mufflers

[offroadexpy]

Anybody like/dislike magnaflow??

Just wanting some opinions........

 

[SOLISIMO]

I have nothing against them, I actually like them better then Flowmster.

 

[SOLISIMO]

Heres a good read

http://www.ford-trucks.com/forums/521646-magnaflow-vs-flowmaster.html

 

[2000eb]

good thread find solismo. i have seen several of these threads and they all sound the same there are even a few on this forum that have already ran there flowmaster/magnaflow is better course. unless someone is willing to dyno each on the same truck for this forum im sure it will keep going. i have a flowmaster i love it but im curious of the magnaflow. the magnaflow is pretty cheap and help the exhaust breathe some argue you lose low end tq with the flowmaster which i will say i didnt. it only improved i question my 3" tubing all the way back from y pipe to tip. i have 4 magnaflow cats and 3 inch pipe with 40 series(cant remember which one) and i think i may have too much flow not enough back pressure. just my .02

 

[SOLISIMO]

good thread find solismo. i have seen several of these threads and they all sound the same there are even a few on this forum that have already ran there flowmaster/magnaflow is better course. unless someone is willing to dyno each on the same truck for this forum im sure it will keep going. i have a flowmaster i love it but im curious of the magnaflow. the magnaflow is pretty cheap and help the exhaust breathe some argue you lose low end tq with the flowmaster which i will say i didnt. it only improved i question my 3" tubing all the way back from y pipe to tip. i have 4 magnaflow cats and 3 inch pipe with 40 series(cant remember which one) and i think i may have too much flow not enough back pressure. just my .02

Yeah thats way I posted it, it was people giving their real life results. Funny thing is that I have the flowmaster on my truck and I like the magnaflow lol.. Just dont feel like paying for a new muffler.

 

[panda24619]

my dads tundra has a magneflow. idk what though. was on there when we bought it. its LOUD! kind of annoying with no radio on the freeway though. hard to talk.

 

[alaskanexpy]

i'm running a thrush(?) 25" glass pack on my 5.4 i really like it. they arent for everyone but no resonating and its not crazy loud like my straight pipe V10 excursion.

 

[SOLISIMO]

Btw if you like a unique sound look into SLP. They are cheap and sound meaner than any of those two.

 

[tallsville]

here is something i posted on the other forum hope this helps

here is a link to another forum that had some info on mufflers

http://www.titantalk.com/forums/tita...o-numbers.html
Muffler Flow Testing

All tests via an independent lab
All tests @ 15” wc

2 “ Straight Pipe 283 CFM
2 ¼ “ Straight Pipe 365 CFM
2 ½ “ Straight Pipe 521 CFM

2 ¼” Typical Bent tailpipe 268 CFM
2 ½” Typical Bent Tailpipe 417 CFM

2 ¼” Inlet/Outlet_ Glass Pack Tips- No Louvers- Smooth 274 CFM
2 ¼” Inlet/Outlet- Glass Pack Tips-Louvered 133 CFM
Same as above set for reverse flow 141 CFM
2 ¼” Cherry Bomb 239 CFM
2 ½” Cherry Bomb 294 CFM

2 ½” Inlet/Outlet Dynomax Super Turbo 278 CFM
2 ½” Inlet/Outlet Ultraflow Bullet 512 CFM
2 ½” Inlet/Outlet Gibson Superflow 267 CFM
2 ½” Inlet/Outlet Flowmaster ( 2 Chamber) 249 CFM
2 ½” Inlet Outlet Flowmaster ( 3 Chamber) 229 CFM
2 ¼” Inlet/Outlet Thrush CVX 260 CFM
2 ½” Inlet/Outlet Maremount Cherry Bomb 298 CFM
2 ½” Inlet/Outlet ****** Aero Chamber 324 CFM
2 ½” Inlet/Outlet ****** Max Flow 521 CFM
2 ½” Inlet/Outlet Borla Turbo 373 CFM
2 1/2" Inlet/Outlet Magnaflow 284 CFM

Standard OEM 2 ¼” Inlet/Outlet 138-152 CFM
Standard OEM 2 ½” Inlet/Outlet 161-197 CFM

.................................................. .........................................

