ok guys, some of you may already know a little about what i do with my car.. well now i have found this nice app. called engine analyzer pro. well i put my car's setup on there and found out that my CFM rating on my exhaust was low flowmasters 80 series is like 320 I want something a lot higher than that.. I am slowing my car down alot.. with 600 ill put 400+ to the crank. so i guess here is my question. I am trying to find a muffler for my car that will give me around 650 CFM rating, i need it to be a single in Dual out 3inch in / 3inch out
I dont care how loud it is. I just need power... i was looking at the Warlock but its only single in single out. next was magna flow... but im not sure which route i should take... you guys have any suggestions?
ps i ran into this...
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.Hooker 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.Hooker 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

 

I wouldnt put too much trust in a computer program.

 

go look at the computer program before you knock it... tested with another car. was only 7hp off

 

Well, I dont see how no mufflers can be at the bottom of the list... straight pipes, dumped before the axle, would obviously be the best.

 

yeah that he said. i would think no mufflers is better then a muffler in performence wise. its just mega loud.
i dont trust in computer programs that much. i just use them as a bit of a reference and whatnot. i dont believe they are 100% on the money eather.

 

I don't think his list came from a computer program, it came from a real world test in a mustang shootout. Haven't you guys seen this list before? It's been all over the net for years

1.Flowtech Warlock (open) 374.2 hp/ 333.1 tq
2.Bassani Real Street 373.7 hp/ 333.8 tq
3.Hooker 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.Hooker 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


No mufflers on a stock car probably lost HP because the stock fuel trim went lean and could not keep up. Makes perfect sense

 

No mufflers in that test meant headers uncorked at the collector. If they had put a collector extension on, power would have picked back up - like what happened with the Warlocks uncorked.

 

Well I can say this.....there are hardly any other third gen f body's around my town that sound like me and my magnaflow muffler 3"in and dual 2.5" out....I know you said 3" in and 3" dual out but I believe Magnaflow does make that muffler...I wasnt too worried about it when I picked it up my soundclip is in sig

 

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 Hooker Aero Chamber 324 CFM
2 ½” Inlet/Outlet Hooker 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




I found this on a LS1 site that got it off a chevy truck site....granted these are only 2.5" mufflers, but they can point you in the right direcetion of what flows better than the other

happy hunting
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I've seen that many many times, but what I dont understand is, on the flow chart, the Magnaflow doesnt flow as well as the Hooker Aerochamber but on the dyno the mufflers were within .7 horsepower and 2 ft/lbs of torque negligible power difference in the horsepower test

 

and hooker ultraflow is as good as straight pipe

 

the list i posted was on an Ls1 tech forum... and its not from my computer app. You guys should really check this computer app out im dead serious... the numbers are spot on... ill show you once i figure out my muffler cfm i want.. and thanks for the list with the cfm rating.. im going to try and use that to my advantage

 

please tell me you didnt pay $460 for that application....

 

try the demo version of it out like i have and then you tell me what you think of it. the program is only as good as the user. if you input all the numbers its asks for then you will get the results you want... if you like it buy it its worth it or download the demo and find away to keep it

 

86_z29kid, what is your engine combo? I would think a mild 383 would put out at least 450 to the crank....by no means am I trying to talk trash or anything
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btw very nice looking car

 

im not too worried to the power at the crank its about the power to wheel im lookin at... right now its gotta be close to 350 ish to the wheels but i have not dyno'd this engine... only my old 350/30 which put out 200 to the wheels and 300 torque and thanks..

 

Just curious, what does ur 383/385 make?

 

Right now nothing I broke my 4th transmission(the raptor) and the best dyno I got with a stock transmission that was slipping beyond belief with stock torque converter was 335/350. For the combo I have it should be around 370-390/400ish. I will post up new dyno once Performabuilt transmission is in.

 

was you 107 trap with a good trans?

 

i dont know if you would call it a "good" trans but it was the Raptor transmission that went out on me 2 weeks later

 

Was it slipping at the time?

 

yeah but wasnt bad...then again, if it broke two weeks later, something was wrong with it