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Is anyone here, thats still naturally aspirated, running a full 3" exhaust on their car? I'm just curious as to how well it runs. This month I am buying a set of pacesetter headers and my intake is on a truck right now headed my way so my engine can inhale better [img]graemlins/banana.gif[/img] but I just want to know if anyone is running full 3" yet and if so how well it performs.
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Mustangs.. Come to the darkside...<br /><br />The dark side is the path to the shadow of greed. =D -
I am running 2.5" dual and I think its great. I also think that I am a little low on the backpressure and that 3.0" maybe too much. What cam, head work do you have done? -
i am.... it is good? in conjunction with the intake and headers it should be an ok gain....when my car was stock... the exhaust didnt seem to do much at all if anything when i first put it on.... but the more i mod my car the more exhaust seems to be important... 3in is fine but you dont so much need it with our motors 2.5 will do just fine....but 3 in will be deeper and I really dont think it hurts especially if you spray or get forced induction... I run NA and have 3in for the sound and I know air is flowing decent through the pipe so i put a quiet muffler on there and can ride around flowing alright and quiet then i open up my cutout and its good to go.... some say we dont flow enough to use 3in and no one should use it NA.... i say do what you want its really not a hardcore drag car... especially if you are running 18's in the back it sounds a little deeper and better so i say go for it... Sorry for the rambling.. Hope this helped,
DakotaSlammed, Cammed, Stalled, Rollin on ZR1\'s and the sickest exhaust you have ever seen on a camaro Z06 style whoo whoo.<br />I\'m the reaper dude, ask ur people dude. I moveComment
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I run a full 3" system, with headers and the cat removed, and I love it!!! I started out with a 2.5" system and noticed a difference and noticed more improvement with 3" system.Ben<br /><br />1995 White/Black 3.4L<br />As far away from stock as possible<br /><a href=\"http://www.cardomain.com/member_pages/view_page.pl?page_id=288292\" target=\"_blank\">My Site!!!</a><br /><a href=\"http://www.redlinevsix.com\" target=\"_blank\">RedLineV6</a><br />Rebuild and 3.4 T70 Turbo is complete<br />Details to come....Comment
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Well right now I have stock from the cat forward and from the cat back is 3" stainless steel Loudmouth pipes with a Dynomax Race Bullet inplace of stock SLP resonator and it sounds MEAN. Ima get a high flow cat and PaceSetters and was just wondering if I should keep 3" inbetween the two or do 2 1/2" from the headers to the cat or what.. Im thinking I might just do 2 1/2" to the cat...Or 2 3/4"...Mustangs.. Come to the darkside...<br /><br />The dark side is the path to the shadow of greed. =DComment
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im runnin full 3in and love it alsoFighting Texas Aggie class of 2008<br />black 3.4 T-top bird<br />- K&N CAI - magnaflo catback - slect coils - catco cat - tb coolant bypassComment
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I'm also running a full 3in setup and love it, i hear things about back pressure coming up - what are the benefits of it? I haven't read anything saying is was a good thing to have for performance. Everything I've read says to fully reduce all backpressure and that the "some back pressure is good" arguement is untrue. Is this a myth or is there some substance?
Edit: Oops, didn't see the 3.FOUR , sorry.2001 Pewder Firebird V6 A4 <br />Custom Turbo Kit Details On Site<br /> <a href=\"http://www.cardomain.com/id/njp98\" target=\"_blank\">http://www.cardomain.com/id/njp98</a> <br />Best 1/4 time NA - 15.224 seconds @ 87.55 MPHComment
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I have a 3" Catco, 3" custom pipes into a SS exhaust. It runs fine, I have a set of pacesetters waiting for install and hope to do a ported polished intake with heads.
I will tell you that I cannot get my Cat hot enough to pass inspection here in TXJoel<br />God is my copilot, but Satan has his foot on the gas!<br />94 3.4L AutoCamaroRagtop w/MSD ignition,Accelcoilpacks,K&N FIPK,BMR SFC&STB,3\"Catco w/3\"catbackSS muffler,JetStage 2,HomemadePIAAheadlightconversion <a href=\"http://www.geocities.com/cardiac1968\" target=\"_blank\">http://www.geocities.com/cardiac1968</a>Comment
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Not a problem up here - no inspection. [img]smile.gif[/img]Mustangs.. Come to the darkside...<br /><br />The dark side is the path to the shadow of greed. =DComment
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I have pacesetter headers and full 3", it runs about as good as it can [img]smile.gif[/img]<b><a href=\"http://members.cox.net/95batmobile/d86f.jpg\" target=\"_blank\">Sinister Six©</b></a><br /><a href=\"http://www.sounddomain.com/id/95batmobile\" target=\"_blank\">My \'95 Bird</a><br />I am not afraid of storms, for I am learning how to sail my ship.Comment
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I have Pacesetter headers and a full 3" exhaust. With a head/cam setup, it's about the only way to go.- Josh<br />If you have any questions or need installation pics/help, e-mail me: Viper98885@aol.com<br /><a href=\"http://Camaroz28.cardomain.com/id/viper98885\" target=\"_blank\">\'93 Camaro Hardtop</a><br /><a href=\"http://Camaroz28.cardomain.com/id/01lincolnls8\" target=\"_blank\">\'01 Lincoln LS8 Sport</a><br />\'00 Yamaha YZF-R6<br /><a href=\"http://www.ftpp.net\" target=\"_blank\">Full Throttle Performance</a>Comment
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..stock head, stock cam...for now [img]tongue.gif[/img]Mustangs.. Come to the darkside...<br /><br />The dark side is the path to the shadow of greed. =DComment
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I have a 3" magnaflow system, and discovered that ther is not much difference between the 3" an dthe 2.5". But more mods are coming, so it will help out. [img]smile.gif[/img]Jordan<br />15.09@90.7<br /><a href=\"http://www.fullthrottlev6.com/forums/vbgarage.php?do=view&id=21\" target=\"_blank\"><b>1995 Camaro 3.4 M5</b></a>Comment
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Do it...
as for backpressure myth it is true...
my 3.4 ran like *** with an open y-pipe, but ran strong with a clogging cat still hooked up and ran its best with a crappy $15 muffler on the y-pipe.Comment
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