This test was performed by 5.0 Mustang & Super Fords Magazine, December 2002 issue (page 55) on a '90 Mustang LX coupe with 370hp and 11 second potential. 66 pulls were made for this comparison:

The results in HP order:
1.Flowtech Warlock (open) 374.2 hp/ 333.1 tq
2.Bassani Real Street 373.7 hp/ 333.8 tq
3.****** Maxflow 373.5 hp/ 333 tq
4.Borla XS 373.3 hp/ 332.6 tq
5.Magnaflow 372.8 / 332.5 tq
6.MAC 372.3 hp / 331.5 tq
7.Flowtech Afterburner 372.3 hp/ 330.1 tq
8.****** Aerochamber 372.1 hp/ 330.4 tq
9.Bassani 372 hp/ 333.5 tq
10.Spintech 371.6 hp/ 332.2 tq
11.Edelbrock Performer RPM 370.9 hp / 331.3 tq
12.Borla XR1 370 hp/ 334 tq
13.Flowtech Terminator 369.5 hp / 331.3 tq
14.Dynomax Ultra Flo 369.4 / 333.2 tq
15.Flowmaster 369.4 hp / 331.8 tq
16.Flowtech Warlock 366.3 hp / 325.3 tq
17.No muffs 365.2 hp / 330.1 tq
.................................................. .....................................

Sound Off in Quietest to Loudest (Decibels):
1.Borla XS, 80db at idle, 90db at 2,000 rpm, 110db at WOT.
2.****** Maxflow, 80db at idle, 90db at 2,000 rpm, 120db at WOT.
3.Magnaflow, 82db at idle, 91 at 2,000 rpm, 114db at WOT.
4.Flowmaster, 82db at idle, 93 at 2,000 rpm, 115db at WOT.
5.Flowtech Warlock, 83db at idle, 92 at 2,000 rpm, 112db at WOT.
6.Dynomax UltraFlo, 83db at idle, 94 at 2,000 rpm, 113db at WOT.
7.Borla XR1, 83db at idle, 96db at 2,000 rpm, 118db at WOT.
8.Bassani Street, 83db at idle, 96db at 2,000 rpm, 120db at WOT.
9.Edelbrock RPM, 84db at idle, 93db at 2,000 rpm, 118db at WOT.
10.Bassani Real Street, 84db at idle, 96db at 2,000 rpm, MAX. (120+db).
11.Flowtech Afterburner, 86db at idle, 94db at 2,000 rpm, 115db at WOT.
12.Flowtech Terminator, 86db at idle, 94db at 2,000 rpm, 119db at WOT.
13.****** Aerochamber, 87db at idle, 94db at 2,000 rpm, 114db at WOT.
14.SpinTech, 87db at idle, 97db at 2,000 rpm, 116db at WOT.
15.MAC, 87db at idle, 98db at 2,000 rpm, 119db at WOT.
16.No Muffler, 91db at idle, 103db at 2,000 rpm, MAX. (120+db).

and this is the link to the article he is talking about

http://www.mustang50magazine.com/tec...est/index.html

here are some more numbers

http://www.stangnet.com/mustang-foru...lowmaster.html

All muffler flow ratings are with a 2 1/2" offset inlet/offset outlet and measured at 28" H2O


Here goes:


3" Straight Pipe 705 CFM

2 1/2" Straight Pipe 485 CFM

Pypes Violator 453 CFM (louder than the Race-Pro)

Pypes Race-Pro 453 CFM

Magnaflow 436 CFM

SpinTech Pro Street 427 CFM

Borla 427 CFM (not stingers)

SpinTech Sportsman Street 402 CFM

SpinTech Truck/RV 391 CFM

Pypes Street-Pro 349 CFM

DynoMax Super Turbo 344 CFM

****** Aero Chamber 344 CFM

DynoMax Turbo 320 CFM

Flowmaster 40 series 273 CFM

Flowmaster 50 series 213 CFM (Jesus these things suck...)

For every 2.2CFM, 1 horsepower is restricted or unrestricted. That means it takes 880CFM (440x2 mufflers = 880cfm) of flow to support 400whp. Of course that is an approximation, it's not an exact science but is a pretty close estimate.

