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I have a 1993 F-150 Single cab long bed 5.0l 4x4 with 5 spd manual trans. I recently bought a set of long tube headers from summit. I am looking to run them into a Y pipe into a single 2.5in pipe through a muffler with a single exit behind the passenger rear wheel. I am looking for advice on a mid range muffler and any other advice you can offer on the matter. I am looking for a nice "throaty" sound without being too obnoxiously loud.
I just installed a Gibson straight through muffler on my 460. It was a 3” in and out, and when I pulled it out of the box, I thought it was going to be obnoxiously loud.
I was pleasantly surprised on how good it sounded. Not obnoxious at all and it’s quiet in the cab.
On my Dodge Ram I have true dual system with straight through glass packs that gets a pretty loud rap to it. The Gibson on my Ford is definitely quieter when on the gas.
Are you keeping your truck's catalyst? That will quiet things down a bit.
I kept the cat on my 460 truck, and used a 3"in/out straight through stainless Magnaflow - sounds terrific! For your 2-1/2" pipe, try this one: https://www.summitracing.com/parts/mpe-12646
For a nice mellow sound, Dynomax Superturbo or Thrush Hush both USA made and don't drone like Flowmaster type mufflers.
^^^ I concur with this! ^^^ Dynomax have great sound, and in magazine testing flowed better than 'Dronemasters".(I can't remember which magazine it was, but probably ~15 years ago. Do a search on muffler comparisons yourself) Hush Thrush were not nearly as good.
I have a pair of 2-1/2" Dynomax SuperTurbos behind my 400+hp 393W. Just for giggles, I made back-to-back passes within 15 minutes of each other - one with the headers 'uncorked' and one through the full dual exhaust (2-1/2" H-pipe, dual 2-1/2 pipes to the mufflers, dual 2-1/4" tailpipes. NO difference in ET or MPH! Yes, they flow that well!!!
If you keep the catalytic converter, a muffler delete or cherrybomb/glass pack should be good, those cars silence the sound by a whole lot, if not stick with the originals and get a flowmaster 40 series
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