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Flowmaster
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Posted by: detroitmuscle

I just wanted to know how i can tell if i have super 40 flows and not delta series mufflers b/c i expected it to sound louder when i put an off road h-pipe on my 91 gt 5.0......I still have stock headers and they are pretty skinny could that be cutting down on sound or could it be the stock turn downs b/c i was wonder if i dumped the tips right after the mufflers would it be louder???? Any tips would be awsome

Posted by: detroitmuscle

Will somebody please help me with this....My car sounds mean but not mean enuff is it the stock header the stock tip what????? answer please thank you

Posted by: EastCoast5.0

I donno if theres a way to tell between the two muffs. So your saying it's not loud enough with the o/r H? Damn, it should be pretty loud. Headers will make it a little louder. You can dump it...though I'd stick with the pipes. Dumping it will make it louder IN the car for sure but I donno, personally if you really want louder after you get some headers look into a different set of muffs.

Posted by: Mustang5L5

There's a number on the muffler. It should be on the end opposite the inlet and outlet pipes. That will tell you what muffler it is

Posted by: bdass92

I don't think the headers will make any difference in sound, it i'll make it breathe better & what kind of H-pipe are you going to go with?
I have mac header,bassani X-pipe w/cats & flomaster thunder & very happy the way it sounds, just for shits & giggles i took off the tailpipes to see how it sound of couse installed turn down tips @ muffler & killed the flomaster tone so back went in the tail pipes.

Posted by: vamp89

I run Flow-tech X-pipe with Flowmaster American thunders, no tail pipes(as they were bent to hell after tow truck pulled my car out a ditch sideways), anyways it's super loud so I just turn the tunes up

Posted by: detroitmuscle

alright kool i will just leave the tail pipes then gett some header and see what happens from there....once i gett out to the barn and check the numbers i will post them and see what the deal is

Posted by: detroitmuscle

It really didnt say what kind they were it just had a shit load of numbers so here they are if you can decode this and figure out if there super 40's that would be aswsome 6089347-4574914-4809812-5123502---------patend pending 5444197fgn thank you

Posted by: detroitmuscle

will somebody please give me an idea what the heck all these numbers mean

Posted by: Roland69

here's a clip/vid of mine ....all stock with cats and 40's
http://http://media.putfile.com/soun...Flowmaster-40s

Posted by: Calyp50LX

Are your mufflers aluminized or do they have a black rubberized finish to them. If they are aluminized they aren't Super 40s.