I currently have Berk HFCs and want to replace the OEM Y pipe with the Motordyne XYZ. Since the XYZ exits at 3", I would like to replace the remaining
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07-05-2011, 09:09 PM | #1 (permalink) |
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Motordyne XYZ + which exhaust?
I currently have Berk HFCs and want to replace the OEM Y pipe with the Motordyne XYZ. Since the XYZ exits at 3", I would like to replace the remaining exhaust components to match the increased diameter.
What are my options for the mid pipe and mufflers? Custom? Tony, feel free to suggest options to match up with your XYZ pipe. |
07-06-2011, 08:11 AM | #6 (permalink) |
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ah, they have mid pipe + muffler for 370Z but muffler only for G37.
on a side note, why does their y pipe exit at 74mm but mid pipe enters at 69mm? Last edited by Abdiel; 07-06-2011 at 08:15 AM. |
07-06-2011, 08:51 AM | #7 (permalink) | |
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Quote:
On the XYZ pipe however, I can help you make the modular selection based on what your objectives are. For a brighter sound, go with the XYZ & Straight pipe module. For a softer/warmer sound, go with the XYZ & Resonated module. Its also good for resisting rasp. And since you already have the Berk HFC's, you wont need to bother with the XYZ with HFC module. Another option is to get the XYZ with HFC and hook it up to ART pipes. You could do this if you wanted more power and a significantly deeper and more aggressive sound while still utilizing a HFC in the system. It would also be slightly quieter at the same time. Hook that up to your single 3" exhaust and that would work really well. This way you can have the best possible gains and still have a HFC in your system. Then if you want to take it to the track and make a little extra power, remove the HFC from the XYZ and install the straight pipe for track use. The straight pipe or resonator will make 4 more HP than the HFC. One other detail about the XYZ with HFC. It has a longer life expectancy than other aftermarket metal HFC's that are currently available. Exhaust gas temperature measurements show exhaust gas temperatures are ~1600 deg F' at the inlet of a test pipe. At the outlet of the test pipe the temperature rapidly drops to about 1200' F. As the exhaust gas flows down stream to the Y pipe collector it drops to about 1100' F. So the temperature drops about 500'F at the inlet connecting point of the XYZ HFC. The XYZ HFC is well above its light off temperature so it is fully operational at warm up, but at the same time, the operational temperature is about 500'F lower than seen by a regular HFC. It is this temperature difference that extends the converters life expectancy. We have been selling the XYZ converters for years and not a single one has failed. They work well because they run cooler. |
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07-06-2011, 09:27 AM | #8 (permalink) |
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Tony, thanks for the response.
I'm planning to stick with the Berk HFCs until they need to be replaced. I want to swap out the OEM Y pipe to your XYZ w/ resonator. The issue is there appears to be no existing mid pipe + muffler options that match the 3" XYZ exit diameter. I believe you stated that any gains in using XYZ would be negated if matched to the 2.5" OEM mid pipe. |
07-10-2011, 07:38 PM | #14 (permalink) |
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Tony, is it possible to have the XYZ resonator piece match the oem 2.5" instead of 3" until you release the remaining exhaust components? Or maybe even a separate resonator option in addition to the current 3" resonator?
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