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Old 09-03-2013, 04:48 PM   #22
ArkGL01
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Join Date: Mar 2012
Location: Nlr Arkansas
Posts: 254
Re: Best Muffler for a LSX?

Ok I just put 5.3 with procharger on my truck and had flowmasters. Just today I went down and had magnaflows put on and it was NIGHT AND DAY! So much better and a lot more horse power! It woke my truck up a lot!!!!
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really clean 72! http://67-72chevytrucks.com/vboard/showthread.php?t=531183[/url] also 1972 2wd blaze.
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