ok heres the deal to get a stock cat and a flowmaster it will cost me $240.00 pus tax I can get either series for the same price so which one do you think I should get?

which one sounds better?

 

the 40 series is alot louder than the 80 series. depending on what you want. but if it were me i would probably go with the 80 series i think the 40 series would just be obnoxious.

 

i've never heard a 40 on a 3rd gen but i have owned an 80. i had it on my L69 carb. and i hated the dam thing, sounded ok untill 2k and then it was a drone (u could tell it was holding back the car performance wise too)....but i do like the sound of them on 4th gens and other 350 and my lil sister's bf has one (along with high flow cat) on his 91 Z28 305 TPI and sounds alright but i would have to say the 40 would be a little better for performance but the 80 would give u the dual outlets (40 would be one tailpipe)....also is $240 installed??? i don't really know what a stock cat would cost (i bet it's high tho) but the muffler isn't $100+

 

I have an 80 series on my v6 and even then it is too loud at times. For my TA I am probably going to just get an electronic cutout so I can control it. But then sometimes it can sound nasty. Just something else for you to consider.

Heh, my friends hate riding in the v6, they say it sounds like a motorboat.

 

Which sounds better? There are many variables involved with what your asking. It depends on the motor size, headers, with or without cats etc etc... Go to the flowmaster web page and read about both. I prefer the 80 because it sounds great on my 406 sbc. Dont know how it would sound on your motor though. On a stock 305 I think the 40 sounds good.

 

Got a 40 on my GTA and it sounds great. 3" all the way with a gutted cat. Sounds totally different than an 80. 80s have an almost gurgle sound to them. The 40 is just nasty but its not as loud as a 80. Remember, and 80 has 2 outlets and the 40 only has one so the 80 is going to let out more sound. Id recommend the 40 anyday. I had the same setup on my '87 Iroc a few years ago and it sounded pretty much the same.

 

how would u figure that...u can get the 40 with dual outlets so will it be louder??? and plus the 80 has more crap (baffles) for the exhaust to go thru then hits a dead end where it has to go left or right. the 40 has less crap and goes straight thru (well not really but u know what i mean)... i had to reread what u sed just to make sure i was reading it right...if i'm wrong about this then by all means, let me know, but i doubt i am.

to be fair i do have to quote myself and i just can't see an 80 being louder than a 40

 

A dual outlet 40 would be louder than a single outlet 40 if you only had the short tailpipes on it like on our cars. Dual outlet 40s are used on fullsize trucks for the dual look but what you are not thinking about is they have about 4 feet of tail pipe per side unlike our cars that use about 2 feet of tail per side on a dual outlet. My old 89 T/A had an 80, my Iroc had an 80 when I bought it before I switched it to a 40, my present '88 GTA has a 40 and my '90 Firebird with a 305 TBI has a 80. I have had plenty of cars to compare. Trust me, an 80 makes more noise than a 40. The 40 sounds better.

 

i have an 80 on my car it is loud as hell,my friend has a 40 on his car mines still louder probley because i have more engine than him.i bought the 80 instead of the 40 because of the 2 outlets.

 

idunno, i still can't see y the 80 would be louder BUT bcuz u have the 40 and i haven't heard one then i have to take your word for it....all i know is i had an 80 and it WAS NOT loud at all. hell i ended up ripping it off and going no muffler, sounded better (no it didn't sound like a 70's dump truck, so don't start) <lol, o well

 

well I got the 80 its not very loud has a nice tone but not very loud

Is there any inexpensive ways to make it louder? you know got to annoy the neighbors J/k

 

well u can get rid of the cat but i doubt u want to or can do. or u can get a cut-out, i know here in PA it won't pass instpection with a cut-out ANYwhere b4 the muffler, but yet not many check and/or care

 

nope dont want to get rid of it just got it put on
and my 305 was straight piped when I got it and it sounded like a dump truck couldnt stand it and oh yeah I got a suprise today I never really looked at my exaust but when I took it to the muffler shop I found out the ex owner had redone the exhaust with 2 and half inch pipe so hey the idiot did something right

 

how is that something right??? it should of been 3 in if it was redone...we r talking about the I-pipe right??

 

I switched from a single outlet 40 to a dual outlet 80 with 3.5" tips. It is alot louder now, but I suspect that has something to do with the tips.

Either way you go will sound good imo...

 

sorry mental lapse forget I said that

 

i have the 80 series, sounds awesome, but its a little quiet, the neighbours disagree though!

 

I think Im going to try one of their new Super 40s. I hear they flow 2 times what the old 40s do. Sound pretty cool too.

 

I had a 80 on my car, i just didnt like the sound of it, i went to a 40 series delta force. 3" too.

Here is a video of it.

http://www.angelfire.com/theforce/deepstage69/

 

I have the 80 series on my car with the 3 inch catback, with working CAT. It is pretty damn loud. My step-dad has a 90 GT Mustang with 2 40 series mufflers and it does not even touch mine in the sound department. I would say it is the motor I have, but his motor is just as nasty, so..... I think it just depends on the entire setup as to how the car sounds. From the motor to whether you have manifolds or headers to the size of the exhaust pipes.

Tim

 

just yesterday i out a 40 series on mine and it is a dual exhaust setup, in my classic industries camaro catalog there is a 40 series with dual exhaust outlets and thats the one i got. but mine is from a z28 (used) so it has the rectangle tips. i think the 40 sounds great, but it is annoying at like 2500 rpms if you arent accelerating in like 2nd gear or 3rd gear, so i just shift and its back to burble.

 

i apologize for terrible grammer.