Some exhaust dilema...
02-14-2009, 10:27 PM
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Car: Firebird 88
Engine: 406
Transmission: th400
Axle/Gears: 3.50
Some exhaust dilema...
Hey, I am considering an exhaust options for my new engine
(basicly modded ZZ4 MPFI, putting a bit higher numbers then originaly ZZ4)
I am not yet shure what headers I will get, there are three options - SLP 1 3/4 shortys, Hedmann long tubes 1 5/8 and Daugs longs 1 3/4...
Then cutouts - the best idea (just for having really, really loud agresive tone) would be to have both, palced just after the headers but I dont know if they would fit there.. I mean without sacrificing to much clearance..
Then my main question - do I put a cat there?
I do not have to take any emission tests in my country, all I want is the best power I can get.
As for a muffler I was thinking about Powerstick or maybe GMMG chambered. Either a 20' in place of an I-pipe or two at the cars end like at the GMMG website.
What do you guys think?
(basicly modded ZZ4 MPFI, putting a bit higher numbers then originaly ZZ4)
I am not yet shure what headers I will get, there are three options - SLP 1 3/4 shortys, Hedmann long tubes 1 5/8 and Daugs longs 1 3/4...
Then cutouts - the best idea (just for having really, really loud agresive tone) would be to have both, palced just after the headers but I dont know if they would fit there.. I mean without sacrificing to much clearance..
Then my main question - do I put a cat there?
I do not have to take any emission tests in my country, all I want is the best power I can get.
As for a muffler I was thinking about Powerstick or maybe GMMG chambered. Either a 20' in place of an I-pipe or two at the cars end like at the GMMG website.
What do you guys think?
Last edited by Morit; 02-14-2009 at 10:35 PM.
02-15-2009, 08:51 AM
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Car: Firebird 88
Engine: 406
Transmission: th400
Axle/Gears: 3.50
Re: Some exhaust dilema...
Hehe, that is what I hope for 
How about the cat? Do I need it..? I will be using heated O2 sensor of course, but the Powerstick is probably less restrictive then normal muffler..
How about the cat? Do I need it..? I will be using heated O2 sensor of course, but the Powerstick is probably less restrictive then normal muffler..
02-17-2009, 09:34 PM
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Car: 87 Camaro Z-28
Engine: 305 LG4 w/ E4ME carb
Transmission: 700R4
Axle/Gears: 2.73
Re: Some exhaust dilema...
cool motor & car, how did you get it to Poland? Forget the cat if emissions are not a problem and power is the goal
02-17-2009, 09:45 PM
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Car: Firebird 88
Engine: 406
Transmission: th400
Axle/Gears: 3.50
Re: Some exhaust dilema...
I got it from Germany, hehe 
It was a good deal, payed almost nothing.. but had a V6 then.. So only thing left to do is buy an engine and get more power
I also have a 1966 Pontiac Catlina Convertible directly from USA
It was a good deal, payed almost nothing.. but had a V6 then.. So only thing left to do is buy an engine and get more power I also have a 1966 Pontiac Catlina Convertible directly from USA
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