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Discussion Starter #1
Where would the optimum spot in exhaust be for the H-pipe ??

Would it be where the reinforcment strap is on the pipes on the right where the 2 sides angle inward together ??
How about on the wider portion, where they're parallel to eachother ?? How about where they're parallel at the narrow portion of the pipes ??

There must be an optimum spot for it, and before I get mine welded in, It would be nice to have some input from you guys.
Thanks !!!


[image]http://pws.chartermi.net/~dastro1965/pipe.jpg[/image]
 

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I've seen many right where the muffler would be, but they've all been "X" pipes.
 

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Everyone I have spoken with (ROE, JonB, and exhaust people) say the closer to the front the better.

When I took my car in to have pipes run the guy insisted on doing an "X" pipe. He said it was a cleaner weld and the "x" pipe was his preference. So that is what I have.
 

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JH23JOB said:
do you have a picture of your X-pipe ??
Sorry, I don't and I am away from my car right now. I can tell you he created the "x" right around the first support(the one closest to the front). It took him 2 attempts, but he did a great job.
 

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Here's mine:

[image]http://members.aol.com/gtsdean/photos/xntips.jpg[/image]

It may not be the optimum spot for performance, but it was the logical place to install with minimum fuss. Sounds great under accel. :nod:
 

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Since you are most likely doing this for the sound effect only I would just put in an X-pipe like Dean has.

If you would like to know where the pipe should be for best performance gains, it would go after the header collectors at a distance of approx. 12-18 inchs. This is not going to happen on a Viper.

H and X-pipes will basicaly do the same thing, but have subtle differences in where in the rpm band they acheive some positive effect.

The H or X-pipe will more than likely have zero performance gains being in the back of the system.



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Discussion Starter #8
Thanks Jerome for the information on the performance end of the H-pipe.

GTSDean,

That Looks AWESOME !!!
X-pipes going in !!!

I just printed that picture of your X-pipe, and I'll bring it into my exhaust man and say, " Do it like this."

Oh by the way............... Nice '71 RoadRunner/GTX tips too $$$$$$$$$$$$$$$$$$$$$$$$$$$$

Thanks
 

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Optimum? It's really getting to be overkill. Just put something in there, you'll never notice any hp diff if there is any at all, and the sound is subjective. The best sounding I heard was an X-pipe but not like Dean's. It was more like the two pipes were bent towards each other, fused together then bent back outward on their normal path. The Viper sounded awesome but it also had headers.

I have an H pipe on a stock exhaust. Sounds great.
 

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JH23JOB said:
Thanks Jerome for the information on the performance end of the H-pipe.

GTSDean,

That Looks AWESOME !!!
X-pipes going in !!!

I just printed that picture of your X-pipe, and I'll bring it into my exhaust man and say, " Do it like this."

Oh by the way............... Nice '71 RoadRunner/GTX tips too $$$$$$$$$$$$$$$$$$$$$$$$$$$$

Thanks
Your welcome. :thumb:

Check this out for what a "good" X-pipe should look like.

http://www.burnsstainless.com/Crossovers/crossovers.html



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