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What exaust gives the most performance?


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#1 The-General

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Posted 18 December 2008 - 03:36 PM

I have a 1989 Pontiac Firebird V6 2.8L and i think it's the base model But i'm not so sure.
Anyways what exhaust would give me the most performance upgrade?

Edited by Nick WHite, 18 December 2008 - 03:37 PM.

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#2 96firebird

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Posted 18 December 2008 - 04:07 PM

welcome to FBN!

with your v6, i would recommend magnaflow. a lot of v6 guys here recommend it. its a great flowing muffler and its going to give you the best sound for your money without sounding too ricy. some headers, cat delete (if state legal) and a cold air intake can really give you a decent boost in power.

have you done any modifications to your bird?

Edited by 96firebird, 18 December 2008 - 04:12 PM.

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#3 The-General

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Posted 18 December 2008 - 04:19 PM

God i wish i have, i got it a couple days ago, and got it running today, i think it has glasspacks in it. But other then that i'm not sure. And thank you for the welcome.
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#4 FBN Firebird Nation

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Posted 18 December 2008 - 04:22 PM

Welcome to FBN Nick.

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Posted 18 December 2008 - 05:28 PM

I had Magna-flow on my '95 Firebird, 3.4 L, it was pretty nice, I cant tell you what it did for performance since its been a couple years but i did have Dual magnaflows on my Formula and they were pretty sweet. I liked the sounds, a low throaty sounds. I just installed true Dual flowmasters w/o cats but havent run the car yet.

#6 The-General

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Posted 18 December 2008 - 05:50 PM

Thanks Bob. Jn56, Your Bird looks like mine. Haha. So magna-flow seems to be the winner so far. I'll look into that.
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#7 The-General

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Posted 18 December 2008 - 06:07 PM

I have a 2.8L, but they only have a 5.0L and a 5.7L. Do they not make it for mine? Would they still work on mine?
1979 Trans Am 6.6 Litre
1989 Firebird 2.8
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#8 TheDon619

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Posted 19 December 2008 - 09:00 PM

u can make the muffler work if u looking for a catback u can make it work with modding the pipes im sure, just like u can hook up a v8 system to a v6 car in the fourth gens
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#9 Benji17

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Posted 21 December 2011 - 12:34 PM

I have a magnaflow system on my 94 t/a with stock headers and CAI....definitely gives my lady and her friends goosebumps:))

#10 Bogeywon

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Posted 02 April 2012 - 03:28 AM

I have a 94 TA and it's all stock... Should I do a full exhaust system? Or just do something that gives me good sound?

#11 joesperformance

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Posted 02 April 2012 - 04:34 AM

I have a 94 TA and it's all stock... Should I do a full exhaust system? Or just do something that gives me good sound?



if ur goin to spend the money on exhaust.... do it the way u want it the first time and be done with it.... if u have to wait and save up a lil more money, its better in long run.... i did my catback first.... then last month i went back and re-did the entire exhaust again, so basically paid double for the exhaust, when i should of just done it the way i wanted it the first time.... im running full 2.5" exhaust pipe, with 2.5" in/out magnaflow hi-flo cat, and a 2.5" inlet dual 2.5" outlet magnaflow muffler with 3.5" dual tips out both sides

#12 batsibf

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Posted 17 April 2012 - 11:00 PM

Did not see how old this was

Edited by batsibf, 17 April 2012 - 11:07 PM.





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