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EF ...is my 2.5" exhaust system too big? Opinions please! 

 

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Posted: Tue Feb 28, 2006 9:35 pm 
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Gaz wrote:
either that or are they straight or do they look liek spaghetti?


From CAT towards engine, they branch into 2 pipe stems, with 3 pipes on each stem, all different lengths, but pretty straight.

Does this help?

 

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Posted: Tue Feb 28, 2006 9:37 pm 
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markr154 wrote:
Gaz wrote:
either that or are they straight or do they look liek spaghetti?


From CAT towards engine, they branch into 2 pipe stems, with 3 pipes on each stem, all different lengths, but pretty straight.

Does this help?



they are the 4499s, i take it your car is an auto?? you would have been better off with 4480.

 

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Posted: Tue Feb 28, 2006 10:08 pm 
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markr154 let as know how it goes with the 2.25in exhaust mod.
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Posted: Tue Feb 28, 2006 10:13 pm 
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tickford_6 wrote:
markr154 wrote:
Gaz wrote:
either that or are they straight or do they look liek spaghetti?


From CAT towards engine, they branch into 2 pipe stems, with 3 pipes on each stem, all different lengths, but pretty straight.

Does this help?



they are the 4499s, i take it your car is an auto?? you would have been better off with 4480.


...f**k

 

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Posted: Tue Feb 28, 2006 10:16 pm 
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falcon4litreOHC wrote:
markr154 let as know how it goes with the 2.25in exhaust mod.


Will do!

 

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Posted: Wed Mar 01, 2006 7:12 pm 
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are 4499 big pipe's that hit steering arm at full throttle?

cause i not sure what part no. mine r i got them of a mate if fo the seem 2 work good in my 5 spd ea!!!!!!!

 

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Posted: Wed Mar 01, 2006 7:19 pm 
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2 1/4" exhaust... Hmmmmmm... Most of The time the extractors finish or collect at 2 1/2" though...

 

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Posted: Thu Mar 02, 2006 3:25 am 
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on my EF i have Advance headers 2.5" right thru high flo cat suit it purrfectly very nice note quiet when it need's to be but sink in the right foot and it roar's,fitted by my bro inlaw worked at midas and ep performance(still there) and he is a ford fanatic and tested system after system till he found best 1 for E series atm he just brought a BA XR6 and is on his 3rd system in a week

 

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 Post subject: Re: EF ...is my 2.5" exhaust system too big? Opinions p
Posted: Mon Mar 06, 2006 6:53 am 
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tickford_6 wrote:
markr154 wrote:
3. Put Pacies on with Hi-flo CAT (kept previous sports system) - note changed, a bit droney & loud, response seemed more sluggish


what pacies did you have put on? 4499 or 4480??

the 4499 would result in a bit of dowyness right down low, as they are more of a mid range and over item.

the 4480 will give you back you down low


I think I've definitely got 4499's, as they seem to perform really well in the mid-high rev range.

But, if I'm getting an RPD Stage 2 cam (power in 2000 - 5500 rev range) ...then the 4499's would be better suited anyway, is that right?

I'll see what the Performance guys say, and see how my exhaust system fares with the new cam...

 

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Posted: Mon Mar 06, 2006 8:03 am 
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I had the same drone probs with mine but the note changed with the cam change so wait till the cams in before spending too much time on it.
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Posted: Mon Mar 06, 2006 4:40 pm 
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jonbays wrote:
I had the same drone probs with mine but the note changed with the cam change so wait till the cams in before spending too much time on it.


Yeah, that's what I was thinking ...what sort of note change did you get, better or worse?

Thanks mate.

 

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QUARTER MILE PB: currently 14.590 @ 96.00 mph ...BOOST AHEAD!!

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