This is an exhaust question, but limited to only 305 TBI's so im putting it in here.. I just want to know what kind of catback everyone is running.. whats the loudest one also, but a nice rumble, not some choppy nasty sounding exhaust.

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89 RS 305 TBI
Edelbrock 14x3 OE intake, Hypertech Chip, Street & Strip shift kit, flowmaster exhaust w/ high flow catco cat.
Soon: 3.73 gears, posi, Edelbrock TES headers(jet-hot) and a 355 SB
AIM:TiMoThY9801
Stereo:

JVC Detachable face cd player w/ 2 Pioneer 12" subs in custom box, powered by Lanzar 600 watt amp.
RIP #3 YOU RULED!

 

Most L03 powered cars run a flowmaster setup. I recently got rid of a magnaflow setup and picked a dual chamber flowmaster and I am happy with the the performance it gave me. Just stay away from 3" systems, a 2 3/4" system is more than enough. Stock piping and an aftermarket muffler is fine. Also concider a high flow cat.

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-John
92 RS

 

my stock piping is 2.25" and it SUCKS!!!! anything bigger would be better.

 

What?! This?! Are you telling me that this stock system sucks???!!



Steve



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Steve's Trans Am Temple

 

LoL. AHHHH! GET IT AWAY!

I have a custom 3" exaust system.
http://members.aol.com/j007golden/exaust.html

I like it and it sounds really nice and performs just as good.

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Eric Natzke
91 Firebird 305 TBI
"It Ain't Stock"
http://members.aol.com/j007golden/91firebird.html
For info on certain parts or mods go to the site below
http://members.aol.com/j007golden/modeval.html

 

others please?

 

I love my Hooker system.

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1989 Pontiac Firebird Formula LO3 Auto
-180 degree stat
-Hooker Cat-Back
-vinyl security shade, velcro t-top bag
*****Possible summer '01 mods*****
Dual Snorkle, Auburn Posi, Keyless Entry, Wonder Bar from my IROC, 4th gen seats, T/A tail lights

http://www.geocities.com/krt80/

 

Anyone have the Edelbrock exhaust system.. how does it sound?

 

how does it sound? Have any sound clips by chance.

 

Deep and kinda loud, but not super loud. Mello might be a good description.

 

Damn I'm running a Y-pipe that looks like that!? GAAA! No wonder this 305 seems like it should have more power.... Oh well I plan on ditching the crappy *** stock exhaust over the summer once i get a little $$ saved up again, I've only had the car like 2 1/2 weeks. Is there much difference from one brand of headers to another? I'm on a college freshman budget so I'd like to stay cheap. I'll probably just have a custom cat back made (ditch the cat and use a flowmaster muffeler, i have people who do this cheap). Its great living somewhere where nobody checks to see if you have cats!

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88 Base Camaro
305 Auto
All Stock....for now

 

i like my exhaust, it's not mellow or the least bit quite. i have edelbrock tes headers, a cat eliminator, and a borla cat back with no baffle plate in it. it sounds like open headers when i am on it. you can hear the car from the starting line when i go through the traps very clearly.

lata
tim

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91 Camaro RS-LO3,Auto.
14.215@94.30 w/ 1.917 60'

Check Out The East Coast F-Body Nationals Home Page
www.geocities.com/njspeeder

My MAFB.ORG Home Page
www.mycar.net/mafb/registry/detail.cfm?id=299

DSI Racing Home Page

www.geocities.com/foff667

 

I am gonna try and get a sound wav of my exaust on the net. I thought maybe getting my old old old labtop and just taking it out in the garage with a mic hooked to it and record it that way. I have to see if this thing even HAS a mic jack first. LoL. Its really old. (133mhz)

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Eric Natzke
91 Firebird 305 TBI
"It Ain't Stock"
http://members.aol.com/j007golden/91firebird.html
For info on certain parts or mods go to the site below
http://members.aol.com/j007golden/modeval.html

 

Please do get some sounds. I'm going to do the same thing. I don't know how I'll record it though, probably just a long microphone cord . I don't have a laptop...sold the piece a while ago, it didn't have sound or anything (486 pos, nice TFT screen though but who needs when win3.1 all you could run).

