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well tag says it all..whats the best sounding exhaust for a 5.4 superduty. ive got a k&n kit installed already also..i was thinking of just buying the muffler 70-120 bones at summit and getting it welded inplace of the stocker and getting hte sleeper look to it...suggestions?
Speaking of headers, I was looking into getting some for my 5.4 in F-250 SD 4X4, and only found one maker "Gibson".. They seemed really well thought out but were about $600.. Just wondering if there were other makers??
When i had my 5.4 i installed a flowmaster 40 series from the cat with duals out the back.It sounded great and gave me noticable power increase. I got alot of complimants on the sound but it was a little loud.
the thing is, the factory system is 3"... so you might as well just do a mufffler, and maybe a cat; i put a magnaflow muffler and cat on mine, had $100 into both of them, them added a nice 4" stainless tip.
'04 F350 CCLB 6.0L, 4" turbo back, EGR delete, Atlas 40 FICM, blue spring, SGII, 2.8" minipack,
285's on 16x10's, DVD/audio goodies SOLD
'07 F150 Supercrew Lariat 6.5' box, 5.4l, 3.73 LS now in it's place
Yeah 3" is good for up to 325hp IIRC. What kind of "sound" are you looking for? Obnoxiously loud or a nice rumble with a rather quiet idle? Ravin makes 2 or 3 different catback mufflers and Midas carries them. If you get headers long tube are the only way to go but also incredibly hard to find.
Redford ,it seams to run a little better , but not the kind of difference you get from a gear change etc. also I just heard a brand new system that a guy ordered from dynomax ,for his 05 f250 5.4l , so new they don't have it on the web site yet , it replaces the cat back system with one oval muffler and two 2 1/2" rear exit pipes , sound awesome , I thought my gibson sounded great till I heard this system , Craig.
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