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V6 with a Flowmaster?

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Old 04-30-2002, 02:27 PM
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Car: 1984 Pontiac Firebird
Engine: 2.5L Iron Duke 4 cylinder
Transmission: 5 speed manual
V6 with a Flowmaster?

Does anyone have this set up? I have an 84 S/E with a H.O. V6 and it really needs a new muffler.

I know the Flowmaster sounds awsome on V8 cars (my bro has one on his 84 Sport Coupe 350 TPI). How would they sound on a V6? I don't want to sound like those euro cars. I want something with a throaty sound.

Do they make headers for the 2.8L V6 too? I would like to free up some HP with some exhaust mods.

Any suggestions or comments? Let me know.

this is for my 84 S/E resto project!
Attached Thumbnails V6 with a Flowmaster?-se2.jpg  
Old 04-30-2002, 03:00 PM
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Car: 99 Formula
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What the hell is an H.O V6? You're not going to get much of a rumble with a 6.
Old 04-30-2002, 03:57 PM
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Car: 1984 Pontiac Firebird
Engine: 2.5L Iron Duke 4 cylinder
Transmission: 5 speed manual
There were two V6's. A standard 2.8L and a 2.8L High Output. Different compression ratios. The vin breakdown or the RPO codes on my car denoted this.

I know I wont get a rumble like the v8s. but what does one sound like on a V6? I want to know if it will be worth my money to buy a Flowmaster or not.
Old 04-30-2002, 04:11 PM
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Car: '87 Z
Engine: 355 in the works
Transmission: 700R4
I don't know how it'll sound on a car like ours, but alot of kids at my skool have flows(i think) on their S10's and Sonoma's(or whatever GMC is calling their S10 now...) and they aren't the sound of a V8, but they'll get your attention and they don't sound horrible either... just my opinion. If you have a cat, try it with no muffler. We tried my friend's '86 F150 300 I6 with no muffler and it KICKED @$$ for being a free mod. I'd just put hooker catback on it... but 3 inch exhaust might be overboard for such a small engine.....
Old 04-30-2002, 10:07 PM
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this isn't a great comparison, buy my friend has a 2000 v6 with flowmaster 40 series... sounds damn good for a 6. when we cruise in it, you can watch people's eyes when we pass them. they go searching for badges... they think it's a Z at first.
Old 05-01-2002, 12:22 AM
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go for it

2 1/2 inch exhaust with headers and a 80 series will definatly sound good. my buddy has 2 1/4 exhaust with a no name performance muffler on his 91 and he gets some people thinking it's a v8! so they can sound pretty throaty, but i suggest u use this set up!
Old 05-01-2002, 08:59 AM
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Car: 1984 Pontiac Firebird
Engine: 2.5L Iron Duke 4 cylinder
Transmission: 5 speed manual
So there are headers available for the V6? If so where can I purchase a set?
Old 05-02-2002, 11:09 PM
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Transmission: Beefed up 700R4
my friend didnt really do anything to his exhaust on his V6 bird and it didnt really sound too bad....im guessing if you get an 80 series flowmaster it would sound pretty mean for a 6.
Old 05-03-2002, 06:56 AM
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Car: 1988 Pontiac Firebird, flat black
Engine: Stock 305 LO3
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Good to hear that you don't want to sound like a 5" coffee can!! But why spend the money on flow? Hooker or dyno's sound good and are probably cheaper. Just don't go glasspack, I know from a 4 banger it was loud, cheap, but was missing the 5" coffee can in the tailpipe to complete the picture!
Old 05-03-2002, 02:55 PM
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I have a 3.4 v6 5 speed in my 89. I didnt even get a catback just a 80 series flow and it sounds pretty decent. Really good at idle low rpms and still decent at high rpms. sounds like an 8 sometimes. I did notice some performance. I cant wait to get a better y pipe and bigger i pipe. currently no headers are made to fit our sixes but u can find some that hedman used to make for it. every once in a while they pop up on ebay. The s10 headers and such with the 2.8 wont fit ours though. They'd dig into the ground.
hope I could help.
Old 05-03-2002, 11:23 PM
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yes RK sport makes V6 headers...... they are in the exhaust section of this page............ http://www.fasttoys.net/8292fbodyframes.html
Old 05-04-2002, 01:33 AM
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Were on the website are these headers? I dont see them
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