i have an 80 series flowmaster on my 92 305 TBI if i replaced the cat with a straight pipe would my car have a deep a sound as a mustang at idle?

P.S. i'm not giving any props to mustangs just trying to compare.

 

hey dont do that my friend just did that to his trans am. like he removed the cat and put a piece of pipe in and it sounds like $h!t enless u want ur car to sound like that. so thats my 2 cents.

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mods to car
new ignition system, edelbrock intake,600 cfm q-jet,th-350 tranny, used black interior, grant stering wheel, accel plugs and wires, hookercat back, b&m shifter, emmission delete package, computer delet package and soon ac delete and in future-- hooker sump comp headers, posi rear, drag slicks and all new rims probably weld rims, line lock, 8 point roll cage, strut tower brace, drag shocks, sfc, new edelbroc 600 carb, nitrous and a weiand supercharger or a 350 or 400 block

 

Hey man, mine sounds good without the cat, but a chevy will never sound like a ford. The firing order on the cylinders and stuff I think is what makes a lot of the difference in sound. My 305tbi sounds great at WOT. Not a deep sounding engine anyway. I also have the flowmaster.

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Pics of my Car
http://photos.lycos.com/PhotoCShare/...7gc&AID=247820

305TBI, EDL strut tower brace w/spohn SFC's on the way and wonderbar, ASCD big block hood,
Eibach Sportline Springs,
Koni Struts and Shocks,
SSPE lower control arms and Panhard bar,
Hellwig Rear Swaybar and Energy Suspension bushings.Aluminum Driveshaft. Posi-rear

 

well if ur sounds good cool but my friend did that and his trans am sounds like carp and runs like crap but al;so it ran like carp from the beginning. so im not sayin urs sounds bad its just that i bet if my friend did his the right way it would not sound bad but my friend is a total dork and does not know any skills towards workin on a car.

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mods to car
new ignition system, edelbrock intake,600 cfm q-jet,th-350 tranny, used black interior, grant stering wheel, accel plugs and wires, hookercat back, b&m shifter, emmission delete package, computer delet package and soon ac delete and in future-- hooker sump comp headers, posi rear, drag slicks and all new rims probably weld rims, line lock, 8 point roll cage, strut tower brace, drag shocks, sfc, new edelbroc 600 carb, nitrous and a weiand supercharger or a 350 or 400 block

 

hey blue 92 did u gut the cat or put a pipe in place,and do u have headers

 

Mine sounds much tougher, but not raunchy, with straight pipes in place of cats...the key is removing the cats on a car with a muffler that is not obnoxiously loud and tinny to begin with, such as a Dynomax. Damn low rumble shakes the walls of the house now, and the wife loves it too .

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1990 IROC 350
Mods: Too busy trying to make it run right to mod it.
Airfoil, Dynomax cat-back, MSD coil, 180 t-stat, Bald Eagle tires,
Hypertech fan switch, Accel 23# injectors, Holley module, ported plenum,
Ported Daytona Yellow stock base, Moroso valve covers, other stuff,
Streetdampr, Ruger P95DC, hot wife, new oil filter, !cats, !TBC, !AIR.
18.0 @ 85MPH since I'm one big-a$$ MF
"It's better to have and not need than to need and not have."

 

like a flowmaster 80 ?

 

LOL, sorry man I totally missed the muffler you were running. I had a buddy with an LT1 Camaro and Flows with no cats...it was pretty damned loud, and had alot of interior resonance. Man, that car sounded wicked, just a little too wicked for me. It's all a matter of preference, just be aware that your exhaust will seem twice as loud without a cat, at least on dual cat cars. But yes, it will be deeper, and LOUDER.

 

my 80 series is lower then it is louder, you know how it gets to where you can feel it the further away u get, sets of car alarms and shakes the aluminum roof at the car washes, and thats basicaly the only way i can tell its low. definatley lower then 20 Hertz, and i say that since 20 is the lowest humans can hear. but id rather have the perfomance of a HIGH flow muffler.

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- David
88' GTA 5.7L TPI MODS---> air foil, K&N, Shift Kit, 180* therm, TB bypass, Gutted CAT, Flowmaster 80 Series

 

IIRC, Dynomax mufflers flow better than most Flowmasters. More bite, less bark.

 

Damn double post. Sorry.

[This message has been edited by JETHROIROC (edited October 06, 2001).]

 

Yeah, the cat is removed, and a pipe welded in it's place

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Pics of my Car
http://photos.lycos.com/PhotoCShare/...7gc&AID=247820

305TBI, EDL strut tower brace w/spohn SFC's on the way and wonderbar, ASCD big block hood,
Eibach Sportline Springs,
Koni Struts and Shocks,
SSPE lower control arms and Panhard bar,
Hellwig Rear Swaybar and Energy Suspension bushings.Aluminum Driveshaft. Posi-rear

 

Hereis what you do...headers...no cat..just 3" piping from collector back and go with a 40 series flowmaster they are way louder then 80 series

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86 IROCZ 5.0 TPI/"new" 700R4 auto with transgo shift kit and vette servo,canary yellow,t-tops,radar detector,tan interior,hidden antenna,tinted windows,taillight blackouts,front end bra,k&n air filters,no cat,full 3" racing exhaust with 40 series flowmaster and chrome tips,2:73 posi rear(soon to be 3:42 or 3:73 posi),1989 IROCZ 16*8 polished aluminum rims