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Extractors - No improvement 

 

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 Post subject: Extractors - No improvement
Posted: Mon Apr 03, 2006 10:49 pm 
Oompa Loompa
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Hi guys, quick question, I just bought a set of extractors last week, and I can hardly feel the difference. Iv'e got 2 1/2 redback exhaust with hiflow cat and obviously extractors, there the 4499 series, any help would be appreciated

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Posted: Mon Apr 03, 2006 11:25 pm 
Stock as a Rock
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4499s will give you more high end power, when i got mine i could definantly feel the difference.
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Posted: Mon Apr 03, 2006 11:50 pm 
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hmmm this is begining to sound so repetative, whats that? you got a 2 1/2" exhaust? THERES THE PROBLEM, youre getting more upper end torque when ur car would probably never hit 6000rpm, whats the point of that? More bottom end = good back pressure = 2 1/4" INNER diameter system. THEN youll notice a difference.

 

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Posted: Tue Apr 04, 2006 12:43 am 
Getting Side Ways
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mylo, do you have headers and zorst on your BA and if so, did it make a difference at low end for you as my Ba is too slow off the line

 

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Posted: Tue Apr 04, 2006 12:48 am 
Tyre Shredder
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mines s**t off the line too, they all are, nah its stock, i just put on 18's and that the only mod im allowed to do, im thinking of "gutting" the muffler(s).
Anyway, i know a guy that has 2 1/4 exhaust, it made a difference in his falcon

 

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Posted: Tue Apr 04, 2006 12:53 am 
Getting Side Ways
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Mine's got a set of pacies and a 2.5" zorst, helps mostly with the top end, it's still a slug off the line. Can't help but think a diff swap to a 3.7 or something would liven it up a lot.

 

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Posted: Tue Apr 04, 2006 12:54 am 
Getting Side Ways
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Yeh, well im with just cars and have unlimited mods. I was thinking of getting the 3.45 dif to see if it makes a difference but would rather get the exhaust system if it were better than the dif. With low end power, i would be loving it as I have no complaints at all with the top end power as it canes at 4500+.

 

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Posted: Tue Apr 04, 2006 8:55 am 
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MYLO_XR6 wrote:
hmmm this is begining to sound so repetative, whats that? you got a 2 1/2" exhaust? THERES THE PROBLEM, youre getting more upper end torque when ur car would probably never hit 6000rpm, whats the point of that? More bottom end = good back pressure = 2 1/4" INNER diameter system. THEN youll notice a difference.

Nobody makes off the shelf MANDREL BENT 2.25" exhausts for EA-EL!
And 2.25" press bent is stock :roll:

 

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 Post subject: extractors
Posted: Tue Apr 04, 2006 10:26 pm 
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i noticed a huge difference when i put my extractors on.
they are x-force stainless steel with a very long primary and cone over pipe like pacemakers.
i noticed alot more torque from 2500rpm onwards.
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 Post subject: Re: extractors
Posted: Wed Apr 05, 2006 6:34 am 
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spud69 wrote:
i noticed a huge difference when i put my extractors on.
they are x-force stainless steel with a very long primary and cone over pipe like pacemakers.
i noticed alot more torque from 2500rpm onwards.

I'm running the 'X-Force' stainless as well.
Definately more top end in them, complements my cam but sucks out my bottom end :cry:

 

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Posted: Wed Apr 05, 2006 11:33 am 
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so if the stock system is 2.25" why wouldnt you just put headers straight onto that! i dunno, seems like 2.5" is the go and i wouldnt wanna waste my money trialing 2.25"
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Posted: Wed Apr 05, 2006 12:35 pm 
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you should be getting the revs up alot quiker than before after getting that setup.
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Posted: Wed Apr 05, 2006 12:43 pm 
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[self-deleted]

Last edited by blackjack_original on Fri Jun 06, 2014 9:04 pm, edited 1 time in total.

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Posted: Wed Apr 05, 2006 12:49 pm 
Getting Side Ways
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4499s are designed to give you better bottom end, not top end.

 

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Posted: Wed Apr 05, 2006 1:09 pm 
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blackjack_original wrote:
Steady ED wrote:
MYLO_XR6 wrote:
hmmm this is begining to sound so repetative, whats that? you got a 2 1/2" exhaust? THERES THE PROBLEM, youre getting more upper end torque when ur car would probably never hit 6000rpm, whats the point of that? More bottom end = good back pressure = 2 1/4" INNER diameter system. THEN youll notice a difference.

Nobody makes off the shelf MANDREL BENT 2.25" exhausts for EA-EL!
And 2.25" press bent is stock :roll:


Not true. I dunno who, but someone does. I know this, because when i went to the exhaust shop the guy showed me a catalogue and in it it had a picture and written underneath was "available in 2,1/4 and 2,1/2"

My bad!
Still think 2.25" is too small for a 4l.
Plus most extractors have 2.5" flanges on them...

 

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