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will a FB 12a header work on my rx2? need to know ASAP thread2

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Old Dec 2, 2004 | 01:54 PM
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will a FB 12a header work on my rx2? need to know ASAP thread2

as it says will a FB racing beat header work on my RX2? I would probably have to cut it anyways to add the rest of the new exhaust anyways so the end portion wouldnt matter. jsut clearence issues around the motor. Let me knwo ASAP thansk matt22
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Old Dec 2, 2004 | 01:58 PM
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never mind the guys at racing beat said that the imediate bend on the header are not the same. anybody opinions different from that?
THanks matt22
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Old Dec 2, 2004 | 02:10 PM
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From: jefferson Or
So do you have the header in hand, if so try it, that's what I would be for ever asking any one, it's the way I think, Steve Gambone looking for a cool avatar
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Old Dec 2, 2004 | 02:23 PM
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i dont have it in hand and all the stock exhaust is still on the RX2.
hey one day i still want to come check out your old schoolers.
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Old Dec 2, 2004 | 02:34 PM
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From: jefferson Or
I woud like that
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Old Dec 3, 2004 | 12:11 AM
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I had a set of the road race headers on my last rx2 and they worked except that the steering would hit on hard turns. I do not remember if it was rights or lefts.
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Old Dec 3, 2004 | 06:58 AM
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Im not too sure either but If you install a RX-4 13-B header in a FB, it will not work. But If you use a FB 13-B header to a RX-4 its fine. Its because the pipe for the rear rotor sits a little higher so it hits the frame.

So I were you, just do it. Our own labor is much cheaper than buying a new one. Besides, if there is a little rubbing as Kill No Cone mentioned, tell the muffler guy to apply heat to the header in order to re-align the header pipe.
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Old Dec 3, 2004 | 03:11 PM
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I have modified a Racing Beat street port exhaust for an FB to my Rx-2 (with a 1985 12a and a 79 transmission and stock twin piece driveshaft).

I did not modify the header in any way but it gets pretty close to the bottom of the car at the end of the header.

As you can see in this picture, the smaill triangular heatshield on the steering system is very close to the exhaust on (extreme) right turns and I had to bend it a little to avoid hitting.

I did not want to do irreversible mods to my Rx-2 and I wanted to be able to use the RB exhaust on an FB again later, so I have made the pictured middle section to avoid clearance issues.

For cosmetic reasons, I had to modify the muffler section because the exhaust pipes were too low. I have cut half of the pipe just before the muffler, bent the muffler to the right level and welded it shut again.

Looks nice now and doesn't hit anywhere.
Attached Thumbnails will a FB 12a header work on my rx2? need to know ASAP  thread2-rx-2rb.jpg  
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