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| Alan96EF |
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I took the exhaust from the cat back off today to see what i was up against, and to be honest it looks fairly straight forward. The car has a fair bit of room underneath to move (When you remove the spare)
    I will copy the existing alignment from the cats to the first muffler using 2.5" pipe, From there the RHS will go from the muffler into a hotdog at the rear then win tips, The LHS will need to be bent around then finished the same, Hotdog and twin tips. I have also gotten access to a hoist which will make things heaps easier! Thoughts? Cheers Alan
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| the sam |
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Hoist = HALF YOUR JOB DONE!
I wish i had a hoist...
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| low_ryda |
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I agree completely, a hoist takes out most the hard work.
Just had a quick skim back through, I don't think you've mentioned what you're welding it with 
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| the sam |
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Mig?
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| EBXR8380 |
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I made my own as no one wanted to fit twin 3" on an EB..[Turbo engine]
Even made my own muffler as I couldn't buy a single muffler with two 3" in & out each side.. The twin pipes had to crossover to drivers side.. I bought more bends than I needed with some dog bones etc to add any slight angles you don't see.. In my case it's mild steel with s/steel muffler.. The harder material of stainless makes the harder sound compared to mild steel.. The tail pipe size will determine big time the sound & effectiveness of muffler/s... Obviously bigger after muffler's will be louder...
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| Alan96EF |
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I haven't yet really discussed too much about the welding side of things, what would the opinions be of the better type of weld? I will most probably go mig tho as he has the tools to do so.
EBXR8380 - Making your own muffler is pretty cool mate! Could you get much of a range of tips with the 3 inch end? I think 2.5" out the back will do the job for me. I'm currently driving around with only the one muffler on ( so i have no rear muffler and no tips at the back (Naughty i know  ) Bt it sounds so much better already! haha
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| the sam |
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You might find the twin 2.5" tips might be a bit small. Maybe twin 3" tips? I had twin 2.5" tips on mine and they just looked too small for the size of the car. I've now got a single 3.5" tip and i reckon its still a bit small for the car.
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| Alan96EF |
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Yea could be on to something there, I'll have to have a look at whats around. Although i think the ones on it standard are twin 2" and they don't look too undersized.
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| the sam |
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Haha its for the flow i swear...
Thats what stopped me going bigger - WANK FACTOR
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| Alan96EF |
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Haha, Nice one Ash.
I'm not sure if i like the chamfered look on the tips on the previous page i put up, I think flush/straight cut tips would look nice.
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| low_ryda |
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migging makes it alot quicker and easier. tig would be the best quality weld however would well outlast the pipe lol.
my exhausts are all tigged 316 tube & 'mandrel' fittings but only due to easy supply and as i was hinting at before, probably massive overkill for an exhaust hehe..
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| the sam |
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Check this out. Might be interested in it?
http://www.fordmods.com/ford-parts-for-sale-f17/fs-magnaflow-tru-x-x-pipe-t102615.html
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| Alan96EF |
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Overkill but if you got the time and resources then why not? haha
That X pipe is pretty interesting, but it is made up for a 2.25" system where as i'm going 2.5", thanks for that though.
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| the sam |
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The drop in pipe size will have no effect on the flow for your motor. Here is a post i made in another thread about pipe sizes and flow areas:
Twin 2.25 should be fine even for a modified windsor. Thats still a large flow area. 2 x 2.25" exhaust = 350mm2 flow area 3" exhaust = 235mm2 flow area 3.5" exhaust = 275mm2 flow area Dropping to the 2.25" for the x pipe will cause a different flow rate and the venturi effect. X pipes increase flow speed anyway so there is nothing to worry about dropping to the 2.25" for that part of the exhaust. Plus x pipes do give a nice note.
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| Alan96EF |
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the sam wrote: The drop in pipe size will have no effect on the flow for your motor. Here is a post i made in another thread about pipe sizes and flow areas: Twin 2.25 should be fine even for a modified windsor. Thats still a large flow area. 2 x 2.25" exhaust = 350mm2 flow area 3" exhaust = 235mm2 flow area 3.5" exhaust = 275mm2 flow area Dropping to the 2.25" for the x pipe will cause a different flow rate and the venturi effect. X pipes increase flow speed anyway so there is nothing to worry about dropping to the 2.25" for that part of the exhaust. Plus x pipes do give a nice note. Fair point you make sir, as i am no welding expert, how would one join the X to the 2.5" pipe for the rest of the system?
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