What Flowmaster Exhaust
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Senior User
Joined: Oct 2004
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From: Portsmouth,VA
What Flowmaster Exhaust
Planing on gwtting a flowmaster super40 muffler.I have a 1997 4.2L f-150 scab. I am only planning to replace the stock muffler w/ a FM.
My question is what one as far as in part and exit part of muffler, straight, or offset?
Any input is always good.
Thx n advanced..
My question is what one as far as in part and exit part of muffler, straight, or offset?
Any input is always good.
Thx n advanced..
Thread Starter
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Senior User
Joined: Oct 2004
Posts: 475
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From: Portsmouth,VA
What model flowmaster super 40 do I need?
do I need the inlet and outlet center on the muffler, or do I need them off center ?
How does FM mufflers install, do they use factory hangers or what?
do I need the inlet and outlet center on the muffler, or do I need them off center ?
How does FM mufflers install, do they use factory hangers or what?
Posting Guru
Joined: Aug 2004
Posts: 1,167
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From: miami florida
the super 40 is louder and deeper quite inside cab
the normal 40 is loud and deep inside cab
the delta 40 is in between both but that depends on your exhuast system
for example my exhuast is headers-then pipe to fm40 delta then to dual spilt-rear. no tips
the normal 40 is loud and deep inside cab
the delta 40 is in between both but that depends on your exhuast system
for example my exhuast is headers-then pipe to fm40 delta then to dual spilt-rear. no tips
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From: Portsmouth,VA
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Laughing Gas
Joined: Sep 2003
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From: small town, north dakota
Originally Posted by fordguy21
talk about thread hijacking, should be a crime
As for the muffler, I'd just crawl underneith and look at the old muffler. The old one should give you a pretty idea of what you need. I've never looked at that specific pickup, but I would guess the center I/O would work fine, don't quote me on that though.
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For Ford F150, it's ideal to get an "offset" inlet. Having said that ....
An "original" 40 only comes with centered inlet, so muffler shop needs to fabricate a small "S" shape pipe to match exhaust pipe to new 40.
Delta Flow 40 comes with offset inlet, lines right up with exhaust pipe and puts the muffler right where it should be.
So, you can have the loudness you want, it's just a little more work to get the original 40 to work. (My opinion, I like the original 40 vs. Delta Flow). I've had both. Right now, original 40, single inlet, dual outlet.
Check the Flowmaster website for all the configurations of the available mufflers.
An "original" 40 only comes with centered inlet, so muffler shop needs to fabricate a small "S" shape pipe to match exhaust pipe to new 40.
Delta Flow 40 comes with offset inlet, lines right up with exhaust pipe and puts the muffler right where it should be.
So, you can have the loudness you want, it's just a little more work to get the original 40 to work. (My opinion, I like the original 40 vs. Delta Flow). I've had both. Right now, original 40, single inlet, dual outlet.
Check the Flowmaster website for all the configurations of the available mufflers.
Postmaster
Joined: Jul 2004
Posts: 3,624
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From: Bixby, OK
I have a Delta 40 and it's loud. I've gotten pulled over 2 times with cops not thinking I even had muffler on. Got a ticket once for being too loud. But.. it sounds really good. I have mine dumped before the axle.
If you want really loud tho.. why put a muffler on? You could also put a 30 series on there..
If you want really loud tho.. why put a muffler on? You could also put a 30 series on there..