Sound Levels

No Mufflers - 91db@Idle - 103db@2000RPM - 120db@WOT

SpinTech ProStreet - 87db@Idle - 97db@2000RPM - 116@WOT

****** Aerochamber - 87db@Idle - 94db@2000RPM - 114db@WOT

Flowmaster - 82db@Idle - 93db@2000RPM - 115db@WOT

Magnaflow - 82db@Idle - 91db@2000RPM - 114db@WOT

 

[2000eb]

solismo do you think i dont have enough restriction? with just the flowmaster it got better then it was stock. when i moved to az my cats went out( they all sounded like bb's and where blown out on inside) so i replaced them with the magnaflow hiflow cats and at the y pipe its 3 in and then on back. the exhaust is just perfect. nice rumble at idle and holy shit its like sex at WOT lol. i have been drivin nice lately tryin to get best mpg's but yesterday i nailed it and my wife looked at me with the biggest grin and said omg i love my truck lol. but i do feel like i might have lost a lil tq but not sure... sometimes its got plenty of power and sometimes it just feels a lil blah. i did plugs, gotts mod, k&n drop in, fuel filter, tb spacer etc idk. sometimes it feels good sometimes it feels like im pullin a house behind me

 

[SOLISIMO]

solismo do you think i dont have enough restriction? with just the flowmaster it got better then it was stock. when i moved to az my cats went out( they all sounded like bb's and where blown out on inside) so i replaced them with the magnaflow hiflow cats and at the y pipe its 3 in and then on back. the exhaust is just perfect. nice rumble at idle and holy shit its like sex at WOT lol. i have been drivin nice lately tryin to get best mpg's but yesterday i nailed it and my wife looked at me with the biggest grin and said omg i love my truck lol. but i do feel like i might have lost a lil tq but not sure... sometimes its got plenty of power and sometimes it just feels a lil blah. i did plugs, gotts mod, k&n drop in, fuel filter, tb spacer etc idk. sometimes it feels good sometimes it feels like im pullin a house behind me

Ive been dying to share this story

On Wed. of last week I went to my buddys shop to install my 4" tip. When they lifted the truck I was in for a surprise. Mind you, I bought the truck used, it belonged to the owner of the dealership. When I bought it, it had a tip and I knew it had an exhaust bc of the rumble but that was it, never looked under.
Present day:
When we looked under there were the headers that are 2 1/2 outlets with some tubing the same size, then there was some really small tubing (2") rigged then the exhaust. After the exhaust was a resonator, small piping, then a 3" outlet all the way back. Lets recap (headers 2 1/2, small pipe 2", flowmaster which has a 2 1/2" inlet but has the 2" pipe, then the resonator, smaller pipe, ok Im loosing track)

Anyway I had them do the proper piping, 2 1/2" piping all the way to the muffler, then removed the resonator and did 3" all the way to the tip. My buddy said that my mileage would get worse. I reset the mileage computer and it took about a week to read properly but before I was a steady 10.9/11.1 and now Im up to an 11.7

 

[panda24619]

solismo do you think i dont have enough restriction? with just the flowmaster it got better then it was stock. when i moved to az my cats went out( they all sounded like bb's and where blown out on inside) so i replaced them with the magnaflow hiflow cats and at the y pipe its 3 in and then on back. the exhaust is just perfect. nice rumble at idle and holy shit its like sex at WOT lol. i have been drivin nice lately tryin to get best mpg's but yesterday i nailed it and my wife looked at me with the biggest grin and said omg i love my truck lol. but i do feel like i might have lost a lil tq but not sure... sometimes its got plenty of power and sometimes it just feels a lil blah. i did plugs, gotts mod, k&n drop in, fuel filter, tb spacer etc idk. sometimes it feels good sometimes it feels like im pullin a house behind me

same. idk. sometimes i have power and others im like come on come on!! haha

and wow sol. what the hell was going on there? thats stupid. ive never herd of that on an exhaust. at least you got that all fixed.

 

[SOLISIMO]

same. idk. sometimes i have power and others im like come on come on!! haha

and wow sol. what the hell was going on there? thats stupid. ive never herd of that on an exhaust. at least you got that all fixed.

Dude u had to see it. I even have problems explaining it

 

[panda24619]

you should have taken pics. i hate shops like that. they dont have the tubing so they use what ever. or they do that so something goes wrong and you have to take it back to them.

 

[NewbieVet]

ics-****:

 

[tallsville]

x2 sol you know better. no pics means it didn't happen.

 

[2000eb]

lol solismo that awesome haha. but you have headers? sweetness lol. idk im depressed and wanna cry i did the grandma thing after i did all that plugs filters etc and my milage only went from a lucky 10 to at highest of 10.7 and that manually checkin, even though my computer is damn accurate as long as i reset it every once in awhile haha i even did the drive like there is an egg between foot and pedal. thats why my wife was so happy when i went wot through the intersection o and when i did that my computer went from reading 10.7 to 10.5 in like 3 seconds

 

[Canadian Expy]

I like my Magnaflow muffler.

 

[walnuts4x4]

 

[NewbieVet]

Sol doesn't always drink beer...but when he does, he drinks Dos Equis