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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
When I first switched from flowmaster 2 chambers to the slp lm1's it made it alot louder. It had the same tone but was alot more raspier. Now since i'm running 11.5.1 compression with a big cam and ported out exhaust ports it made it twice as loud.
whats the difference in sound when you put them on there with your flows as opposed to without?? Is it just how loud it will be or does it change the actual sound of it?
they go in place of your flowmasters. SLP uses baffled tubes (resonators) instead of mufflers. they weigh less, too.