Posted by Chevy_freak
Don't do glasspacks. I tried it, and the drone and just general sounding like an idiot gets old. I put the stock mufffler back in. I'm going to try one of these when I quit being lazy: MagnaFlow 12599 - MagnaFlow Performance Mufflers - Overview - SummitRacing.com


Back-pressure doesn't help torque, it's been proven time and time again but the old myth still lives.
not to mention most glass packs are louvered inside and are a major restriction and kill performance. a key ingredient of the classic case of stomping the gas, making lots of noise and going nowhere
Old 12-19-2018, 09:48 PM
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Originally Posted by PRO TOUR HOE
i ran gibson shorty headers and flo masters the 5.7 before the swap sounded really goodAttachment 130584
PRO TOUR HOE I know this post is ancient but what super charger/ intake set up were you running in that picture on that 5.7 vortec.
Old 12-26-2018, 12:39 PM
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Looks like the Magnacharger they made for the L31 years ago.

EDIT- I found the Magnacharger installation instructions. Definitely a Magnacharger.

http://www.superchargersonline.com/i...996-005.7L.pdf

Last edited by Fast355; 12-26-2018 at 12:51 PM.
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