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, Jon (91 RS too many mods to list)

 

2thpick just got a video camera, I'll get him to video my exhaust for us, well he already did, but I didn't get to see it yet.

Might get that on here as soon as tonight.

 

Here they are. I didn't rev it that high in either one. Probably about 3500-4000 in the one where I was sitting still(hooker.asf).

You can right click and choose "save as" to download. If anybody has trouble getting these tell me.


http://fp.geocities.com/krt80/bird/hooker.asf

http://fp.geocities.com/krt80/bird/hookroad.asf

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1989 Pontiac Firebird Formula LO3 Auto
-180 degree stat
-Hooker Cat-Back
-vinyl security shade, velcro t-top bag
*****Possible summer '01 mods*****
Dual Snorkle, Auburn Posi, Keyless Entry, Wonder Bar from my IROC, 4th gen seats, T/A tail lights

http://www.geocities.com/krt80/

 

I can't get those to work here at school, so here is another server. Geocities sucks!

http://pages.preferred.com/~krt5/video/hooker.asf

http://pages.preferred.com/~krt5/video/hookroad.asf

 

That sounds pretty good, i just went to a muffler shop and picked up an off brand muffler, its sounds just like yours.. 50 dollars installed,

 

The muffler doesn't do anything for mine. It's the tips! Without the tips it's very quiet.

With the tips it's as loud as it was when it only had a intermidiate pipe full of holes and no muffler at all.

I have the stock converter(ungutted).

 

It sounds pretty good but every Formula should have 4thgen z28 tips. I LOVE the way mine looks.

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-Tas
'89 Formula WS-6
[soon to have Hooker 1-5/8" 50 state legal headers installed]

305, TBI, auto, 14x3 chrome flat based open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips....

Super GRK_Taz World
EFI & Intake Options
AOL IM: superGRtaz

 

please get a 3" or better, 2 3/4 is what is stock on many LB9 and L98 cars

I went to full edelbrock TES exhaust for an L98, headers, y, catback, all 3" and the car gained .5 in the quarter. This was back when i just had minor mods


I like the edelbrock sound its very rumbly, old school sounding.. polar opposite to the hollow tinny sound that flowmaster has, and unlike the flowmaster there is no crackle to it its just a deep rumble

ever since i did the engine work the car has gotten way loud its almost obnoxious. My 84 Z28 with just a flowmaster feels like a lexus compared to mine its so quiet.

 

ya? I heard edelbrock catbacks were quiet... Thats why I didn't get one. Maybe the owners that had them didn't have them broken in yet.

 

Ok, are you ready for this....SLP 1-3/4 headers(yeah i know)Random tech 3" cat and flowmaster american thunder cat back.Runs a little lean(lol)but it's a 5spd,sounds mean as hell and pulls like a banshee to 6k rpm......i went ahead and got the 1-3/4 cause i dont want to have to buy headers again when i put a 400 plus hp engine in this summer......crazy hunh.....

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92RS,POLO GREEN

 

Like kermit says,I would have to agree.I have the TES and a Dynomax 3" into a 2 chamber Flowmaster.The system is complemented by 2 1/2" Dynomax tips.
This is about as nasty of a system thst you could run on the street (IT BARKS!!!).
If I am correct,your orginal question was which system is the loudest.This would be it.
OH,I also have a 5-speed,when I first got the exhaust I did'nt listen to the stereo for three months,it sound that good.

 

hey Monster, did you buy the dynomax pieces speperatly or did you have the cat back and replace the dynomax muffler with a flowmaster one? If you got them seperatly, what are the part numbers, how much were they each, and where did you get them from? thanks a bunch.

-Tas