FlowMonsta 40
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Joined: Jun 2002
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From: Central Illinois
FlowMonsta 40
I verified the part number with the Flowmaster website before I posted, so I know it is out there. If you go to the "Retail Price List" link on the left side of the FM homepage, and then do a part number search, you will find it.
Matt
2002, F250 SD, SC, 8' Bed, V10, 3.73 LS, Arizona Beige Clearcoat Metalic, ICI Stainless Step Bars, Truxedo Tonneau, Prodigy Brake Control
Matt
2002, F250 SD, SC, 8' Bed, V10, 3.73 LS, Arizona Beige Clearcoat Metalic, ICI Stainless Step Bars, Truxedo Tonneau, Prodigy Brake Control
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From: Broussard USA
FlowMonsta 40
I tried different mufflers on my mustang but w/ 6 cat the all sounded like stock. The best sound that I came up w/ was straight pipes. Has anyone tried removing the muffler all togther? If so what was the sound like?
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From: Central Illinois
FlowMonsta 40
BuiltToughF250 did.
"from start up at idle, to about 2200-2400 RPM's it sounds AWESOME. after that it sounds like a indy-car. REALLY loud, high pitched, a few too many cylinders firing."
His post is at the link below.
https://www.ford-trucks.com/dcforum/DCForumID43/181.html
2002, F250 SD, SC, 8' Bed, V10, 3.73 LS, Arizona Beige Clearcoat Metalic, ICI Stainless Step Bars, Truxedo Tonneau, Prodigy Brake Control
"from start up at idle, to about 2200-2400 RPM's it sounds AWESOME. after that it sounds like a indy-car. REALLY loud, high pitched, a few too many cylinders firing."
His post is at the link below.
https://www.ford-trucks.com/dcforum/DCForumID43/181.html
2002, F250 SD, SC, 8' Bed, V10, 3.73 LS, Arizona Beige Clearcoat Metalic, ICI Stainless Step Bars, Truxedo Tonneau, Prodigy Brake Control
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From: Oxnard, CA
FlowMonsta 40
>What size tips or no tips are you guys using?
that sounds like an awful personal question.... but if you must know... i just let mine hang straight down... i'd guess it is about a 14 incher.
that sounds like an awful personal question.... but if you must know... i just let mine hang straight down... i'd guess it is about a 14 incher.
Tuned
Joined: Mar 2002
Posts: 285
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From: San Antonio, TX, USA
FlowMonsta 40
I just put a FM40 with dual 2.5" pipes and 22" tips. From what I have read dual 2.5" works as well as 1 3" pipe. I've noticed slight performance gains, and awesome decibel gains. I debated on putting the FM70 on, but now having the 40, the 70 would have been too quiet for my taste. I think the FM40 is the only way to go.
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From: Broussard USA
FlowMonsta 40
OK many years since math but
a 3 inch pipe has a TFA (total flow area)of 7.1
a 2" 3.15 X 2 is 6.3
2.25 4 X 2 8
2.5 4.9 X 2 9.8
So your 2 2.5"'s are a good bit better than 1 3"
a 3 inch pipe has a TFA (total flow area)of 7.1
a 2" 3.15 X 2 is 6.3
2.25 4 X 2 8
2.5 4.9 X 2 9.8
So your 2 2.5"'s are a good bit better than 1 3"
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From: Central Illinois
FlowMonsta 40
"So your 2 2.5"'s are a good bit better than 1 3" "
I am not sure what difference the bigger "TFA" output would make (except for sound) with only 3" pipe on the inlet side.
2002, F250 SD, SC, 8' Bed, V10, 3.73 LS, Arizona Beige Clearcoat Metalic, ICI Stainless Step Bars, Truxedo Tonneau, Prodigy Brake Control
I am not sure what difference the bigger "TFA" output would make (except for sound) with only 3" pipe on the inlet side.
2002, F250 SD, SC, 8' Bed, V10, 3.73 LS, Arizona Beige Clearcoat Metalic, ICI Stainless Step Bars, Truxedo Tonneau, Prodigy Brake Control
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Joined: Dec 2001
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From: Houston USA
FlowMonsta 40
[updated:LAST EDITED ON 26-Aug-02 AT 08:16 PM (EST)]Call me a whimp! I just ordered a 70 Series from Summit. I should have it Thursday and hopefully get it put on this week or next. I will post a sound file when I get done so you can hear the difference. I love the sound of Monsta's but I spend a lot of time on the highway and was afraid the drone might cause me to go insane.....I am also ordering a SuperChips Micro-Tuner this week now that it is V10 friendly. Between the two, I sure hope I notice some difference.....
Sit. Stay.
Joined: Oct 2001
Posts: 18,308
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From: Washington State
FlowMonsta 40
I cannot hear mine at any speed above 55. 
Below that it is non-intrusive music!
Good luck with your 70 series!
Exciting news about the SCMT, huh! I think I just found a new toy!
Below that it is non-intrusive music! Good luck with your 70 series!
Exciting news about the SCMT, huh! I think I just found a new toy!
Junior User
Joined: Dec 2001
Posts: 59
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From: Houston USA
FlowMonsta 40
Ok, I just got back from the muffler shop. The 70 series is VERY mild sounding. If you are looking for a stock or very near stock sound from a higher flowing (hopefully) muffler, the Flowmaster 70 Series is the muffler for you. I sounds nothing like the 40 Series sound clip Monsta put up. I will be happy to put up a sound clip if people want it but there is very little to hear.
As far as performance, I certainly don't feel anything but I never jump on it anyway. I was just looking to free up the exhaust a little. Hopefully when my Microtuner comes in next week I will be able to feel some difference. If not, I will have just wasted about $500 in mods for no reason. Cross your fingers.
As far as performance, I certainly don't feel anything but I never jump on it anyway. I was just looking to free up the exhaust a little. Hopefully when my Microtuner comes in next week I will be able to feel some difference. If not, I will have just wasted about $500 in mods for no reason. Cross your fingers.
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From: Jacksonville, FL
FlowMonsta 40
Monsta -
Just listened to your sound clip this AM - WOW!
I love the sound. Did you add this to the stock
headers/pipes? Is your Cat. still in place or
a test pipe? Just curious. I may have to get
me one of these after hearing yours. Man, I got
a lot of 'splaining to do to the wife, esp. after
just ordering the SuperChips Micro Tuner this AM !
ouch.....
- Bob
2001 F250 SD CC Lariat,
V-10, 4:30, 6' Bed, 4x4, Auto, FIPK
Just listened to your sound clip this AM - WOW!
I love the sound. Did you add this to the stock
headers/pipes? Is your Cat. still in place or
a test pipe? Just curious. I may have to get
me one of these after hearing yours. Man, I got
a lot of 'splaining to do to the wife, esp. after
just ordering the SuperChips Micro Tuner this AM !
ouch.....
- Bob
2001 F250 SD CC Lariat,
V-10, 4:30, 6' Bed, 4x4, Auto, FIPK