Single Turbo RX-7's Questions about all aspects of single turbo setups.

What did you use for a Downipe?(FC).

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Old Jun 15, 2012 | 10:30 PM
  #1  
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From: Smiths Falls.(near Ottawa!.Mapquest IT!)
What did you use for a Downipe?(FC).

I am Tossing together( it seems like) a T04s on an HKS cast manifold.I got the Racing Beat 3 inch RevII exhaust(pre,y and 2 cans).
Now I go to put a downpipe on an that is where I run into problems.
I got a downpipe to fit the turbo flange,but I am gonna need work to get it to the RB Presilencer.That means cutting a flange and putting on a vband.Currently the Downpipe is too long anyways.(it has a flex at the end and a flange)
The Thing bothering me is the angle that the downpipe is on, to meet up with the presilencer.It looks like it will be flexing the Bellows too much to mate.
What Downpipe is Recommended on this setup?What did YOU use?(or would you use?)...company?..I need it Fast,no waiting.
Thanks Guys!!.Cheers STYX!~
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Old Jun 16, 2012 | 01:17 AM
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Almost all single setups require a custom do to be made. Usually can be accomplished with 2 45* pipes.
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Old Jun 16, 2012 | 07:58 AM
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My car isn't a FC (FB with TII swap), but I used the himni racing downpipe and built the rest of my exhaust off of it.

http://www.himni-racing.com/index.ph...oducts_id=1027

Heres what mine looks like (note I got the 4" downpipe with 3" vbands)



Note: the setup is a T04S on a greddy cast manifold.
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Old Jun 16, 2012 | 02:20 PM
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HIMNI is closed for the weekend and will be back Up on Monday,..( I checked before posting this!)
I heard they are slower than snail poop too.
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Old Jun 16, 2012 | 04:50 PM
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custom with two 45 degree mandrel bends and flex pipe, as shown above
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Old Jun 16, 2012 | 10:20 PM
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and 4 welds at $80 a pop(outrageous price on getting **** done around here) ,plus pipe.plus flex pipe.and then vbands?
has to be a better mousetrap.
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Old Jun 16, 2012 | 11:49 PM
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eBay is your friend for piping. You can get a stainless 3" 304s 45* for like 30$
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Old Jun 17, 2012 | 08:20 AM
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Ordered some 304ss 45 bends from work and 3 sets of vbands :P
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Old Jun 18, 2012 | 10:40 AM
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my himni-RB set up



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Old Jun 18, 2012 | 04:45 PM
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UPDATE: I just got in from farting around with this piping.
I cut the RB flange off,and cut the vband off at the Flexy..(because the flexy part is near the end of the dowpipe.)
I was just able to(by pure luck) to get the RB pipe into the flexy's outer casing.
The exhaust sits about 5 inches from the ground when the car is on wheels.
This may work..for now.
ROB!..Excellent setup..I like that!!
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